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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
389
|
A
|
Fox and Number Game
|
PROGRAMMING
| 1,000
|
[
"greedy",
"math"
] | null | null |
Fox Ciel is playing a game with numbers now.
Ciel has *n* positive integers: *x*1, *x*2, ..., *x**n*. She can do the following operation as many times as needed: select two different indexes *i* and *j* such that *x**i* > *x**j* hold, and then apply assignment *x**i* = *x**i* - *x**j*. The goal is to make the sum of all numbers as small as possible.
Please help Ciel to find this minimal sum.
|
The first line contains an integer *n* (2<=≤<=*n*<=≤<=100). Then the second line contains *n* integers: *x*1, *x*2, ..., *x**n* (1<=≤<=*x**i*<=≤<=100).
|
Output a single integer — the required minimal sum.
|
[
"2\n1 2\n",
"3\n2 4 6\n",
"2\n12 18\n",
"5\n45 12 27 30 18\n"
] |
[
"2\n",
"6\n",
"12\n",
"15\n"
] |
In the first example the optimal way is to do the assignment: *x*<sub class="lower-index">2</sub> = *x*<sub class="lower-index">2</sub> - *x*<sub class="lower-index">1</sub>.
In the second example the optimal sequence of operations is: *x*<sub class="lower-index">3</sub> = *x*<sub class="lower-index">3</sub> - *x*<sub class="lower-index">2</sub>, *x*<sub class="lower-index">2</sub> = *x*<sub class="lower-index">2</sub> - *x*<sub class="lower-index">1</sub>.
| 500
|
[
{
"input": "2\n1 2",
"output": "2"
},
{
"input": "3\n2 4 6",
"output": "6"
},
{
"input": "2\n12 18",
"output": "12"
},
{
"input": "5\n45 12 27 30 18",
"output": "15"
},
{
"input": "2\n1 1",
"output": "2"
},
{
"input": "2\n100 100",
"output": "200"
},
{
"input": "2\n87 58",
"output": "58"
},
{
"input": "39\n52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52 52",
"output": "2028"
},
{
"input": "59\n96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96 96",
"output": "5664"
},
{
"input": "100\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100",
"output": "10000"
},
{
"input": "100\n70 70 77 42 98 84 56 91 35 21 7 70 77 77 56 63 14 84 56 14 77 77 63 70 14 7 28 91 63 49 21 84 98 56 77 98 98 84 98 14 7 56 49 28 91 98 7 56 14 91 14 98 49 28 98 14 98 98 14 70 35 28 63 28 49 63 63 56 91 98 35 42 42 35 63 35 42 14 63 21 77 56 42 77 35 91 56 21 28 84 56 70 70 91 98 70 84 63 21 98",
"output": "700"
},
{
"input": "39\n63 21 21 42 21 63 21 84 42 21 84 63 42 63 84 84 84 42 42 84 21 63 42 63 42 42 63 42 42 63 84 42 21 84 21 63 42 21 42",
"output": "819"
},
{
"input": "59\n70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70",
"output": "4130"
},
{
"input": "87\n44 88 88 88 88 66 88 22 22 88 88 44 88 22 22 22 88 88 88 88 66 22 88 88 88 88 66 66 44 88 44 44 66 22 88 88 22 44 66 44 88 66 66 22 22 22 22 88 22 22 44 66 88 22 22 88 66 66 88 22 66 88 66 88 66 44 88 44 22 44 44 22 44 88 44 44 44 44 22 88 88 88 66 66 88 44 22",
"output": "1914"
},
{
"input": "15\n63 63 63 63 63 63 63 63 63 63 63 63 63 63 63",
"output": "945"
},
{
"input": "39\n63 77 21 14 14 35 21 21 70 42 21 70 28 77 28 77 7 42 63 7 98 49 98 84 35 70 70 91 14 42 98 7 42 7 98 42 56 35 91",
"output": "273"
},
{
"input": "18\n18 18 18 36 36 36 54 72 54 36 72 54 36 36 36 36 18 36",
"output": "324"
},
{
"input": "46\n71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71",
"output": "3266"
},
{
"input": "70\n66 11 66 11 44 11 44 99 55 22 88 11 11 22 55 44 22 77 44 77 77 22 44 55 88 11 99 99 88 22 77 77 66 11 11 66 99 55 55 44 66 44 77 44 44 55 33 55 44 88 77 77 22 66 33 44 11 22 55 44 22 66 77 33 33 44 44 44 22 33",
"output": "770"
},
{
"input": "10\n60 12 96 48 60 24 60 36 60 60",
"output": "120"
},
{
"input": "20\n51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51",
"output": "1020"
},
{
"input": "50\n58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58 58",
"output": "2900"
},
{
"input": "98\n70 60 100 30 70 20 30 50 50 30 90 40 30 40 60 80 60 60 80 50 10 80 20 10 20 10 50 70 30 80 30 50 60 90 90 100 60 30 90 20 30 60 90 80 60 60 10 90 10 50 40 40 80 90 100 40 70 40 30 50 60 50 60 30 40 20 90 60 20 20 20 70 60 70 50 100 90 50 20 40 80 60 10 60 50 40 40 10 50 10 40 10 80 100 100 90 10 90",
"output": "980"
},
{
"input": "100\n82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82 82",
"output": "8200"
},
{
"input": "100\n11 87 77 93 3 54 21 93 9 71 37 23 69 85 74 3 48 99 51 31 56 19 21 96 39 6 4 4 29 69 100 42 1 22 81 53 48 49 81 61 10 7 40 61 7 71 51 59 79 44 50 35 95 80 83 8 98 40 18 94 84 49 52 74 66 69 39 37 100 44 38 62 2 80 46 31 35 53 5 60 21 49 63 55 20 53 80 53 66 34 23 92 77 50 86 63 65 24 12 70",
"output": "100"
},
{
"input": "2\n100 1",
"output": "2"
},
{
"input": "2\n18 30",
"output": "12"
},
{
"input": "2\n3 5",
"output": "2"
},
{
"input": "2\n1 10",
"output": "2"
},
{
"input": "2\n8 5",
"output": "2"
},
{
"input": "5\n2 3 5 8 18",
"output": "5"
},
{
"input": "5\n2 4 1 6 8",
"output": "5"
},
{
"input": "3\n12 10 5",
"output": "3"
},
{
"input": "3\n6 10 15",
"output": "3"
}
] | 1,586,414,255
| 2,147,483,647
|
PyPy 3
|
WRONG_ANSWER
|
TESTS
| 3
| 124
| 0
|
# from sys import stdin,stdout
# input = stdin.readline
from math import *
n=int(input())
ar=list(map(int,input().split()))
mn=[]
# ar.sort()
for i in range(n-1):
mn.append(ar[i+1]-ar[i])
print(n*min(mn))
|
Title: Fox and Number Game
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Fox Ciel is playing a game with numbers now.
Ciel has *n* positive integers: *x*1, *x*2, ..., *x**n*. She can do the following operation as many times as needed: select two different indexes *i* and *j* such that *x**i* > *x**j* hold, and then apply assignment *x**i* = *x**i* - *x**j*. The goal is to make the sum of all numbers as small as possible.
Please help Ciel to find this minimal sum.
Input Specification:
The first line contains an integer *n* (2<=≤<=*n*<=≤<=100). Then the second line contains *n* integers: *x*1, *x*2, ..., *x**n* (1<=≤<=*x**i*<=≤<=100).
Output Specification:
Output a single integer — the required minimal sum.
Demo Input:
['2\n1 2\n', '3\n2 4 6\n', '2\n12 18\n', '5\n45 12 27 30 18\n']
Demo Output:
['2\n', '6\n', '12\n', '15\n']
Note:
In the first example the optimal way is to do the assignment: *x*<sub class="lower-index">2</sub> = *x*<sub class="lower-index">2</sub> - *x*<sub class="lower-index">1</sub>.
In the second example the optimal sequence of operations is: *x*<sub class="lower-index">3</sub> = *x*<sub class="lower-index">3</sub> - *x*<sub class="lower-index">2</sub>, *x*<sub class="lower-index">2</sub> = *x*<sub class="lower-index">2</sub> - *x*<sub class="lower-index">1</sub>.
|
```python
# from sys import stdin,stdout
# input = stdin.readline
from math import *
n=int(input())
ar=list(map(int,input().split()))
mn=[]
# ar.sort()
for i in range(n-1):
mn.append(ar[i+1]-ar[i])
print(n*min(mn))
```
| 0
|
|
879
|
B
|
Table Tennis
|
PROGRAMMING
| 1,200
|
[
"data structures",
"implementation"
] | null | null |
*n* people are standing in a line to play table tennis. At first, the first two players in the line play a game. Then the loser goes to the end of the line, and the winner plays with the next person from the line, and so on. They play until someone wins *k* games in a row. This player becomes the winner.
For each of the participants, you know the power to play table tennis, and for all players these values are different. In a game the player with greater power always wins. Determine who will be the winner.
|
The first line contains two integers: *n* and *k* (2<=≤<=*n*<=≤<=500, 2<=≤<=*k*<=≤<=1012) — the number of people and the number of wins.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=*n*) — powers of the player. It's guaranteed that this line contains a valid permutation, i.e. all *a**i* are distinct.
|
Output a single integer — power of the winner.
|
[
"2 2\n1 2\n",
"4 2\n3 1 2 4\n",
"6 2\n6 5 3 1 2 4\n",
"2 10000000000\n2 1\n"
] |
[
"2 ",
"3 ",
"6 ",
"2\n"
] |
Games in the second sample:
3 plays with 1. 3 wins. 1 goes to the end of the line.
3 plays with 2. 3 wins. He wins twice in a row. He becomes the winner.
| 1,000
|
[
{
"input": "2 2\n1 2",
"output": "2 "
},
{
"input": "4 2\n3 1 2 4",
"output": "3 "
},
{
"input": "6 2\n6 5 3 1 2 4",
"output": "6 "
},
{
"input": "2 10000000000\n2 1",
"output": "2"
},
{
"input": "4 4\n1 3 4 2",
"output": "4 "
},
{
"input": "2 2147483648\n2 1",
"output": "2"
},
{
"input": "3 2\n1 3 2",
"output": "3 "
},
{
"input": "3 3\n1 2 3",
"output": "3 "
},
{
"input": "5 2\n2 1 3 4 5",
"output": "5 "
},
{
"input": "10 2\n7 10 5 8 9 3 4 6 1 2",
"output": "10 "
},
{
"input": "100 2\n62 70 29 14 12 87 94 78 39 92 84 91 61 49 60 33 69 37 19 82 42 8 45 97 81 43 54 67 1 22 77 58 65 17 18 28 25 57 16 90 40 13 4 21 68 35 15 76 73 93 56 95 79 47 74 75 30 71 66 99 41 24 88 83 5 6 31 96 38 80 27 46 51 53 2 86 32 9 20 100 26 36 63 7 52 55 23 3 50 59 48 89 85 44 34 64 10 72 11 98",
"output": "70 "
},
{
"input": "4 10\n2 1 3 4",
"output": "4"
},
{
"input": "10 2\n1 2 3 4 5 6 7 8 9 10",
"output": "10 "
},
{
"input": "10 2\n10 9 8 7 6 5 4 3 2 1",
"output": "10 "
},
{
"input": "4 1000000000000\n3 4 1 2",
"output": "4"
},
{
"input": "100 10\n19 55 91 50 31 23 60 84 38 1 22 51 27 76 28 98 11 44 61 63 15 93 52 3 66 16 53 36 18 62 35 85 78 37 73 64 87 74 46 26 82 69 49 33 83 89 56 67 71 25 39 94 96 17 21 6 47 68 34 42 57 81 13 10 54 2 48 80 20 77 4 5 59 30 90 95 45 75 8 88 24 41 40 14 97 32 7 9 65 70 100 99 72 58 92 29 79 12 86 43",
"output": "91 "
},
{
"input": "100 50\n2 4 82 12 47 63 52 91 87 45 53 1 17 25 64 50 9 13 22 54 21 30 43 24 38 33 68 11 41 78 99 23 28 18 58 67 79 10 71 56 49 61 26 29 59 20 90 74 5 75 89 8 39 95 72 42 66 98 44 32 88 35 92 3 97 55 65 51 77 27 81 76 84 69 73 85 19 46 62 100 60 37 7 36 57 6 14 83 40 48 16 70 96 15 31 93 80 86 94 34",
"output": "100 "
},
{
"input": "2 1000000000000\n1 2",
"output": "2"
},
{
"input": "5 2\n1 4 3 5 2",
"output": "4 "
},
{
"input": "5 2\n1 3 2 4 5",
"output": "3 "
},
{
"input": "4 1000000000000\n3 1 2 4",
"output": "4"
},
{
"input": "4 2\n1 3 2 4",
"output": "3 "
},
{
"input": "10 3\n8 1 9 2 3 10 4 5 6 7",
"output": "9 "
},
{
"input": "5 2\n2 1 4 3 5",
"output": "4 "
},
{
"input": "3 4294967297\n2 1 3",
"output": "3"
},
{
"input": "4 4294967297\n3 2 1 4",
"output": "4"
},
{
"input": "5 4294967298\n3 2 1 4 5",
"output": "5"
},
{
"input": "10 4\n5 4 7 1 2 9 3 6 8 10",
"output": "9 "
},
{
"input": "11 21474836489\n10 1 2 3 4 5 6 7 8 9 11",
"output": "11"
}
] | 1,572,877,595
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 93
| 0
|
n,k = (int(x) for x in list(input().split(" ")))
players = list(map(int,input().split()))
if k > 500:
print(max(players))
else:
win=0
while win < k:
if int(players[0]) > int(players[1]):
players.append(players.pop(1))
win +=1
print(players)
else:
players.append(players.pop(0))
win = 0
print(players[0])
|
Title: Table Tennis
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
*n* people are standing in a line to play table tennis. At first, the first two players in the line play a game. Then the loser goes to the end of the line, and the winner plays with the next person from the line, and so on. They play until someone wins *k* games in a row. This player becomes the winner.
For each of the participants, you know the power to play table tennis, and for all players these values are different. In a game the player with greater power always wins. Determine who will be the winner.
Input Specification:
The first line contains two integers: *n* and *k* (2<=≤<=*n*<=≤<=500, 2<=≤<=*k*<=≤<=1012) — the number of people and the number of wins.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=*n*) — powers of the player. It's guaranteed that this line contains a valid permutation, i.e. all *a**i* are distinct.
Output Specification:
Output a single integer — power of the winner.
Demo Input:
['2 2\n1 2\n', '4 2\n3 1 2 4\n', '6 2\n6 5 3 1 2 4\n', '2 10000000000\n2 1\n']
Demo Output:
['2 ', '3 ', '6 ', '2\n']
Note:
Games in the second sample:
3 plays with 1. 3 wins. 1 goes to the end of the line.
3 plays with 2. 3 wins. He wins twice in a row. He becomes the winner.
|
```python
n,k = (int(x) for x in list(input().split(" ")))
players = list(map(int,input().split()))
if k > 500:
print(max(players))
else:
win=0
while win < k:
if int(players[0]) > int(players[1]):
players.append(players.pop(1))
win +=1
print(players)
else:
players.append(players.pop(0))
win = 0
print(players[0])
```
| 0
|
|
365
|
A
|
Good Number
|
PROGRAMMING
| 1,100
|
[
"implementation"
] | null | null |
Let's call a number *k*-good if it contains all digits not exceeding *k* (0,<=...,<=*k*). You've got a number *k* and an array *a* containing *n* numbers. Find out how many *k*-good numbers are in *a* (count each number every time it occurs in array *a*).
|
The first line contains integers *n* and *k* (1<=≤<=*n*<=≤<=100, 0<=≤<=*k*<=≤<=9). The *i*-th of the following *n* lines contains integer *a**i* without leading zeroes (1<=≤<=*a**i*<=≤<=109).
|
Print a single integer — the number of *k*-good numbers in *a*.
|
[
"10 6\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n",
"2 1\n1\n10\n"
] |
[
"10\n",
"1\n"
] |
none
| 500
|
[
{
"input": "10 6\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560",
"output": "10"
},
{
"input": "2 1\n1\n10",
"output": "1"
},
{
"input": "1 0\n1000000000",
"output": "1"
},
{
"input": "1 1\n1000000000",
"output": "1"
},
{
"input": "6 0\n10\n102\n120\n1032\n1212103\n1999999",
"output": "5"
},
{
"input": "1 3\n1000000000",
"output": "0"
},
{
"input": "1 9\n1000000000",
"output": "0"
},
{
"input": "1 0\n1",
"output": "0"
},
{
"input": "1 1\n1",
"output": "0"
},
{
"input": "1 3\n1",
"output": "0"
},
{
"input": "1 9\n1",
"output": "0"
},
{
"input": "2 8\n123456780\n123",
"output": "1"
},
{
"input": "2 8\n12345678\n1230",
"output": "0"
},
{
"input": "6 1\n10\n102\n120\n1032\n1212103\n1999999",
"output": "5"
},
{
"input": "6 2\n10\n102\n120\n1032\n1212103\n1999999",
"output": "4"
},
{
"input": "6 3\n10\n102\n120\n1032\n1212103\n1999999",
"output": "2"
},
{
"input": "6 9\n10\n102\n120\n1032\n1212103\n1999999",
"output": "0"
},
{
"input": "1 2\n2220",
"output": "0"
}
] | 1,638,334,992
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 0
| 30
| 0
|
n=int(input())
l=list(map(int,input().split()))
n=len(l)
c=0
for i in range(n):
if l[i]==1 :
c+=1
if c>0 :
print("Hard")
else :
print("Easy")
|
Title: Good Number
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Let's call a number *k*-good if it contains all digits not exceeding *k* (0,<=...,<=*k*). You've got a number *k* and an array *a* containing *n* numbers. Find out how many *k*-good numbers are in *a* (count each number every time it occurs in array *a*).
Input Specification:
The first line contains integers *n* and *k* (1<=≤<=*n*<=≤<=100, 0<=≤<=*k*<=≤<=9). The *i*-th of the following *n* lines contains integer *a**i* without leading zeroes (1<=≤<=*a**i*<=≤<=109).
Output Specification:
Print a single integer — the number of *k*-good numbers in *a*.
Demo Input:
['10 6\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n1234560\n', '2 1\n1\n10\n']
Demo Output:
['10\n', '1\n']
Note:
none
|
```python
n=int(input())
l=list(map(int,input().split()))
n=len(l)
c=0
for i in range(n):
if l[i]==1 :
c+=1
if c>0 :
print("Hard")
else :
print("Easy")
```
| -1
|
|
455
|
A
|
Boredom
|
PROGRAMMING
| 1,500
|
[
"dp"
] | null | null |
Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and decided to play it.
Given a sequence *a* consisting of *n* integers. The player can make several steps. In a single step he can choose an element of the sequence (let's denote it *a**k*) and delete it, at that all elements equal to *a**k*<=+<=1 and *a**k*<=-<=1 also must be deleted from the sequence. That step brings *a**k* points to the player.
Alex is a perfectionist, so he decided to get as many points as possible. Help him.
|
The first line contains integer *n* (1<=≤<=*n*<=≤<=105) that shows how many numbers are in Alex's sequence.
The second line contains *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=105).
|
Print a single integer — the maximum number of points that Alex can earn.
|
[
"2\n1 2\n",
"3\n1 2 3\n",
"9\n1 2 1 3 2 2 2 2 3\n"
] |
[
"2\n",
"4\n",
"10\n"
] |
Consider the third test example. At first step we need to choose any element equal to 2. After that step our sequence looks like this [2, 2, 2, 2]. Then we do 4 steps, on each step we choose any element equals to 2. In total we earn 10 points.
| 500
|
[
{
"input": "2\n1 2",
"output": "2"
},
{
"input": "3\n1 2 3",
"output": "4"
},
{
"input": "9\n1 2 1 3 2 2 2 2 3",
"output": "10"
},
{
"input": "5\n3 3 4 5 4",
"output": "11"
},
{
"input": "5\n5 3 5 3 4",
"output": "16"
},
{
"input": "5\n4 2 3 2 5",
"output": "9"
},
{
"input": "10\n10 5 8 9 5 6 8 7 2 8",
"output": "46"
},
{
"input": "10\n1 1 1 1 1 1 2 3 4 4",
"output": "14"
},
{
"input": "100\n6 6 8 9 7 9 6 9 5 7 7 4 5 3 9 1 10 3 4 5 8 9 6 5 6 4 10 9 1 4 1 7 1 4 9 10 8 2 9 9 10 5 8 9 5 6 8 7 2 8 7 6 2 6 10 8 6 2 5 5 3 2 8 8 5 3 6 2 1 4 7 2 7 3 7 4 10 10 7 5 4 7 5 10 7 1 1 10 7 7 7 2 3 4 2 8 4 7 4 4",
"output": "296"
},
{
"input": "100\n6 1 5 7 10 10 2 7 3 7 2 10 7 6 3 5 5 5 3 7 2 4 2 7 7 4 2 8 2 10 4 7 9 1 1 7 9 7 1 10 10 9 5 6 10 1 7 5 8 1 1 5 3 10 2 4 3 5 2 7 4 9 5 10 1 3 7 6 6 9 3 6 6 10 1 10 6 1 10 3 4 1 7 9 2 7 8 9 3 3 2 4 6 6 1 2 9 4 1 2",
"output": "313"
},
{
"input": "100\n7 6 3 8 8 3 10 5 3 8 6 4 6 9 6 7 3 9 10 7 5 5 9 10 7 2 3 8 9 5 4 7 9 3 6 4 9 10 7 6 8 7 6 6 10 3 7 4 5 7 7 5 1 5 4 8 7 3 3 4 7 8 5 9 2 2 3 1 6 4 6 6 6 1 7 10 7 4 5 3 9 2 4 1 5 10 9 3 9 6 8 5 2 1 10 4 8 5 10 9",
"output": "298"
},
{
"input": "100\n2 10 9 1 2 6 7 2 2 8 9 9 9 5 6 2 5 1 1 10 7 4 5 5 8 1 9 4 10 1 9 3 1 8 4 10 8 8 2 4 6 5 1 4 2 2 1 2 8 5 3 9 4 10 10 7 8 6 1 8 2 6 7 1 6 7 3 10 10 3 7 7 6 9 6 8 8 10 4 6 4 3 3 3 2 3 10 6 8 5 5 10 3 7 3 1 1 1 5 5",
"output": "312"
},
{
"input": "100\n4 9 7 10 4 7 2 6 1 9 1 8 7 5 5 7 6 7 9 8 10 5 3 5 7 10 3 2 1 3 8 9 4 10 4 7 6 4 9 6 7 1 9 4 3 5 8 9 2 7 10 5 7 5 3 8 10 3 8 9 3 4 3 10 6 5 1 8 3 2 5 8 4 7 5 3 3 2 6 9 9 8 2 7 6 3 2 2 8 8 4 5 6 9 2 3 2 2 5 2",
"output": "287"
},
{
"input": "100\n4 8 10 1 8 8 8 1 10 3 1 8 6 8 6 1 10 3 3 3 3 7 2 1 1 6 10 1 7 9 8 10 3 8 6 2 1 6 5 6 10 8 9 7 4 3 10 5 3 9 10 5 10 8 8 5 7 8 9 5 3 9 9 2 7 8 1 10 4 9 2 8 10 10 5 8 5 1 7 3 4 5 2 5 9 3 2 5 6 2 3 10 1 5 9 6 10 4 10 8",
"output": "380"
},
{
"input": "100\n4 8 10 1 8 8 8 1 10 3 1 8 6 8 6 1 10 3 3 3 3 7 2 1 1 6 10 1 7 9 8 10 3 8 6 2 1 6 5 6 10 8 9 7 4 3 10 5 3 9 10 5 10 8 8 5 7 8 9 5 3 9 9 2 7 8 1 10 4 9 2 8 10 10 5 8 5 1 7 3 4 5 2 5 9 3 2 5 6 2 3 10 1 5 9 6 10 4 10 8",
"output": "380"
},
{
"input": "100\n10 5 8 4 4 4 1 4 5 8 3 10 2 4 1 10 8 1 1 6 8 4 2 9 1 3 1 7 7 9 3 5 5 8 6 9 9 4 8 1 3 3 2 6 1 5 4 5 3 5 5 6 7 5 7 9 3 5 4 9 2 6 8 1 1 7 7 3 8 9 8 7 3 2 4 1 6 1 3 9 4 2 2 8 5 10 1 8 8 5 1 5 6 9 4 5 6 5 10 2",
"output": "265"
},
{
"input": "100\n7 5 1 8 5 6 6 2 6 2 7 7 3 6 2 4 4 2 10 2 2 2 10 6 6 1 5 10 9 1 5 9 8 9 4 1 10 5 7 5 7 6 4 8 8 1 7 8 3 8 2 1 8 4 10 3 5 6 6 10 9 6 5 1 10 7 6 9 9 2 10 10 9 1 2 1 7 7 4 10 1 10 5 5 3 8 9 8 1 4 10 2 4 5 4 4 1 6 2 9",
"output": "328"
},
{
"input": "100\n5 6 10 7 1 7 10 1 9 1 5 1 4 1 3 3 7 9 1 6 1 6 5 7 1 6 3 1 3 6 3 8 2 4 1 5 2 10 7 3 10 4 10 1 5 4 2 9 7 9 5 7 10 4 1 4 8 9 3 1 3 7 7 4 3 7 7 10 6 9 5 5 6 5 3 9 8 8 5 5 4 10 9 4 10 4 1 8 3 5 4 10 9 3 10 4 10 7 10 9",
"output": "324"
},
{
"input": "10\n7 4 5 3 9 1 10 3 4 5",
"output": "34"
},
{
"input": "10\n8 9 6 5 6 4 10 9 1 4",
"output": "39"
},
{
"input": "10\n1 7 1 4 9 10 8 2 9 9",
"output": "40"
},
{
"input": "1\n100000",
"output": "100000"
}
] | 1,668,758,904
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 47
| 717
| 7,372,800
|
n = int(input())
string = [-5]+sorted(list(map(int,input().split())))+[-10]
b = [0]*(n+2)
c = {}
e = 1
x = 1
while string[x] != -10:
if string[x]==string[x-1]:
e += 1
c[string[x]]=e
string.pop(x)
else:
e = 1
c[string[x]]=e
x += 1
for i in range(1,len(string)-1):
j = i-1
if string[i-1]==string[i]-1:
j = i-2
b[i] = max(b[i-1],b[j]+string[i]*c[string[i]])
print(b[len(string)-2])
|
Title: Boredom
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and decided to play it.
Given a sequence *a* consisting of *n* integers. The player can make several steps. In a single step he can choose an element of the sequence (let's denote it *a**k*) and delete it, at that all elements equal to *a**k*<=+<=1 and *a**k*<=-<=1 also must be deleted from the sequence. That step brings *a**k* points to the player.
Alex is a perfectionist, so he decided to get as many points as possible. Help him.
Input Specification:
The first line contains integer *n* (1<=≤<=*n*<=≤<=105) that shows how many numbers are in Alex's sequence.
The second line contains *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=105).
Output Specification:
Print a single integer — the maximum number of points that Alex can earn.
Demo Input:
['2\n1 2\n', '3\n1 2 3\n', '9\n1 2 1 3 2 2 2 2 3\n']
Demo Output:
['2\n', '4\n', '10\n']
Note:
Consider the third test example. At first step we need to choose any element equal to 2. After that step our sequence looks like this [2, 2, 2, 2]. Then we do 4 steps, on each step we choose any element equals to 2. In total we earn 10 points.
|
```python
n = int(input())
string = [-5]+sorted(list(map(int,input().split())))+[-10]
b = [0]*(n+2)
c = {}
e = 1
x = 1
while string[x] != -10:
if string[x]==string[x-1]:
e += 1
c[string[x]]=e
string.pop(x)
else:
e = 1
c[string[x]]=e
x += 1
for i in range(1,len(string)-1):
j = i-1
if string[i-1]==string[i]-1:
j = i-2
b[i] = max(b[i-1],b[j]+string[i]*c[string[i]])
print(b[len(string)-2])
```
| 3
|
|
761
|
B
|
Dasha and friends
|
PROGRAMMING
| 1,300
|
[
"brute force",
"implementation",
"math"
] | null | null |
Running with barriers on the circle track is very popular in the country where Dasha lives, so no wonder that on her way to classes she saw the following situation:
The track is the circle with length *L*, in distinct points of which there are *n* barriers. Athlete always run the track in counterclockwise direction if you look on him from above. All barriers are located at integer distance from each other along the track.
Her friends the parrot Kefa and the leopard Sasha participated in competitions and each of them ran one lap. Each of the friends started from some integral point on the track. Both friends wrote the distance from their start along the track to each of the *n* barriers. Thus, each of them wrote *n* integers in the ascending order, each of them was between 0 and *L*<=-<=1, inclusively.
There are several tracks in the country, all of them have same length and same number of barriers, but the positions of the barriers can differ among different tracks. Now Dasha is interested if it is possible that Kefa and Sasha ran the same track or they participated on different tracks.
Write the program which will check that Kefa's and Sasha's tracks coincide (it means that one can be obtained from the other by changing the start position). Note that they always run the track in one direction — counterclockwise, if you look on a track from above.
|
The first line contains two integers *n* and *L* (1<=≤<=*n*<=≤<=50, *n*<=≤<=*L*<=≤<=100) — the number of barriers on a track and its length.
The second line contains *n* distinct integers in the ascending order — the distance from Kefa's start to each barrier in the order of its appearance. All integers are in the range from 0 to *L*<=-<=1 inclusively.
The second line contains *n* distinct integers in the ascending order — the distance from Sasha's start to each barrier in the order of its overcoming. All integers are in the range from 0 to *L*<=-<=1 inclusively.
|
Print "YES" (without quotes), if Kefa and Sasha ran the coinciding tracks (it means that the position of all barriers coincides, if they start running from the same points on the track). Otherwise print "NO" (without quotes).
|
[
"3 8\n2 4 6\n1 5 7\n",
"4 9\n2 3 5 8\n0 1 3 6\n",
"2 4\n1 3\n1 2\n"
] |
[
"YES\n",
"YES\n",
"NO\n"
] |
The first test is analyzed in the statement.
| 1,000
|
[
{
"input": "3 8\n2 4 6\n1 5 7",
"output": "YES"
},
{
"input": "4 9\n2 3 5 8\n0 1 3 6",
"output": "YES"
},
{
"input": "2 4\n1 3\n1 2",
"output": "NO"
},
{
"input": "5 9\n0 2 5 6 7\n1 3 6 7 8",
"output": "YES"
},
{
"input": "5 60\n7 26 27 40 59\n14 22 41 42 55",
"output": "YES"
},
{
"input": "20 29\n0 1 2 4 5 8 9 12 14 15 17 19 20 21 22 23 25 26 27 28\n0 2 4 5 6 7 8 10 11 12 13 14 15 16 18 19 22 23 26 28",
"output": "YES"
},
{
"input": "35 41\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 18 19 20 21 22 23 24 25 26 28 30 31 32 33 34 35 36 37 38 39 40\n0 1 2 3 4 5 7 8 9 10 11 12 16 17 18 19 20 21 22 23 24 26 28 29 30 31 32 33 34 35 36 37 38 39 40",
"output": "YES"
},
{
"input": "40 63\n0 2 3 4 5 6 9 10 12 15 17 19 23 25 26 27 28 29 30 31 33 34 36 37 38 39 40 43 45 49 50 52 53 54 55 57 58 60 61 62\n1 2 3 4 5 8 10 14 15 17 18 19 20 22 23 25 26 27 28 30 31 32 33 34 37 38 40 43 46 47 51 53 54 55 56 57 58 59 61 62",
"output": "NO"
},
{
"input": "50 97\n1 2 3 4 6 9 10 11 12 13 14 21 22 23 24 25 28 29 30 31 32 33 34 36 37 40 41 45 53 56 59 64 65 69 70 71 72 73 74 77 81 84 85 86 87 89 91 92 95 96\n0 1 2 3 6 10 13 14 15 16 18 20 21 24 25 27 28 29 30 33 35 36 37 38 39 40 47 48 49 50 51 54 55 56 57 58 59 60 62 63 66 67 71 79 82 85 90 91 95 96",
"output": "NO"
},
{
"input": "50 100\n0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98\n1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99",
"output": "YES"
},
{
"input": "1 2\n0\n0",
"output": "YES"
},
{
"input": "1 2\n0\n1",
"output": "YES"
},
{
"input": "1 2\n1\n0",
"output": "YES"
},
{
"input": "1 2\n1\n1",
"output": "YES"
},
{
"input": "1 1\n0\n0",
"output": "YES"
},
{
"input": "5 12\n2 3 4 8 10\n2 3 4 8 10",
"output": "YES"
},
{
"input": "1 18\n3\n10",
"output": "YES"
},
{
"input": "1 75\n65\n8",
"output": "YES"
},
{
"input": "2 16\n4 13\n2 11",
"output": "YES"
},
{
"input": "2 95\n45 59\n3 84",
"output": "YES"
},
{
"input": "3 53\n29 43 50\n29 43 50",
"output": "YES"
},
{
"input": "3 60\n39 46 51\n43 50 55",
"output": "YES"
},
{
"input": "4 4\n0 1 2 3\n0 1 2 3",
"output": "YES"
},
{
"input": "4 93\n45 48 50 90\n20 68 71 73",
"output": "YES"
},
{
"input": "6 18\n0 3 8 11 15 16\n2 7 10 14 15 17",
"output": "YES"
},
{
"input": "6 87\n0 1 21 31 34 66\n11 12 32 42 45 77",
"output": "YES"
},
{
"input": "7 26\n0 3 9 13 14 19 20\n4 7 13 17 18 23 24",
"output": "YES"
},
{
"input": "7 81\n0 12 19 24 25 35 59\n1 8 13 14 24 48 70",
"output": "YES"
},
{
"input": "8 20\n0 1 2 3 5 6 14 15\n1 2 10 11 16 17 18 19",
"output": "YES"
},
{
"input": "8 94\n0 8 11 27 38 54 57 89\n1 33 38 46 49 65 76 92",
"output": "YES"
},
{
"input": "9 18\n1 3 6 8 11 12 13 16 17\n0 2 5 6 7 10 11 13 15",
"output": "YES"
},
{
"input": "9 90\n10 11 27 33 34 55 63 84 87\n9 12 25 26 42 48 49 70 78",
"output": "YES"
},
{
"input": "10 42\n4 9 10 14 15 16 19 33 36 40\n0 14 17 21 27 32 33 37 38 39",
"output": "YES"
},
{
"input": "10 73\n4 5 15 19 20 25 28 42 57 58\n3 4 9 12 26 41 42 61 62 72",
"output": "YES"
},
{
"input": "11 11\n0 1 2 3 4 5 6 7 8 9 10\n0 1 2 3 4 5 6 7 8 9 10",
"output": "YES"
},
{
"input": "11 57\n1 4 27 30 31 35 37 41 50 52 56\n22 25 26 30 32 36 45 47 51 53 56",
"output": "YES"
},
{
"input": "12 73\n5 9 11 20 25 36 40 41 44 48 56 60\n12 16 18 27 32 43 47 48 51 55 63 67",
"output": "YES"
},
{
"input": "12 95\n1 37 42 46 56 58 59 62 64 71 76 80\n2 18 54 59 63 73 75 76 79 81 88 93",
"output": "YES"
},
{
"input": "13 29\n2 5 6 9 12 17 18 19 20 21 22 24 27\n0 3 6 11 12 13 14 15 16 18 21 25 28",
"output": "YES"
},
{
"input": "13 90\n9 18 23 30 31 36 39 44 58 59 74 82 87\n1 6 18 27 32 39 40 45 48 53 67 68 83",
"output": "YES"
},
{
"input": "14 29\n1 2 3 4 5 7 9 12 13 20 21 22 23 24\n0 3 4 11 12 13 14 15 21 22 23 24 25 27",
"output": "YES"
},
{
"input": "14 94\n7 8 9 21 34 35 36 37 38 43 46 52 84 93\n2 3 4 16 29 30 31 32 33 38 41 47 79 88",
"output": "YES"
},
{
"input": "15 19\n1 2 3 4 5 6 7 8 9 10 11 13 14 16 17\n0 1 2 3 4 5 6 7 8 9 10 12 13 15 16",
"output": "YES"
},
{
"input": "15 27\n2 3 4 5 6 7 8 9 10 11 12 14 17 24 26\n2 3 4 5 6 7 8 9 10 11 12 14 17 24 26",
"output": "YES"
},
{
"input": "16 28\n3 5 6 7 9 10 11 12 13 14 17 19 20 25 26 27\n0 5 6 7 11 13 14 15 17 18 19 20 21 22 25 27",
"output": "YES"
},
{
"input": "16 93\n5 6 10 11 13 14 41 43 46 61 63 70 74 79 83 92\n0 9 15 16 20 21 23 24 51 53 56 71 73 80 84 89",
"output": "YES"
},
{
"input": "17 49\n2 5 11 12 16 18 19 21 22 24 36 37 38 39 40 44 47\n1 7 8 12 14 15 17 18 20 32 33 34 35 36 40 43 47",
"output": "YES"
},
{
"input": "17 86\n16 17 25 33 39 41 50 51 54 56 66 70 72 73 77 80 85\n3 9 11 20 21 24 26 36 40 42 43 47 50 55 72 73 81",
"output": "YES"
},
{
"input": "18 20\n0 1 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19\n0 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19",
"output": "YES"
},
{
"input": "18 82\n0 5 10 13 14 16 21 28 29 30 44 46 61 64 69 71 77 78\n0 5 8 9 11 16 23 24 25 39 41 56 59 64 66 72 73 77",
"output": "YES"
},
{
"input": "19 25\n0 1 2 3 5 7 9 10 12 13 16 17 18 19 20 21 22 23 24\n0 3 4 5 6 7 8 9 10 11 12 13 14 15 17 19 21 22 24",
"output": "YES"
},
{
"input": "19 91\n5 17 18 20 22 25 26 31 32 33 43 47 54 61 62 64 77 80 87\n4 5 6 16 20 27 34 35 37 50 53 60 69 81 82 84 86 89 90",
"output": "YES"
},
{
"input": "20 53\n2 6 8 9 16 17 20 21 22 23 25 26 35 36 38 39 44 46 47 50\n4 5 8 9 10 11 13 14 23 24 26 27 32 34 35 38 43 47 49 50",
"output": "YES"
},
{
"input": "21 44\n0 1 3 4 6 7 8 9 10 11 12 15 17 18 21 22 27 29 34 36 42\n1 7 9 10 12 13 15 16 17 18 19 20 21 24 26 27 30 31 36 38 43",
"output": "YES"
},
{
"input": "21 94\n3 5 6 8 9 15 16 20 28 31 35 39 49 50 53 61 71 82 85 89 90\n6 17 20 24 25 32 34 35 37 38 44 45 49 57 60 64 68 78 79 82 90",
"output": "YES"
},
{
"input": "22 24\n0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23",
"output": "YES"
},
{
"input": "22 85\n3 5 7 14 18 21 25 32 38 41 53 58 61 62 66 70 71 73 75 76 79 83\n3 6 18 23 26 27 31 35 36 38 40 41 44 48 53 55 57 64 68 71 75 82",
"output": "YES"
},
{
"input": "23 38\n0 2 4 5 7 8 12 13 14 16 17 18 21 22 24 27 28 30 31 32 35 36 37\n0 1 2 3 5 7 8 10 11 15 16 17 19 20 21 24 25 27 30 31 33 34 35",
"output": "YES"
},
{
"input": "23 93\n1 3 5 10 19 22 26 27 30 35 39 53 55 60 66 67 75 76 77 80 82 89 90\n9 11 16 22 23 31 32 33 36 38 45 46 50 52 54 59 68 71 75 76 79 84 88",
"output": "YES"
},
{
"input": "24 37\n1 4 5 6 8 11 12 13 15 16 17 19 20 21 23 26 27 28 30 31 33 34 35 36\n0 3 4 5 7 8 10 11 12 13 15 18 19 20 22 25 26 27 29 30 31 33 34 35",
"output": "YES"
},
{
"input": "24 94\n9 10 13 14 16 18 19 22 24 29 32 35 48 55 57 63 64 69 72 77 78 85 90 92\n1 7 8 13 16 21 22 29 34 36 47 48 51 52 54 56 57 60 62 67 70 73 86 93",
"output": "YES"
},
{
"input": "25 45\n0 1 2 4 6 7 8 9 13 14 17 19 21 22 23 25 28 29 30 31 34 36 38 39 42\n1 3 4 5 7 10 11 12 13 16 18 20 21 24 27 28 29 31 33 34 35 36 40 41 44",
"output": "YES"
},
{
"input": "25 72\n1 2 6 8 9 11 15 18 19 20 26 29 31 33 34 40 41 43 45 48 58 60 68 69 71\n0 6 9 11 13 14 20 21 23 25 28 38 40 48 49 51 53 54 58 60 61 63 67 70 71",
"output": "YES"
},
{
"input": "26 47\n0 2 5 7 8 9 10 12 13 14 20 22 23 25 27 29 31 32 33 35 36 37 38 42 44 45\n0 2 4 6 8 9 10 12 13 14 15 19 21 22 24 26 29 31 32 33 34 36 37 38 44 46",
"output": "YES"
},
{
"input": "26 99\n0 1 13 20 21 22 25 26 27 28 32 39 44 47 56 58 60 62 71 81 83 87 89 93 94 98\n6 8 12 14 18 19 23 24 25 37 44 45 46 49 50 51 52 56 63 68 71 80 82 84 86 95",
"output": "YES"
},
{
"input": "27 35\n0 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 19 20 21 23 26 27 29 30 31 32 33\n0 1 2 3 5 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 24 25 26 28 31 32 34",
"output": "YES"
},
{
"input": "27 51\n1 2 4 7 8 11 13 17 20 21 23 24 25 28 29 30 34 35 37 38 40 43 45 46 47 48 50\n0 1 2 4 6 7 9 12 13 16 18 22 25 26 28 29 30 33 34 35 39 40 42 43 45 48 50",
"output": "YES"
},
{
"input": "28 38\n1 4 5 7 8 9 10 11 12 14 15 16 18 19 20 21 22 23 24 25 28 29 30 32 33 35 36 37\n0 1 2 3 4 5 6 9 10 11 13 14 16 17 18 20 23 24 26 27 28 29 30 31 33 34 35 37",
"output": "YES"
},
{
"input": "28 67\n0 1 2 3 6 9 10 15 18 22 24 25 30 35 36 38 39 47 48 49 51 53 55 56 58 62 63 64\n4 7 11 13 14 19 24 25 27 28 36 37 38 40 42 44 45 47 51 52 53 56 57 58 59 62 65 66",
"output": "YES"
},
{
"input": "29 29\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28",
"output": "YES"
},
{
"input": "29 93\n1 2 11 13 18 21 27 28 30 38 41 42 46 54 55 56 60 61 63 64 66 69 71 72 77 81 83 89 90\n2 10 11 12 16 17 19 20 22 25 27 28 33 37 39 45 46 50 51 60 62 67 70 76 77 79 87 90 91",
"output": "YES"
},
{
"input": "30 63\n0 2 3 5 6 7 8 10 13 18 19 21 22 23 26 32 35 37 38 39 40 41 43 44 49 51 53 54 58 61\n0 2 3 5 6 7 8 10 13 18 19 21 22 23 26 32 35 37 38 39 40 41 43 44 49 51 53 54 58 61",
"output": "YES"
},
{
"input": "30 91\n1 2 3 7 8 9 13 16 17 19 27 29 38 45 47 52 53 55 61 62 66 77 78 79 80 81 82 84 88 89\n3 4 5 9 12 13 15 23 25 34 41 43 48 49 51 57 58 62 73 74 75 76 77 78 80 84 85 88 89 90",
"output": "YES"
},
{
"input": "31 39\n0 1 2 3 4 5 6 7 8 10 11 13 14 17 18 20 21 23 24 25 27 28 29 30 31 33 34 35 36 37 38\n0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 21 22 25 26 28 29 31 32 33 35 36 37 38",
"output": "YES"
},
{
"input": "31 95\n9 12 14 15 21 23 26 28 30 36 37 42 47 51 54 56 59 62 64 65 66 70 72 74 75 79 82 85 87 91 93\n0 2 3 7 10 13 15 19 21 32 35 37 38 44 46 49 51 53 59 60 65 70 74 77 79 82 85 87 88 89 93",
"output": "YES"
},
{
"input": "32 61\n0 2 3 5 7 10 13 14 15 18 19 20 21 22 23 24 26 32 33 34 36 38 43 46 47 51 54 55 56 57 58 59\n1 2 4 6 9 12 13 14 17 18 19 20 21 22 23 25 31 32 33 35 37 42 45 46 50 53 54 55 56 57 58 60",
"output": "YES"
},
{
"input": "32 86\n5 7 9 10 13 17 18 19 25 26 28 32 33 37 38 43 45 47 50 53 57 58 60 69 73 74 75 77 80 82 83 85\n7 11 12 13 15 18 20 21 23 29 31 33 34 37 41 42 43 49 50 52 56 57 61 62 67 69 71 74 77 81 82 84",
"output": "YES"
},
{
"input": "33 44\n0 1 2 3 5 9 10 11 12 13 14 15 17 18 20 21 22 23 24 25 26 27 28 30 31 32 35 36 38 39 41 42 43\n0 2 3 4 7 8 10 11 13 14 15 16 17 18 19 21 25 26 27 28 29 30 31 33 34 36 37 38 39 40 41 42 43",
"output": "YES"
},
{
"input": "33 73\n3 6 7 8 9 10 11 13 14 15 17 19 22 23 26 27 28 31 33 34 35 37 42 44 48 52 54 57 62 63 64 67 68\n2 3 4 7 8 16 19 20 21 22 23 24 26 27 28 30 32 35 36 39 40 41 44 46 47 48 50 55 57 61 65 67 70",
"output": "YES"
},
{
"input": "34 52\n1 2 3 4 5 6 8 9 10 12 13 14 15 16 17 19 21 24 26 27 28 29 31 33 35 36 37 39 40 45 46 49 50 51\n0 1 2 3 4 6 7 8 10 11 12 13 14 15 17 19 22 24 25 26 27 29 31 33 34 35 37 38 43 44 47 48 49 51",
"output": "YES"
},
{
"input": "34 68\n0 7 9 10 11 14 15 16 20 21 22 24 26 32 34 35 37 38 40 41 42 43 44 45 47 50 53 55 57 58 59 62 64 65\n0 1 2 3 5 8 11 13 15 16 17 20 22 23 26 33 35 36 37 40 41 42 46 47 48 50 52 58 60 61 63 64 66 67",
"output": "YES"
},
{
"input": "35 90\n4 5 7 8 10 11 12 13 14 22 27 29 31 33 34 38 46 49 52 53 54 55 56 57 60 61 64 69 77 81 83 86 87 88 89\n4 7 10 11 12 13 14 15 18 19 22 27 35 39 41 44 45 46 47 52 53 55 56 58 59 60 61 62 70 75 77 79 81 82 86",
"output": "YES"
},
{
"input": "36 43\n1 2 3 4 6 7 8 9 10 11 14 16 17 18 19 20 21 22 23 24 25 26 27 29 30 31 32 33 34 35 36 37 38 39 40 42\n0 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 21 23 24 25 26 28 29 30 31 32 33 36 38 39 40 41 42",
"output": "YES"
},
{
"input": "36 84\n1 3 6 13 15 16 17 18 19 21 23 26 29 33 38 40 42 45 49 50 53 54 57 58 60 61 64 65 67 70 73 76 78 79 81 83\n0 2 5 8 12 17 19 21 24 28 29 32 33 36 37 39 40 43 44 46 49 52 55 57 58 60 62 64 66 69 76 78 79 80 81 82",
"output": "YES"
},
{
"input": "37 46\n0 1 3 6 7 8 9 10 12 13 14 16 17 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 39 40 41 42 43 44\n0 3 4 5 6 7 9 10 11 13 14 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 33 34 36 37 38 39 40 41 43 44",
"output": "YES"
},
{
"input": "37 97\n0 5 10 11 12 15 16 18 19 25 28 29 34 35 36 37 38 40 46 47 48 49 55 58 60 61 62 64 65 70 76 77 80 82 88 94 96\n1 7 13 15 16 21 26 27 28 31 32 34 35 41 44 45 50 51 52 53 54 56 62 63 64 65 71 74 76 77 78 80 81 86 92 93 96",
"output": "YES"
},
{
"input": "38 58\n1 2 3 4 5 8 9 11 12 13 15 16 17 22 23 24 25 26 27 29 30 31 32 33 34 36 37 40 41 43 46 47 48 52 53 55 56 57\n1 2 3 5 6 7 8 9 12 13 15 16 17 19 20 21 26 27 28 29 30 31 33 34 35 36 37 38 40 41 44 45 47 50 51 52 56 57",
"output": "YES"
},
{
"input": "38 92\n1 2 3 5 6 7 12 14 15 16 17 18 20 22 29 31 33 34 38 41 43 49 54 55 57 58 61 63 66 67 69 73 75 76 82 85 88 90\n1 3 4 10 13 16 18 21 22 23 25 26 27 32 34 35 36 37 38 40 42 49 51 53 54 58 61 63 69 74 75 77 78 81 83 86 87 89",
"output": "YES"
},
{
"input": "39 59\n0 1 2 3 5 6 7 8 9 10 11 12 13 15 16 17 19 24 25 28 29 31 32 33 35 37 38 40 41 42 43 45 46 47 49 50 53 55 56\n0 1 3 4 5 6 8 9 10 12 13 16 18 19 22 23 24 25 27 28 29 30 31 32 33 34 35 37 38 39 41 46 47 50 51 53 54 55 57",
"output": "YES"
},
{
"input": "39 67\n1 3 5 7 8 16 18 20 21 23 24 25 27 28 29 31 32 34 36 38 40 43 44 46 47 48 49 50 52 53 54 55 58 59 61 62 63 64 66\n0 1 2 4 6 8 10 12 13 21 23 25 26 28 29 30 32 33 34 36 37 39 41 43 45 48 49 51 52 53 54 55 57 58 59 60 63 64 66",
"output": "YES"
},
{
"input": "40 63\n0 2 3 4 5 6 9 10 12 15 18 19 23 25 26 27 28 29 30 31 33 34 36 37 38 39 40 43 45 49 50 52 53 54 55 57 58 60 61 62\n1 2 3 4 5 8 10 14 15 17 18 19 20 22 23 25 26 27 28 30 31 32 33 34 37 38 40 43 46 47 51 53 54 55 56 57 58 59 61 62",
"output": "YES"
},
{
"input": "40 96\n5 11 12 13 14 16 17 18 19 24 30 31 32 33 37 42 46 50 53 54 55 58 60 61 64 67 68 69 70 72 75 76 77 81 84 85 89 91 92 93\n2 7 11 15 18 19 20 23 25 26 29 32 33 34 35 37 40 41 42 46 49 50 54 56 57 58 66 72 73 74 75 77 78 79 80 85 91 92 93 94",
"output": "YES"
},
{
"input": "41 67\n0 2 3 5 8 10 11 12 13 14 15 19 20 21 22 26 29 30 31 32 34 35 37 38 40 41 44 45 46 47 49 51 52 53 54 56 57 58 59 63 66\n2 3 4 5 9 12 13 14 15 17 18 20 21 23 24 27 28 29 30 32 34 35 36 37 39 40 41 42 46 49 50 52 53 55 58 60 61 62 63 64 65",
"output": "YES"
},
{
"input": "41 72\n0 3 4 6 7 8 9 12 13 14 16 21 23 24 25 26 27 29 31 32 33 34 35 38 40 41 45 47 49 50 51 52 56 57 58 59 61 62 65 66 69\n0 1 4 5 6 8 13 15 16 17 18 19 21 23 24 25 26 27 30 32 33 37 39 41 42 43 44 48 49 50 51 53 54 57 58 61 64 67 68 70 71",
"output": "YES"
},
{
"input": "42 48\n0 1 2 3 4 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47\n0 1 2 3 4 5 6 8 9 10 11 12 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 37 38 39 40 41 42 43 45 46 47",
"output": "YES"
},
{
"input": "42 81\n0 1 3 6 7 8 11 13 17 18 19 21 22 24 29 30 31 32 34 35 38 44 46 48 49 50 51 52 53 55 59 61 62 63 65 66 67 69 70 72 77 80\n0 1 3 4 6 11 12 13 14 16 17 20 26 28 30 31 32 33 34 35 37 41 43 44 45 47 48 49 51 52 54 59 62 63 64 66 69 70 71 74 76 80",
"output": "YES"
},
{
"input": "43 55\n0 1 2 3 4 5 6 7 8 12 14 15 17 18 19 20 21 22 23 26 27 28 29 31 32 33 35 36 37 38 40 42 43 44 45 46 47 48 49 50 51 53 54\n1 2 4 5 6 7 8 9 10 13 14 15 16 18 19 20 22 23 24 25 27 29 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 48 49 50 54",
"output": "YES"
},
{
"input": "43 81\n2 3 4 5 6 7 9 10 12 13 18 19 20 21 23 26 27 29 30 32 34 38 39 43 46 47 48 50 51 52 54 55 58 62 64 67 69 70 71 72 73 75 80\n0 3 5 6 7 8 9 11 16 19 20 21 22 23 24 26 27 29 30 35 36 37 38 40 43 44 46 47 49 51 55 56 60 63 64 65 67 68 69 71 72 75 79",
"output": "YES"
},
{
"input": "44 54\n0 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 31 33 34 35 36 37 39 40 41 43 44 47 49 50 52 53\n0 1 2 3 4 5 6 7 8 10 12 13 14 15 16 18 19 20 22 23 26 28 29 31 32 33 34 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52",
"output": "YES"
},
{
"input": "44 93\n1 5 6 7 8 10 14 17 19 21 25 26 27 30 33 34 35 36 38 41 45 48 49 51 53 55 57 60 66 67 69 70 73 76 78 79 80 81 82 83 85 87 88 90\n0 2 4 8 9 10 13 16 17 18 19 21 24 28 31 32 34 36 38 40 43 49 50 52 53 56 59 61 62 63 64 65 66 68 70 71 73 77 81 82 83 84 86 90",
"output": "YES"
},
{
"input": "45 47\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 43 44 45 46\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 41 42 43 44 45 46",
"output": "YES"
},
{
"input": "45 71\n0 2 3 7 8 11 12 13 14 15 16 17 20 21 22 23 24 26 28 30 32 37 39 41 42 43 44 45 47 48 50 52 54 55 56 57 58 59 60 61 62 64 66 68 70\n0 1 2 3 4 7 8 9 10 11 13 15 17 19 24 26 28 29 30 31 32 34 35 37 39 41 42 43 44 45 46 47 48 49 51 53 55 57 58 60 61 65 66 69 70",
"output": "YES"
},
{
"input": "46 46\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45",
"output": "YES"
},
{
"input": "46 93\n0 1 2 6 13 16 17 18 19 21 27 29 32 34 37 38 39 40 41 44 45 49 50 52 54 56 57 61 64 65 66 67 69 71 73 75 77 78 79 83 85 87 88 90 91 92\n0 2 4 5 7 8 9 10 11 12 16 23 26 27 28 29 31 37 39 42 44 47 48 49 50 51 54 55 59 60 62 64 66 67 71 74 75 76 77 79 81 83 85 87 88 89",
"output": "YES"
},
{
"input": "47 49\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48\n0 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48",
"output": "YES"
},
{
"input": "47 94\n0 1 3 4 5 7 8 9 14 18 19 26 30 33 34 35 37 40 42 45 46 49 50 51 52 53 55 56 60 61 62 63 64 65 66 69 71 73 75 79 84 86 87 88 90 92 93\n1 2 3 4 6 7 8 10 11 12 17 21 22 29 33 36 37 38 40 43 45 48 49 52 53 54 55 56 58 59 63 64 65 66 67 68 69 72 74 76 78 82 87 89 90 91 93",
"output": "YES"
},
{
"input": "48 65\n0 1 2 4 5 6 7 8 9 10 11 12 15 16 17 20 22 24 25 26 27 28 30 32 33 34 35 37 38 39 44 45 46 47 48 50 51 52 53 54 55 56 57 58 59 61 62 63\n0 1 4 6 8 9 10 11 12 14 16 17 18 19 21 22 23 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 45 46 47 49 50 51 53 54 55 56 57 58 59 60 61 64",
"output": "YES"
},
{
"input": "48 90\n1 3 4 5 8 9 11 13 14 15 16 18 20 21 24 26 29 30 31 33 34 36 37 38 39 40 42 43 44 46 47 48 51 52 55 58 59 61 62 63 65 66 68 78 79 81 82 89\n0 3 4 6 8 9 10 11 13 15 16 19 21 24 25 26 28 29 31 32 33 34 35 37 38 39 41 42 43 46 47 50 53 54 56 57 58 60 61 63 73 74 76 77 84 86 88 89",
"output": "YES"
},
{
"input": "49 60\n0 1 2 5 7 8 9 10 11 12 13 14 15 16 17 19 20 21 23 25 26 27 28 29 30 31 32 33 34 36 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 58 59\n0 1 2 3 4 5 6 7 8 10 11 12 14 16 17 18 19 20 21 22 23 24 25 27 29 30 31 32 33 34 35 37 38 39 40 41 42 43 44 45 46 49 50 51 52 53 56 58 59",
"output": "YES"
},
{
"input": "49 97\n0 1 2 3 6 8 11 14 19 23 26 29 32 34 35 37 39 41 43 44 45 46 51 53 63 64 65 66 67 70 71 72 73 76 77 78 79 81 83 84 86 87 90 91 92 93 94 95 96\n0 3 4 5 6 7 8 9 10 11 12 13 16 18 21 24 29 33 36 39 42 44 45 47 49 51 53 54 55 56 61 63 73 74 75 76 77 80 81 82 83 86 87 88 89 91 93 94 96",
"output": "YES"
},
{
"input": "50 58\n0 1 2 3 5 6 7 8 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 49 50 54 55 56 57\n0 1 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32 36 37 38 39 40 41 42 43 45 46 47 48 50 51 52 53 54 55 56 57",
"output": "YES"
},
{
"input": "50 97\n1 2 3 4 7 9 10 11 12 13 14 21 22 23 24 25 28 29 30 31 32 33 34 36 37 40 41 45 53 56 59 64 65 69 70 71 72 73 74 77 81 84 85 86 87 89 91 92 95 96\n0 1 2 3 6 10 13 14 15 16 18 20 21 24 25 27 28 29 30 33 35 36 37 38 39 40 47 48 49 50 51 54 55 56 57 58 59 60 62 63 66 67 71 79 82 85 90 91 95 96",
"output": "YES"
},
{
"input": "40 96\n5 11 12 13 14 16 17 18 19 24 30 31 32 33 37 42 46 50 53 54 55 58 60 61 64 67 68 69 70 72 75 76 77 81 84 85 88 91 92 93\n2 7 11 15 18 19 20 23 25 26 29 32 33 34 35 37 40 41 42 46 49 50 54 56 57 58 66 72 73 74 75 77 78 79 80 85 91 92 93 94",
"output": "NO"
},
{
"input": "41 67\n0 2 3 5 8 10 11 12 13 14 15 19 20 21 22 25 29 30 31 32 34 35 37 38 40 41 44 45 46 47 49 51 52 53 54 56 57 58 59 63 66\n2 3 4 5 9 12 13 14 15 17 18 20 21 23 24 27 28 29 30 32 34 35 36 37 39 40 41 42 46 49 50 52 53 55 58 60 61 62 63 64 65",
"output": "NO"
},
{
"input": "41 72\n0 3 4 6 7 8 9 12 13 14 16 21 23 24 25 26 27 28 31 32 33 34 35 38 40 41 45 47 49 50 51 52 56 57 58 59 61 62 65 66 69\n0 1 4 5 6 8 13 15 16 17 18 19 21 23 24 25 26 27 30 32 33 37 39 41 42 43 44 48 49 50 51 53 54 57 58 61 64 67 68 70 71",
"output": "NO"
},
{
"input": "42 48\n0 1 2 3 4 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 27 28 29 30 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47\n0 1 2 3 4 5 6 8 9 10 11 12 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 37 38 39 40 41 42 43 45 46 47",
"output": "NO"
},
{
"input": "42 81\n0 1 3 6 7 8 11 13 17 18 19 20 22 24 29 30 31 32 34 35 38 44 46 48 49 50 51 52 53 55 59 61 62 63 65 66 67 69 70 72 77 80\n0 1 3 4 6 11 12 13 14 16 17 20 26 28 30 31 32 33 34 35 37 41 43 44 45 47 48 49 51 52 54 59 62 63 64 66 69 70 71 74 76 80",
"output": "NO"
},
{
"input": "43 55\n0 1 2 3 4 5 6 7 8 12 14 15 17 18 19 20 21 22 23 26 27 28 29 31 32 33 34 36 37 38 40 42 43 44 45 46 47 48 49 50 51 53 54\n1 2 4 5 6 7 8 9 10 13 14 15 16 18 19 20 22 23 24 25 27 29 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 48 49 50 54",
"output": "NO"
},
{
"input": "43 81\n2 3 4 5 6 7 9 10 12 13 17 19 20 21 23 26 27 29 30 32 34 38 39 43 46 47 48 50 51 52 54 55 58 62 64 67 69 70 71 72 73 75 80\n0 3 5 6 7 8 9 11 16 19 20 21 22 23 24 26 27 29 30 35 36 37 38 40 43 44 46 47 49 51 55 56 60 63 64 65 67 68 69 71 72 75 79",
"output": "NO"
},
{
"input": "44 54\n0 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 31 33 34 35 36 37 38 40 41 43 44 47 49 50 52 53\n0 1 2 3 4 5 6 7 8 10 12 13 14 15 16 18 19 20 22 23 26 28 29 31 32 33 34 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52",
"output": "NO"
},
{
"input": "44 93\n1 5 6 7 8 10 14 17 19 21 25 26 27 30 33 34 35 36 38 41 45 48 49 51 53 55 57 60 66 67 69 70 73 76 78 79 80 81 82 83 84 87 88 90\n0 2 4 8 9 10 13 16 17 18 19 21 24 28 31 32 34 36 38 40 43 49 50 52 53 56 59 61 62 63 64 65 66 68 70 71 73 77 81 82 83 84 86 90",
"output": "NO"
},
{
"input": "45 47\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 44 45 46\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 41 42 43 44 45 46",
"output": "YES"
},
{
"input": "45 71\n0 2 3 7 8 11 12 13 14 15 16 17 20 21 22 23 24 26 28 30 32 37 39 40 42 43 44 45 47 48 50 52 54 55 56 57 58 59 60 61 62 64 66 68 70\n0 1 2 3 4 7 8 9 10 11 13 15 17 19 24 26 28 29 30 31 32 34 35 37 39 41 42 43 44 45 46 47 48 49 51 53 55 57 58 60 61 65 66 69 70",
"output": "NO"
},
{
"input": "46 46\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45",
"output": "YES"
},
{
"input": "46 93\n0 1 2 6 13 16 17 18 19 21 27 29 32 34 37 38 39 40 41 44 45 49 50 52 54 56 57 61 64 65 66 67 69 71 73 75 77 78 79 83 85 86 88 90 91 92\n0 2 4 5 7 8 9 10 11 12 16 23 26 27 28 29 31 37 39 42 44 47 48 49 50 51 54 55 59 60 62 64 66 67 71 74 75 76 77 79 81 83 85 87 88 89",
"output": "NO"
},
{
"input": "47 49\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48\n0 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48",
"output": "YES"
},
{
"input": "47 94\n0 1 3 4 5 7 8 9 14 18 19 26 30 33 34 35 37 40 42 44 46 49 50 51 52 53 55 56 60 61 62 63 64 65 66 69 71 73 75 79 84 86 87 88 90 92 93\n1 2 3 4 6 7 8 10 11 12 17 21 22 29 33 36 37 38 40 43 45 48 49 52 53 54 55 56 58 59 63 64 65 66 67 68 69 72 74 76 78 82 87 89 90 91 93",
"output": "NO"
},
{
"input": "48 65\n0 1 2 4 5 6 7 8 9 10 11 12 15 16 17 20 21 24 25 26 27 28 30 32 33 34 35 37 38 39 44 45 46 47 48 50 51 52 53 54 55 56 57 58 59 61 62 63\n0 1 4 6 8 9 10 11 12 14 16 17 18 19 21 22 23 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 45 46 47 49 50 51 53 54 55 56 57 58 59 60 61 64",
"output": "NO"
},
{
"input": "48 90\n1 3 4 5 8 9 11 13 14 15 16 17 20 21 24 26 29 30 31 33 34 36 37 38 39 40 42 43 44 46 47 48 51 52 55 58 59 61 62 63 65 66 68 78 79 81 82 89\n0 3 4 6 8 9 10 11 13 15 16 19 21 24 25 26 28 29 31 32 33 34 35 37 38 39 41 42 43 46 47 50 53 54 56 57 58 60 61 63 73 74 76 77 84 86 88 89",
"output": "NO"
},
{
"input": "49 60\n0 1 2 5 7 8 9 10 11 12 13 14 15 16 17 18 20 21 23 25 26 27 28 29 30 31 32 33 34 36 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 58 59\n0 1 2 3 4 5 6 7 8 10 11 12 14 16 17 18 19 20 21 22 23 24 25 27 29 30 31 32 33 34 35 37 38 39 40 41 42 43 44 45 46 49 50 51 52 53 56 58 59",
"output": "NO"
},
{
"input": "49 97\n0 1 2 3 5 8 11 14 19 23 26 29 32 34 35 37 39 41 43 44 45 46 51 53 63 64 65 66 67 70 71 72 73 76 77 78 79 81 83 84 86 87 90 91 92 93 94 95 96\n0 3 4 5 6 7 8 9 10 11 12 13 16 18 21 24 29 33 36 39 42 44 45 47 49 51 53 54 55 56 61 63 73 74 75 76 77 80 81 82 83 86 87 88 89 91 93 94 96",
"output": "NO"
},
{
"input": "50 58\n0 1 2 3 5 6 7 8 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 50 54 55 56 57\n0 1 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32 36 37 38 39 40 41 42 43 45 46 47 48 50 51 52 53 54 55 56 57",
"output": "NO"
},
{
"input": "5 10\n0 1 3 5 7\n0 1 2 4 7",
"output": "NO"
},
{
"input": "5 8\n0 2 4 6 7\n0 2 3 5 7",
"output": "NO"
}
] | 1,604,102,220
| 840
|
PyPy 3
|
OK
|
TESTS
| 134
| 156
| 0
|
n, l = [int(x) for x in input().split(' ')]
k = [int(x) for x in input().split(' ')]
s = [int(x) for x in input().split(' ')]
kd = [(k[i%n] - k[i-1])%l for i in range(1, n+1)]
sd = [(s[i%n] - s[i-1])%l for i in range(1, n+1)]
ans = False
for i in range(n):
if kd == sd[i:] + sd[:i]:
ans = True
break
if ans:
print('YES')
else:
print('NO')
|
Title: Dasha and friends
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Running with barriers on the circle track is very popular in the country where Dasha lives, so no wonder that on her way to classes she saw the following situation:
The track is the circle with length *L*, in distinct points of which there are *n* barriers. Athlete always run the track in counterclockwise direction if you look on him from above. All barriers are located at integer distance from each other along the track.
Her friends the parrot Kefa and the leopard Sasha participated in competitions and each of them ran one lap. Each of the friends started from some integral point on the track. Both friends wrote the distance from their start along the track to each of the *n* barriers. Thus, each of them wrote *n* integers in the ascending order, each of them was between 0 and *L*<=-<=1, inclusively.
There are several tracks in the country, all of them have same length and same number of barriers, but the positions of the barriers can differ among different tracks. Now Dasha is interested if it is possible that Kefa and Sasha ran the same track or they participated on different tracks.
Write the program which will check that Kefa's and Sasha's tracks coincide (it means that one can be obtained from the other by changing the start position). Note that they always run the track in one direction — counterclockwise, if you look on a track from above.
Input Specification:
The first line contains two integers *n* and *L* (1<=≤<=*n*<=≤<=50, *n*<=≤<=*L*<=≤<=100) — the number of barriers on a track and its length.
The second line contains *n* distinct integers in the ascending order — the distance from Kefa's start to each barrier in the order of its appearance. All integers are in the range from 0 to *L*<=-<=1 inclusively.
The second line contains *n* distinct integers in the ascending order — the distance from Sasha's start to each barrier in the order of its overcoming. All integers are in the range from 0 to *L*<=-<=1 inclusively.
Output Specification:
Print "YES" (without quotes), if Kefa and Sasha ran the coinciding tracks (it means that the position of all barriers coincides, if they start running from the same points on the track). Otherwise print "NO" (without quotes).
Demo Input:
['3 8\n2 4 6\n1 5 7\n', '4 9\n2 3 5 8\n0 1 3 6\n', '2 4\n1 3\n1 2\n']
Demo Output:
['YES\n', 'YES\n', 'NO\n']
Note:
The first test is analyzed in the statement.
|
```python
n, l = [int(x) for x in input().split(' ')]
k = [int(x) for x in input().split(' ')]
s = [int(x) for x in input().split(' ')]
kd = [(k[i%n] - k[i-1])%l for i in range(1, n+1)]
sd = [(s[i%n] - s[i-1])%l for i in range(1, n+1)]
ans = False
for i in range(n):
if kd == sd[i:] + sd[:i]:
ans = True
break
if ans:
print('YES')
else:
print('NO')
```
| 3
|
|
258
|
A
|
Little Elephant and Bits
|
PROGRAMMING
| 1,100
|
[
"greedy",
"math"
] | null | null |
The Little Elephant has an integer *a*, written in the binary notation. He wants to write this number on a piece of paper.
To make sure that the number *a* fits on the piece of paper, the Little Elephant ought to delete exactly one any digit from number *a* in the binary record. At that a new number appears. It consists of the remaining binary digits, written in the corresponding order (possible, with leading zeroes).
The Little Elephant wants the number he is going to write on the paper to be as large as possible. Help him find the maximum number that he can obtain after deleting exactly one binary digit and print it in the binary notation.
|
The single line contains integer *a*, written in the binary notation without leading zeroes. This number contains more than 1 and at most 105 digits.
|
In the single line print the number that is written without leading zeroes in the binary notation — the answer to the problem.
|
[
"101\n",
"110010\n"
] |
[
"11\n",
"11010\n"
] |
In the first sample the best strategy is to delete the second digit. That results in number 11<sub class="lower-index">2</sub> = 3<sub class="lower-index">10</sub>.
In the second sample the best strategy is to delete the third or fourth digits — that results in number 11010<sub class="lower-index">2</sub> = 26<sub class="lower-index">10</sub>.
| 500
|
[
{
"input": "101",
"output": "11"
},
{
"input": "110010",
"output": "11010"
},
{
"input": "10000",
"output": "1000"
},
{
"input": "1111111110",
"output": "111111111"
},
{
"input": "10100101011110101",
"output": "1100101011110101"
},
{
"input": "111010010111",
"output": "11110010111"
},
{
"input": "11110111011100000000",
"output": "1111111011100000000"
},
{
"input": "11110010010100001110110101110011110110100111101",
"output": "1111010010100001110110101110011110110100111101"
},
{
"input": "1001011111010010100111111",
"output": "101011111010010100111111"
},
{
"input": "1111111111",
"output": "111111111"
},
{
"input": "1111111111111111111100111101001110110111111000001111110101001101001110011000001011001111111000110101",
"output": "111111111111111111110111101001110110111111000001111110101001101001110011000001011001111111000110101"
},
{
"input": "11010110000100100101111110111001001010011000011011000010010100111010101000111010011101101111110001111000101000001100011101110100",
"output": "1110110000100100101111110111001001010011000011011000010010100111010101000111010011101101111110001111000101000001100011101110100"
},
{
"input": "11111111111111111111111110110111001101100111010010101101101001011100011011000111010011110010101100010001011101011010010100001000011100001101101001100010100001001010010100100001111110100110011000101100001111111011010111001011111110111101000100101001001011",
"output": "1111111111111111111111111110111001101100111010010101101101001011100011011000111010011110010101100010001011101011010010100001000011100001101101001100010100001001010010100100001111110100110011000101100001111111011010111001011111110111101000100101001001011"
},
{
"input": "11100010010010000110101101101100111111001010001101101001001111010110010111001011010000001100110101000101111000001111101111110010000010101110011110101101010110001100011101111011100010011101100111110010111111100110101000000111101000000000110100100101111101000110101010101101001110001110000101011010101100011100100111100010001011010010001100011111110010011010011000111000100111100010110100011010010101011011011111110100001110000011011",
"output": "1110010010010000110101101101100111111001010001101101001001111010110010111001011010000001100110101000101111000001111101111110010000010101110011110101101010110001100011101111011100010011101100111110010111111100110101000000111101000000000110100100101111101000110101010101101001110001110000101011010101100011100100111100010001011010010001100011111110010011010011000111000100111100010110100011010010101011011011111110100001110000011011"
},
{
"input": "11",
"output": "1"
},
{
"input": "111",
"output": "11"
},
{
"input": "111111",
"output": "11111"
},
{
"input": "11111",
"output": "1111"
},
{
"input": "1111",
"output": "111"
}
] | 1,586,362,535
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 37
| 248
| 409,600
|
s=input()
ans=0
idx=0
for i in range(len(s)):
if s[i]=='0':
idx=i
break
ans=s[0:idx]+s[idx+1:len(s)]
print(ans)
|
Title: Little Elephant and Bits
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
The Little Elephant has an integer *a*, written in the binary notation. He wants to write this number on a piece of paper.
To make sure that the number *a* fits on the piece of paper, the Little Elephant ought to delete exactly one any digit from number *a* in the binary record. At that a new number appears. It consists of the remaining binary digits, written in the corresponding order (possible, with leading zeroes).
The Little Elephant wants the number he is going to write on the paper to be as large as possible. Help him find the maximum number that he can obtain after deleting exactly one binary digit and print it in the binary notation.
Input Specification:
The single line contains integer *a*, written in the binary notation without leading zeroes. This number contains more than 1 and at most 105 digits.
Output Specification:
In the single line print the number that is written without leading zeroes in the binary notation — the answer to the problem.
Demo Input:
['101\n', '110010\n']
Demo Output:
['11\n', '11010\n']
Note:
In the first sample the best strategy is to delete the second digit. That results in number 11<sub class="lower-index">2</sub> = 3<sub class="lower-index">10</sub>.
In the second sample the best strategy is to delete the third or fourth digits — that results in number 11010<sub class="lower-index">2</sub> = 26<sub class="lower-index">10</sub>.
|
```python
s=input()
ans=0
idx=0
for i in range(len(s)):
if s[i]=='0':
idx=i
break
ans=s[0:idx]+s[idx+1:len(s)]
print(ans)
```
| 3
|
|
248
|
A
|
Cupboards
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
One foggy Stockholm morning, Karlsson decided to snack on some jam in his friend Lillebror Svantenson's house. Fortunately for Karlsson, there wasn't anybody in his friend's house. Karlsson was not going to be hungry any longer, so he decided to get some food in the house.
Karlsson's gaze immediately fell on *n* wooden cupboards, standing in the kitchen. He immediately realized that these cupboards have hidden jam stocks. Karlsson began to fly greedily around the kitchen, opening and closing the cupboards' doors, grab and empty all the jars of jam that he could find.
And now all jars of jam are empty, Karlsson has had enough and does not want to leave traces of his stay, so as not to let down his friend. Each of the cupboards has two doors: the left one and the right one. Karlsson remembers that when he rushed to the kitchen, all the cupboards' left doors were in the same position (open or closed), similarly, all the cupboards' right doors were in the same position (open or closed). Karlsson wants the doors to meet this condition as well by the time the family returns. Karlsson does not remember the position of all the left doors, also, he cannot remember the position of all the right doors. Therefore, it does not matter to him in what position will be all left or right doors. It is important to leave all the left doors in the same position, and all the right doors in the same position. For example, all the left doors may be closed, and all the right ones may be open.
Karlsson needs one second to open or close a door of a cupboard. He understands that he has very little time before the family returns, so he wants to know the minimum number of seconds *t*, in which he is able to bring all the cupboard doors in the required position.
Your task is to write a program that will determine the required number of seconds *t*.
|
The first input line contains a single integer *n* — the number of cupboards in the kitchen (2<=≤<=*n*<=≤<=104). Then follow *n* lines, each containing two integers *l**i* and *r**i* (0<=≤<=*l**i*,<=*r**i*<=≤<=1). Number *l**i* equals one, if the left door of the *i*-th cupboard is opened, otherwise number *l**i* equals zero. Similarly, number *r**i* equals one, if the right door of the *i*-th cupboard is opened, otherwise number *r**i* equals zero.
The numbers in the lines are separated by single spaces.
|
In the only output line print a single integer *t* — the minimum number of seconds Karlsson needs to change the doors of all cupboards to the position he needs.
|
[
"5\n0 1\n1 0\n0 1\n1 1\n0 1\n"
] |
[
"3\n"
] |
none
| 500
|
[
{
"input": "5\n0 1\n1 0\n0 1\n1 1\n0 1",
"output": "3"
},
{
"input": "2\n0 0\n0 0",
"output": "0"
},
{
"input": "3\n0 1\n1 1\n1 1",
"output": "1"
},
{
"input": "8\n0 1\n1 0\n0 1\n1 1\n0 1\n1 0\n0 1\n1 0",
"output": "7"
},
{
"input": "8\n1 0\n1 0\n1 0\n0 1\n0 1\n1 1\n1 1\n0 1",
"output": "6"
},
{
"input": "15\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0",
"output": "0"
},
{
"input": "5\n1 0\n1 0\n1 0\n0 1\n0 1",
"output": "4"
}
] | 1,613,021,750
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 57
| 184
| 204,800
|
n=int(input())
l1=[]
l2=[n]
for i in range(n):
a,b=map(int,input().split(" "))
l1.append(a)
l2.append(b)
print(min(l1.count(0),l1.count(1))+min(l2.count(0),l2.count(1)))
|
Title: Cupboards
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
One foggy Stockholm morning, Karlsson decided to snack on some jam in his friend Lillebror Svantenson's house. Fortunately for Karlsson, there wasn't anybody in his friend's house. Karlsson was not going to be hungry any longer, so he decided to get some food in the house.
Karlsson's gaze immediately fell on *n* wooden cupboards, standing in the kitchen. He immediately realized that these cupboards have hidden jam stocks. Karlsson began to fly greedily around the kitchen, opening and closing the cupboards' doors, grab and empty all the jars of jam that he could find.
And now all jars of jam are empty, Karlsson has had enough and does not want to leave traces of his stay, so as not to let down his friend. Each of the cupboards has two doors: the left one and the right one. Karlsson remembers that when he rushed to the kitchen, all the cupboards' left doors were in the same position (open or closed), similarly, all the cupboards' right doors were in the same position (open or closed). Karlsson wants the doors to meet this condition as well by the time the family returns. Karlsson does not remember the position of all the left doors, also, he cannot remember the position of all the right doors. Therefore, it does not matter to him in what position will be all left or right doors. It is important to leave all the left doors in the same position, and all the right doors in the same position. For example, all the left doors may be closed, and all the right ones may be open.
Karlsson needs one second to open or close a door of a cupboard. He understands that he has very little time before the family returns, so he wants to know the minimum number of seconds *t*, in which he is able to bring all the cupboard doors in the required position.
Your task is to write a program that will determine the required number of seconds *t*.
Input Specification:
The first input line contains a single integer *n* — the number of cupboards in the kitchen (2<=≤<=*n*<=≤<=104). Then follow *n* lines, each containing two integers *l**i* and *r**i* (0<=≤<=*l**i*,<=*r**i*<=≤<=1). Number *l**i* equals one, if the left door of the *i*-th cupboard is opened, otherwise number *l**i* equals zero. Similarly, number *r**i* equals one, if the right door of the *i*-th cupboard is opened, otherwise number *r**i* equals zero.
The numbers in the lines are separated by single spaces.
Output Specification:
In the only output line print a single integer *t* — the minimum number of seconds Karlsson needs to change the doors of all cupboards to the position he needs.
Demo Input:
['5\n0 1\n1 0\n0 1\n1 1\n0 1\n']
Demo Output:
['3\n']
Note:
none
|
```python
n=int(input())
l1=[]
l2=[n]
for i in range(n):
a,b=map(int,input().split(" "))
l1.append(a)
l2.append(b)
print(min(l1.count(0),l1.count(1))+min(l2.count(0),l2.count(1)))
```
| 3
|
|
709
|
A
|
Juicer
|
PROGRAMMING
| 900
|
[
"implementation"
] | null | null |
Kolya is going to make fresh orange juice. He has *n* oranges of sizes *a*1,<=*a*2,<=...,<=*a**n*. Kolya will put them in the juicer in the fixed order, starting with orange of size *a*1, then orange of size *a*2 and so on. To be put in the juicer the orange must have size not exceeding *b*, so if Kolya sees an orange that is strictly greater he throws it away and continues with the next one.
The juicer has a special section to collect waste. It overflows if Kolya squeezes oranges of the total size strictly greater than *d*. When it happens Kolya empties the waste section (even if there are no more oranges) and continues to squeeze the juice. How many times will he have to empty the waste section?
|
The first line of the input contains three integers *n*, *b* and *d* (1<=≤<=*n*<=≤<=100<=000, 1<=≤<=*b*<=≤<=*d*<=≤<=1<=000<=000) — the number of oranges, the maximum size of the orange that fits in the juicer and the value *d*, which determines the condition when the waste section should be emptied.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=1<=000<=000) — sizes of the oranges listed in the order Kolya is going to try to put them in the juicer.
|
Print one integer — the number of times Kolya will have to empty the waste section.
|
[
"2 7 10\n5 6\n",
"1 5 10\n7\n",
"3 10 10\n5 7 7\n",
"1 1 1\n1\n"
] |
[
"1\n",
"0\n",
"1\n",
"0\n"
] |
In the first sample, Kolya will squeeze the juice from two oranges and empty the waste section afterwards.
In the second sample, the orange won't fit in the juicer so Kolya will have no juice at all.
| 500
|
[
{
"input": "2 7 10\n5 6",
"output": "1"
},
{
"input": "1 5 10\n7",
"output": "0"
},
{
"input": "3 10 10\n5 7 7",
"output": "1"
},
{
"input": "1 1 1\n1",
"output": "0"
},
{
"input": "2 951637 951638\n44069 951637",
"output": "1"
},
{
"input": "50 100 129\n55 130 91 19 116 3 63 52 104 76 75 27 151 99 149 147 39 148 84 9 132 49 40 112 124 141 144 93 36 32 146 74 48 38 150 55 94 32 107 69 77 81 33 57 62 98 78 127 154 126",
"output": "12"
},
{
"input": "100 1000 1083\n992 616 818 359 609 783 263 989 501 929 362 394 919 1081 870 830 1097 975 62 346 531 367 323 457 707 360 949 334 867 116 478 417 961 963 1029 114 867 1008 988 916 983 1077 959 942 572 961 579 318 721 337 488 717 111 70 416 685 987 130 353 107 61 191 827 849 106 815 211 953 111 398 889 860 801 71 375 320 395 1059 116 222 931 444 582 74 677 655 88 173 686 491 661 186 114 832 615 814 791 464 517 850",
"output": "36"
},
{
"input": "2 6 8\n2 1",
"output": "0"
},
{
"input": "5 15 16\n7 11 5 12 8",
"output": "2"
},
{
"input": "15 759966 759967\n890397 182209 878577 548548 759966 812923 759966 860479 200595 381358 299175 339368 759966 907668 69574",
"output": "4"
},
{
"input": "5 234613 716125\n642626 494941 234613 234613 234613",
"output": "0"
},
{
"input": "50 48547 567054\n529808 597004 242355 559114 78865 537318 631455 733020 655072 645093 309010 855034 306058 625046 524574 834944 27330 664392 443637 821584 338013 490702 289520 675471 885846 258814 134220 571301 84875 94132 200425 928833 375166 521232 317961 175315 947093 89971 322071 174033 48547 998535 954205 704114 943163 438900 48547 538422 48547 48547",
"output": "0"
},
{
"input": "5 10 20\n10 10 10 10 1",
"output": "1"
},
{
"input": "5 10 11\n10 10 10 10 1",
"output": "2"
},
{
"input": "3 10 10\n4 3 3",
"output": "0"
},
{
"input": "3 5 5\n5 5 5",
"output": "1"
},
{
"input": "3 4 14\n5 5 5",
"output": "0"
},
{
"input": "2 7 10\n1234 1234",
"output": "0"
},
{
"input": "1 5 6\n10",
"output": "0"
},
{
"input": "3 4 6\n1 2 3",
"output": "0"
},
{
"input": "5 10 12\n13 13 13 13 13",
"output": "0"
},
{
"input": "3 4 5\n5 7 9",
"output": "0"
},
{
"input": "3 10 100\n5 5 5",
"output": "0"
},
{
"input": "5 1 2\n2 2 2 2 2",
"output": "0"
},
{
"input": "5 5 5\n5 5 5 5 5",
"output": "2"
},
{
"input": "2 2 5\n5 5",
"output": "0"
},
{
"input": "3 1 4\n2 2 2",
"output": "0"
}
] | 1,633,783,125
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 58
| 108
| 14,438,400
|
#!/usr/bin/env python3
def solve():
waste = 0
empty = 0
for orange in eins:
if orange <= b:
waste += orange
if waste > d:
empty += 1
waste = 0
print(empty)
n,b,d = list(map(int,input().split()))
eins = list(map(int,input().split()))
solve()
|
Title: Juicer
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Kolya is going to make fresh orange juice. He has *n* oranges of sizes *a*1,<=*a*2,<=...,<=*a**n*. Kolya will put them in the juicer in the fixed order, starting with orange of size *a*1, then orange of size *a*2 and so on. To be put in the juicer the orange must have size not exceeding *b*, so if Kolya sees an orange that is strictly greater he throws it away and continues with the next one.
The juicer has a special section to collect waste. It overflows if Kolya squeezes oranges of the total size strictly greater than *d*. When it happens Kolya empties the waste section (even if there are no more oranges) and continues to squeeze the juice. How many times will he have to empty the waste section?
Input Specification:
The first line of the input contains three integers *n*, *b* and *d* (1<=≤<=*n*<=≤<=100<=000, 1<=≤<=*b*<=≤<=*d*<=≤<=1<=000<=000) — the number of oranges, the maximum size of the orange that fits in the juicer and the value *d*, which determines the condition when the waste section should be emptied.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=1<=000<=000) — sizes of the oranges listed in the order Kolya is going to try to put them in the juicer.
Output Specification:
Print one integer — the number of times Kolya will have to empty the waste section.
Demo Input:
['2 7 10\n5 6\n', '1 5 10\n7\n', '3 10 10\n5 7 7\n', '1 1 1\n1\n']
Demo Output:
['1\n', '0\n', '1\n', '0\n']
Note:
In the first sample, Kolya will squeeze the juice from two oranges and empty the waste section afterwards.
In the second sample, the orange won't fit in the juicer so Kolya will have no juice at all.
|
```python
#!/usr/bin/env python3
def solve():
waste = 0
empty = 0
for orange in eins:
if orange <= b:
waste += orange
if waste > d:
empty += 1
waste = 0
print(empty)
n,b,d = list(map(int,input().split()))
eins = list(map(int,input().split()))
solve()
```
| 3
|
|
197
|
B
|
Limit
|
PROGRAMMING
| 1,400
|
[
"math"
] | null | null |
You are given two polynomials:
- *P*(*x*)<==<=*a*0·*x**n*<=+<=*a*1·*x**n*<=-<=1<=+<=...<=+<=*a**n*<=-<=1·*x*<=+<=*a**n* and - *Q*(*x*)<==<=*b*0·*x**m*<=+<=*b*1·*x**m*<=-<=1<=+<=...<=+<=*b**m*<=-<=1·*x*<=+<=*b**m*.
Calculate limit .
|
The first line contains two space-separated integers *n* and *m* (0<=≤<=*n*,<=*m*<=≤<=100) — degrees of polynomials *P*(*x*) and *Q*(*x*) correspondingly.
The second line contains *n*<=+<=1 space-separated integers — the factors of polynomial *P*(*x*): *a*0, *a*1, ..., *a**n*<=-<=1, *a**n* (<=-<=100<=≤<=*a**i*<=≤<=100,<=*a*0<=≠<=0).
The third line contains *m*<=+<=1 space-separated integers — the factors of polynomial *Q*(*x*): *b*0, *b*1, ..., *b**m*<=-<=1, *b**m* (<=-<=100<=≤<=*b**i*<=≤<=100,<=*b*0<=≠<=0).
|
If the limit equals <=+<=∞, print "Infinity" (without quotes). If the limit equals <=-<=∞, print "-Infinity" (without the quotes).
If the value of the limit equals zero, print "0/1" (without the quotes).
Otherwise, print an irreducible fraction — the value of limit , in the format "p/q" (without the quotes), where *p* is the — numerator, *q* (*q*<=><=0) is the denominator of the fraction.
|
[
"2 1\n1 1 1\n2 5\n",
"1 0\n-1 3\n2\n",
"0 1\n1\n1 0\n",
"2 2\n2 1 6\n4 5 -7\n",
"1 1\n9 0\n-5 2\n"
] |
[
"Infinity\n",
"-Infinity\n",
"0/1\n",
"1/2\n",
"-9/5\n"
] |
Let's consider all samples:
1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/c28febca257452afdfcbd6984ba8623911f9bdbc.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/1e55ecd04e54a45e5e0092ec9a5c1ea03bb29255.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/2c95fb684d373fcc1a481cfabeda4d5c2f3673ee.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/4dc40cb8b3cd6375c42445366e50369649a2801a.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/c6455aba35cfb3c4397505121d1f77afcd17c98e.png" style="max-width: 100.0%;max-height: 100.0%;"/>
You can learn more about the definition and properties of limits if you follow the link: http://en.wikipedia.org/wiki/Limit_of_a_function
| 500
|
[
{
"input": "2 1\n1 1 1\n2 5",
"output": "Infinity"
},
{
"input": "1 0\n-1 3\n2",
"output": "-Infinity"
},
{
"input": "0 1\n1\n1 0",
"output": "0/1"
},
{
"input": "2 2\n2 1 6\n4 5 -7",
"output": "1/2"
},
{
"input": "1 1\n9 0\n-5 2",
"output": "-9/5"
},
{
"input": "1 2\n5 3\n-3 2 -1",
"output": "0/1"
},
{
"input": "1 2\n-4 8\n-2 5 -3",
"output": "0/1"
},
{
"input": "3 2\n4 3 1 2\n-5 7 0",
"output": "-Infinity"
},
{
"input": "2 1\n-3 5 1\n-8 0",
"output": "Infinity"
},
{
"input": "1 1\n-5 7\n3 1",
"output": "-5/3"
},
{
"input": "2 2\n-4 2 1\n-5 8 -19",
"output": "4/5"
},
{
"input": "0 100\n1\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100",
"output": "0/1"
},
{
"input": "100 0\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100\n1",
"output": "Infinity"
},
{
"input": "0 0\n36\n-54",
"output": "-2/3"
},
{
"input": "0 0\n36\n-8",
"output": "-9/2"
},
{
"input": "0 0\n-6\n-8",
"output": "3/4"
},
{
"input": "0 2\n-3\n1 4 6",
"output": "0/1"
},
{
"input": "0 0\n-21\n13",
"output": "-21/13"
},
{
"input": "0 0\n-34\n21",
"output": "-34/21"
},
{
"input": "0 0\n-55\n34",
"output": "-55/34"
},
{
"input": "33 100\n-15 -90 -84 57 67 60 -40 -82 83 -80 43 -15 -36 -14 -37 -49 42 -79 49 -7 -12 53 -44 -21 87 -91 -73 -27 13 65 5 74 -21 -52\n-67 -17 36 -46 -5 31 -45 -35 -49 13 -7 -82 92 -55 -67 -96 31 -70 76 24 -29 26 96 19 -40 99 -26 74 -17 -56 -72 24 -71 -62 10 -56 -74 75 -48 -98 -67 -26 47 7 63 -38 99 66 -25 -31 -24 -42 -49 -27 -45 -2 -37 -16 5 -21 97 33 85 -33 93 30 84 73 -48 18 -36 71 -38 -41 28 1 -7 -15 60 59 -20 -38 -86 90 2 -12 72 -43 26 76 97 7 -2 -47 -4 100 -40 -48 53 -54 0",
"output": "0/1"
},
{
"input": "39 87\n78 -50 18 -32 -12 -65 83 41 -6 53 -26 64 -19 -53 -61 91 -49 -66 67 69 100 -39 95 99 86 -67 -66 63 48 26 -4 95 -54 -71 26 -74 -93 79 -91 -45\n-18 23 48 59 76 82 95 2 -26 18 -39 -74 44 -92 40 -44 1 -97 -100 -63 -54 -3 -86 85 28 -50 41 -53 -74 -29 -91 87 27 -42 -90 -15 -26 -15 -100 -70 -10 -41 16 85 71 -39 -31 -65 80 98 9 23 -40 14 -88 15 -34 10 -67 -94 -58 -24 75 48 -42 56 -77 -13 -25 -79 -100 -57 89 45 22 85 78 -93 -79 69 63 44 74 94 35 -65 -12 -88",
"output": "0/1"
},
{
"input": "47 56\n31 -99 -97 6 -45 -5 89 35 -77 69 57 91 -32 -66 -36 16 30 61 -36 32 48 67 5 -85 65 -11 -51 -63 -51 -16 39 -26 -60 -28 91 43 -90 32 44 83 70 -53 51 56 68 -81 76 79\n61 -21 -75 -36 -24 -19 80 26 -28 93 27 72 -39 -46 -38 68 -29 -16 -63 84 -13 64 55 63 77 5 68 70 15 99 12 -69 50 -48 -82 -3 52 -54 68 91 -37 -100 -5 74 24 91 -1 74 28 29 -87 -13 -88 82 -13 58 23",
"output": "0/1"
},
{
"input": "9 100\n-34 88 33 -80 87 31 -53 -3 8 -70\n31 -25 46 78 8 82 -92 -36 -30 85 -93 86 -87 75 8 -71 44 -41 -83 19 89 -28 81 42 79 86 41 -23 64 -31 46 24 -79 23 71 63 99 90 -16 -70 -1 88 10 65 3 -99 95 52 -80 53 -24 -43 -30 -7 51 40 -47 44 -10 -18 -61 -67 -84 37 45 93 -5 68 32 3 -61 -100 38 -21 -91 90 83 -45 75 89 17 -44 75 14 -28 1 -84 -100 -36 84 -40 88 -84 -54 2 -32 92 -49 77 85 91",
"output": "0/1"
},
{
"input": "28 87\n-77 49 37 46 -92 65 89 100 53 76 -43 47 -80 -46 -94 -4 20 46 81 -41 86 25 69 60 15 -78 -98 -7 -42\n-85 96 59 -40 90 -72 41 -17 -40 -15 -98 66 47 9 -33 -63 59 -25 -31 25 -94 35 28 -36 -41 -38 -38 -54 -40 90 7 -10 98 -19 54 -10 46 -58 -88 -21 90 82 37 -70 -98 -63 41 75 -50 -59 -69 79 -93 -3 -45 14 76 28 -28 -98 -44 -39 71 44 90 91 0 45 7 65 68 39 -27 58 68 -47 -41 100 14 -95 -80 69 -88 -51 -89 -70 -23 95",
"output": "0/1"
},
{
"input": "100 4\n-5 -93 89 -26 -79 14 -28 13 -45 69 50 -84 21 -68 62 30 -26 99 -12 39 20 -74 -39 -41 -28 -72 -55 28 20 31 -92 -20 76 -65 57 72 -36 4 33 -28 -19 -41 -40 40 84 -36 -83 75 -74 -80 32 -50 -56 72 16 75 57 90 -19 -10 67 -71 69 -48 -48 23 37 -31 -64 -86 20 67 97 14 82 -41 2 87 65 -81 -27 9 -79 -1 -5 84 -8 29 -34 31 82 40 21 -53 -31 -45 17 -33 79 50 -94\n56 -4 -90 36 84",
"output": "-Infinity"
},
{
"input": "77 51\n89 45 -33 -87 33 -61 -79 40 -76 16 -17 31 27 25 99 82 51 -40 85 -66 19 89 -62 24 -61 -53 -77 17 21 83 53 -18 -56 75 9 -78 33 -11 -6 96 -33 -2 -57 97 30 20 -41 42 -13 45 -99 67 37 -20 51 -33 88 -62 2 40 17 36 45 71 4 -44 24 20 -2 29 -12 -84 -7 -84 -38 48 -73 79\n60 -43 60 1 90 -1 19 -18 -21 31 -76 51 79 91 12 39 -33 -14 71 -90 -65 -93 -58 93 49 17 77 19 32 -8 14 58 -9 85 -95 -73 0 85 -91 -99 -30 -43 61 20 -89 93 53 20 -33 -38 79 54",
"output": "Infinity"
},
{
"input": "84 54\n82 -54 28 68 74 -61 54 98 59 67 -65 -1 16 65 -78 -16 61 -79 2 14 44 96 -62 77 51 87 37 66 65 28 88 -99 -21 -83 24 80 39 64 -65 45 86 -53 -49 94 -75 -31 -42 -1 -35 -18 74 30 31 -40 30 -6 47 58 -71 -21 20 13 75 -79 15 -98 -26 76 99 -77 -9 85 48 51 -87 56 -53 37 47 -3 94 64 -7 74 86\n72 51 -74 20 41 -76 98 58 24 -61 -97 -73 62 29 6 42 -92 -6 -65 89 -32 -9 82 -13 -88 -70 -97 25 -48 12 -54 33 -92 -29 48 60 -21 86 -17 -86 45 -34 -3 -9 -62 12 25 -74 -76 -89 48 55 -30 86 51",
"output": "Infinity"
},
{
"input": "73 15\n-70 78 51 -33 -95 46 87 -33 16 62 67 -85 -57 75 -93 -59 98 -45 -90 -88 9 53 35 37 28 3 40 -87 28 5 18 11 9 1 72 69 -65 -62 1 73 -3 3 35 17 -28 -31 -45 60 64 18 60 38 -47 12 2 -90 -4 33 -51 -55 -54 90 38 -65 39 32 -70 0 -5 3 -12 100 78 55\n46 33 41 52 -89 -9 53 -81 34 -45 -11 -41 14 -28 95 -50",
"output": "-Infinity"
},
{
"input": "33 1\n-75 -83 87 -27 -48 47 -90 -84 -18 -4 14 -1 -83 -98 -68 -85 -86 28 2 45 96 -59 86 -25 -2 -64 -92 65 69 72 72 -58 -99 90\n-1 72",
"output": "Infinity"
},
{
"input": "58 58\n-25 40 -34 23 -52 94 -30 -99 -71 -90 -44 -71 69 48 -45 -59 0 66 -70 -96 95 91 82 90 -95 87 3 -77 -77 -26 15 87 -82 5 -24 82 -11 99 35 49 22 44 18 -60 -26 79 67 71 -13 29 -23 9 58 -90 88 18 77 5 -7\n-30 -11 -13 -50 61 -78 11 -74 -73 13 -66 -65 -82 38 58 25 -64 -24 78 -87 6 6 -80 -96 47 -25 -54 10 -41 -22 -50 -1 -6 -22 27 54 -32 30 93 88 -70 -100 -69 -47 -20 -92 -24 70 -93 42 78 42 -35 41 31 75 -67 -62 -83",
"output": "5/6"
},
{
"input": "20 20\n5 4 91 -66 -57 55 -79 -2 -54 -72 -49 21 -23 -5 57 -48 70 -16 -86 -26 -19\n51 -60 64 -8 89 27 -96 4 95 -24 -2 -27 -41 -14 -88 -19 24 68 -31 34 -62",
"output": "5/51"
},
{
"input": "69 69\n-90 -63 -21 23 23 -14 -82 65 42 -60 -42 -39 67 34 96 93 -42 -24 21 -80 44 -81 45 -74 -19 -88 39 58 90 87 16 48 -19 -2 36 87 4 -66 -82 -49 -32 -43 -65 12 34 -29 -58 46 -67 -20 -30 91 21 65 15 2 3 -92 -67 -68 39 -24 77 76 -17 -34 5 63 88 83\n-55 98 -79 18 -100 -67 -79 -85 -75 -44 -6 -73 -11 -12 -24 -78 47 -51 25 -29 -34 25 27 11 -87 15 -44 41 -44 46 -67 70 -35 41 62 -36 27 -41 -42 -50 96 31 26 -66 9 74 34 31 25 6 -84 41 74 -7 49 5 35 -5 -71 -37 28 58 -8 -40 -19 -83 -34 64 7 15",
"output": "18/11"
},
{
"input": "0 0\n46\n-33",
"output": "-46/33"
},
{
"input": "67 67\n-8 11 55 80 -26 -38 58 73 -48 -10 35 75 16 -84 55 -51 98 58 -28 98 77 81 51 -86 -46 68 -87 -80 -49 81 96 -97 -42 25 6 -8 -55 -25 93 -29 -33 -6 -26 -85 73 97 63 57 51 92 -6 -8 4 86 46 -45 36 -19 -71 1 71 39 97 -44 -34 -1 2 -46\n91 -32 -76 11 -40 91 -8 -100 73 80 47 82 24 0 -71 82 -93 38 -54 1 -55 -53 90 -86 0 10 -35 49 90 56 25 17 46 -43 13 16 -82 -33 64 -83 -56 22 12 -74 4 -68 85 -27 60 -28 -47 73 -93 69 -37 54 -3 90 -56 56 78 61 7 -79 48 -42 -10 -48",
"output": "-8/91"
},
{
"input": "69 69\n-7 38 -3 -22 65 -78 -65 -99 -76 63 0 -4 -78 -51 54 -61 -53 60 80 34 -96 99 -78 -96 21 -10 -86 33 -9 -81 -19 -2 -76 -3 -66 -80 -55 -21 -50 37 -86 -37 47 44 76 -39 54 -25 41 -86 -3 -25 -67 94 18 67 27 -5 -30 -69 2 -76 7 -97 -52 -35 -55 -20 92 2\n90 -94 37 41 -27 -54 96 -15 -60 -29 -75 -93 -57 62 48 -88 -99 -62 4 -9 85 33 65 -95 -30 16 -29 -89 -33 -83 -35 -21 53 -52 80 -40 76 -33 86 47 18 43 -67 -36 -99 -42 1 -94 -78 34 -41 73 96 2 -60 29 68 -96 -21 -61 -98 -67 1 40 85 55 66 -25 -50 -83",
"output": "-7/90"
},
{
"input": "17 17\n-54 59 -95 87 3 -27 -30 49 -87 74 45 78 36 60 -95 41 -53 -70\n-27 16 -67 -24 10 -73 -41 12 -52 53 -73 -17 -56 -74 -33 -8 100 -39",
"output": "2/1"
},
{
"input": "1 1\n36 -49\n-32 -40",
"output": "-9/8"
},
{
"input": "1 1\n1 1\n1 1",
"output": "1/1"
},
{
"input": "1 1\n-2 1\n4 1",
"output": "-1/2"
},
{
"input": "0 0\n2\n1",
"output": "2/1"
},
{
"input": "0 0\n4\n-3",
"output": "-4/3"
},
{
"input": "0 0\n2\n2",
"output": "1/1"
},
{
"input": "0 0\n17\n-10",
"output": "-17/10"
},
{
"input": "0 0\n-1\n2",
"output": "-1/2"
},
{
"input": "0 0\n1\n1",
"output": "1/1"
},
{
"input": "0 0\n50\n20",
"output": "5/2"
},
{
"input": "0 0\n20\n20",
"output": "1/1"
},
{
"input": "0 0\n4\n-2",
"output": "-2/1"
},
{
"input": "0 0\n4\n-6",
"output": "-2/3"
},
{
"input": "0 0\n1\n-2",
"output": "-1/2"
},
{
"input": "0 0\n4\n2",
"output": "2/1"
},
{
"input": "0 0\n2\n-4",
"output": "-1/2"
},
{
"input": "1 1\n4 1\n2 1",
"output": "2/1"
},
{
"input": "2 2\n-13 1 3\n6 3 2",
"output": "-13/6"
},
{
"input": "99 99\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2",
"output": "1/2"
},
{
"input": "0 0\n5\n5",
"output": "1/1"
},
{
"input": "0 0\n2\n-1",
"output": "-2/1"
}
] | 1,692,475,434
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 80
| 92
| 0
|
import math
n, m = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
if m > n:
print('0/1')
elif m == n:
gcd = abs(math.gcd(a[0], b[0]))
if a[0] * b[0] < 0:
print('-{}/{}'.format(abs(a[0]) // gcd, abs(b[0]) // gcd))
else:
print('{}/{}'.format(abs(a[0]) // gcd, abs(b[0]) // gcd))
else:
if a[0] * b[0] < 0:
print('-Infinity')
else:
print('Infinity')
|
Title: Limit
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
You are given two polynomials:
- *P*(*x*)<==<=*a*0·*x**n*<=+<=*a*1·*x**n*<=-<=1<=+<=...<=+<=*a**n*<=-<=1·*x*<=+<=*a**n* and - *Q*(*x*)<==<=*b*0·*x**m*<=+<=*b*1·*x**m*<=-<=1<=+<=...<=+<=*b**m*<=-<=1·*x*<=+<=*b**m*.
Calculate limit .
Input Specification:
The first line contains two space-separated integers *n* and *m* (0<=≤<=*n*,<=*m*<=≤<=100) — degrees of polynomials *P*(*x*) and *Q*(*x*) correspondingly.
The second line contains *n*<=+<=1 space-separated integers — the factors of polynomial *P*(*x*): *a*0, *a*1, ..., *a**n*<=-<=1, *a**n* (<=-<=100<=≤<=*a**i*<=≤<=100,<=*a*0<=≠<=0).
The third line contains *m*<=+<=1 space-separated integers — the factors of polynomial *Q*(*x*): *b*0, *b*1, ..., *b**m*<=-<=1, *b**m* (<=-<=100<=≤<=*b**i*<=≤<=100,<=*b*0<=≠<=0).
Output Specification:
If the limit equals <=+<=∞, print "Infinity" (without quotes). If the limit equals <=-<=∞, print "-Infinity" (without the quotes).
If the value of the limit equals zero, print "0/1" (without the quotes).
Otherwise, print an irreducible fraction — the value of limit , in the format "p/q" (without the quotes), where *p* is the — numerator, *q* (*q*<=><=0) is the denominator of the fraction.
Demo Input:
['2 1\n1 1 1\n2 5\n', '1 0\n-1 3\n2\n', '0 1\n1\n1 0\n', '2 2\n2 1 6\n4 5 -7\n', '1 1\n9 0\n-5 2\n']
Demo Output:
['Infinity\n', '-Infinity\n', '0/1\n', '1/2\n', '-9/5\n']
Note:
Let's consider all samples:
1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/c28febca257452afdfcbd6984ba8623911f9bdbc.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/1e55ecd04e54a45e5e0092ec9a5c1ea03bb29255.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/2c95fb684d373fcc1a481cfabeda4d5c2f3673ee.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/4dc40cb8b3cd6375c42445366e50369649a2801a.png" style="max-width: 100.0%;max-height: 100.0%;"/> 1. <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/c6455aba35cfb3c4397505121d1f77afcd17c98e.png" style="max-width: 100.0%;max-height: 100.0%;"/>
You can learn more about the definition and properties of limits if you follow the link: http://en.wikipedia.org/wiki/Limit_of_a_function
|
```python
import math
n, m = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
if m > n:
print('0/1')
elif m == n:
gcd = abs(math.gcd(a[0], b[0]))
if a[0] * b[0] < 0:
print('-{}/{}'.format(abs(a[0]) // gcd, abs(b[0]) // gcd))
else:
print('{}/{}'.format(abs(a[0]) // gcd, abs(b[0]) // gcd))
else:
if a[0] * b[0] < 0:
print('-Infinity')
else:
print('Infinity')
```
| 3
|
|
810
|
A
|
Straight <<A>>
|
PROGRAMMING
| 900
|
[
"implementation",
"math"
] | null | null |
Noora is a student of one famous high school. It's her final year in school — she is going to study in university next year. However, she has to get an «A» graduation certificate in order to apply to a prestigious one.
In school, where Noora is studying, teachers are putting down marks to the online class register, which are integers from 1 to *k*. The worst mark is 1, the best is *k*. Mark that is going to the certificate, is calculated as an average of all the marks, rounded to the closest integer. If several answers are possible, rounding up is produced. For example, 7.3 is rounded to 7, but 7.5 and 7.8784 — to 8.
For instance, if Noora has marks [8,<=9], then the mark to the certificate is 9, because the average is equal to 8.5 and rounded to 9, but if the marks are [8,<=8,<=9], Noora will have graduation certificate with 8.
To graduate with «A» certificate, Noora has to have mark *k*.
Noora got *n* marks in register this year. However, she is afraid that her marks are not enough to get final mark *k*. Noora decided to ask for help in the internet, where hacker Leha immediately responded to her request. He is ready to hack class register for Noora and to add Noora any number of additional marks from 1 to *k*. At the same time, Leha want his hack be unseen to everyone, so he decided to add as less as possible additional marks. Please help Leha to calculate the minimal number of marks he has to add, so that final Noora's mark will become equal to *k*.
|
The first line contains two integers *n* and *k* (1<=≤<=*n*<=≤<=100,<=1<=≤<=*k*<=≤<=100) denoting the number of marks, received by Noora and the value of highest possible mark.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=*k*) denoting marks received by Noora before Leha's hack.
|
Print a single integer — minimal number of additional marks, that Leha has to add in order to change Noora's final mark to *k*.
|
[
"2 10\n8 9\n",
"3 5\n4 4 4\n"
] |
[
"4",
"3"
] |
Consider the first example testcase.
Maximal mark is 10, Noora received two marks — 8 and 9, so current final mark is 9. To fix it, Leha can add marks [10, 10, 10, 10] (4 marks in total) to the registry, achieving Noora having average mark equal to <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/1b961585522f76271546da990a6228e7c666277f.png" style="max-width: 100.0%;max-height: 100.0%;"/>. Consequently, new final mark is 10. Less number of marks won't fix the situation.
In the second example Leha can add [5, 5, 5] to the registry, so that making average mark equal to 4.5, which is enough to have 5 in the certificate.
| 500
|
[
{
"input": "2 10\n8 9",
"output": "4"
},
{
"input": "3 5\n4 4 4",
"output": "3"
},
{
"input": "3 10\n10 8 9",
"output": "3"
},
{
"input": "2 23\n21 23",
"output": "2"
},
{
"input": "5 10\n5 10 10 9 10",
"output": "7"
},
{
"input": "12 50\n18 10 26 22 22 23 14 21 27 18 25 12",
"output": "712"
},
{
"input": "38 12\n2 7 10 8 5 3 5 6 3 6 5 1 9 7 7 8 3 4 4 4 5 2 3 6 6 1 6 7 4 4 8 7 4 5 3 6 6 6",
"output": "482"
},
{
"input": "63 86\n32 31 36 29 36 26 28 38 39 32 29 26 33 38 36 38 36 28 43 48 28 33 25 39 39 27 34 25 37 28 40 26 30 31 42 32 36 44 29 36 30 35 48 40 26 34 30 33 33 46 42 24 36 38 33 51 33 41 38 29 29 32 28",
"output": "6469"
},
{
"input": "100 38\n30 24 38 31 31 33 32 32 29 34 29 22 27 23 34 25 32 30 30 26 16 27 38 33 38 38 37 34 32 27 33 23 33 32 24 24 30 36 29 30 33 30 29 30 36 33 33 35 28 24 30 32 38 29 30 36 31 30 27 38 31 36 15 37 32 27 29 24 38 33 28 29 34 21 37 35 32 31 27 25 27 28 31 31 36 38 35 35 36 29 35 22 38 31 38 28 31 27 34 31",
"output": "1340"
},
{
"input": "33 69\n60 69 68 69 69 60 64 60 62 59 54 47 60 62 69 69 69 58 67 69 62 69 68 53 69 69 66 66 57 58 65 69 61",
"output": "329"
},
{
"input": "39 92\n19 17 16 19 15 30 21 25 14 17 19 19 23 16 14 15 17 19 29 15 11 25 19 14 18 20 10 16 11 15 18 20 20 17 18 16 12 17 16",
"output": "5753"
},
{
"input": "68 29\n29 29 29 29 29 28 29 29 29 27 29 29 29 29 29 29 29 23 29 29 26 29 29 29 29 29 29 29 29 29 29 29 29 29 29 29 26 29 29 29 29 29 29 29 29 29 29 29 29 22 29 29 29 29 29 29 29 29 29 29 29 29 29 28 29 29 29 29",
"output": "0"
},
{
"input": "75 30\n22 18 21 26 23 18 28 30 24 24 19 25 28 30 23 29 18 23 23 30 26 30 17 30 18 19 25 26 26 15 27 23 30 21 19 26 25 30 25 28 20 22 22 21 26 17 23 23 24 15 25 19 18 22 30 30 29 21 30 28 28 30 27 25 24 15 22 19 30 21 20 30 18 20 25",
"output": "851"
},
{
"input": "78 43\n2 7 6 5 5 6 4 5 3 4 6 8 4 5 5 4 3 1 2 4 4 6 5 6 4 4 6 4 8 4 6 5 6 1 4 5 6 3 2 5 2 5 3 4 8 8 3 3 4 4 6 6 5 4 5 5 7 9 3 9 6 4 7 3 6 9 6 5 1 7 2 5 6 3 6 2 5 4",
"output": "5884"
},
{
"input": "82 88\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1",
"output": "14170"
},
{
"input": "84 77\n28 26 36 38 37 44 48 34 40 22 42 35 40 37 30 31 33 35 36 55 47 36 33 47 40 38 27 38 36 33 35 31 47 33 30 38 38 47 49 24 38 37 28 43 39 36 34 33 29 38 36 43 48 38 36 34 33 34 35 31 26 33 39 37 37 37 35 52 47 30 24 46 38 26 43 46 41 50 33 40 36 41 37 30",
"output": "6650"
},
{
"input": "94 80\n21 19 15 16 27 16 20 18 19 19 15 15 20 19 19 21 20 19 13 17 15 9 17 15 23 15 12 18 12 13 15 12 14 13 14 17 20 20 14 21 15 6 10 23 24 8 18 18 13 23 17 22 17 19 19 18 17 24 8 16 18 20 24 19 10 19 15 10 13 14 19 15 16 19 20 15 14 21 16 16 14 14 22 19 12 11 14 13 19 32 16 16 13 20",
"output": "11786"
},
{
"input": "96 41\n13 32 27 34 28 34 30 26 21 24 29 20 25 34 25 16 27 15 22 22 34 22 25 19 23 17 17 22 26 24 23 20 21 27 19 33 13 24 22 18 30 30 27 14 26 24 20 20 22 11 19 31 19 29 18 28 30 22 17 15 28 32 17 24 17 24 24 19 26 23 22 29 18 22 23 29 19 32 26 23 22 22 24 23 27 30 24 25 21 21 33 19 35 27 34 28",
"output": "3182"
},
{
"input": "1 26\n26",
"output": "0"
},
{
"input": "99 39\n25 28 30 28 32 34 31 28 29 28 29 30 33 19 33 31 27 33 29 24 27 30 25 38 28 34 35 31 34 37 30 22 21 24 34 27 34 33 34 33 26 26 36 19 30 22 35 30 21 28 23 35 33 29 21 22 36 31 34 32 34 32 30 32 27 33 38 25 35 26 39 27 29 29 19 33 28 29 34 38 26 30 36 26 29 30 26 34 22 32 29 38 25 27 24 17 25 28 26",
"output": "1807"
},
{
"input": "100 12\n7 6 6 3 5 5 9 8 7 7 4 7 12 6 9 5 6 3 4 7 9 10 7 7 5 3 9 6 9 9 6 7 4 10 4 8 8 6 9 8 6 5 7 4 10 7 5 6 8 9 3 4 8 5 4 8 6 10 5 8 7 5 9 8 5 8 5 6 9 11 4 9 5 5 11 4 6 6 7 3 8 9 6 7 10 4 7 6 9 4 8 11 5 4 10 8 5 10 11 4",
"output": "946"
},
{
"input": "100 18\n1 2 2 2 2 2 1 1 1 2 3 1 3 1 1 4 2 4 1 2 1 2 1 3 2 1 2 1 1 1 2 1 2 2 1 1 4 3 1 1 2 1 3 3 2 1 2 2 1 1 1 1 3 1 1 2 2 1 1 1 5 1 2 1 3 2 2 1 4 2 2 1 1 1 1 1 1 1 1 2 2 1 2 1 1 1 2 1 2 2 2 1 1 3 1 1 2 1 1 2",
"output": "3164"
},
{
"input": "100 27\n16 20 21 10 16 17 18 25 19 18 20 12 11 21 21 23 20 26 20 21 27 16 25 18 25 21 27 12 20 27 18 17 27 13 21 26 12 22 15 21 25 21 18 27 24 15 16 18 23 21 24 27 19 17 24 14 21 16 24 26 13 14 25 18 27 26 22 16 27 27 17 25 17 12 22 10 19 27 19 20 23 22 25 23 17 25 14 20 22 10 22 27 21 20 15 26 24 27 12 16",
"output": "1262"
},
{
"input": "100 29\n20 18 23 24 14 14 16 23 22 17 18 22 21 21 19 19 14 11 18 19 16 22 25 20 14 13 21 24 18 16 18 29 17 25 12 10 18 28 11 16 17 14 15 20 17 20 18 22 10 16 16 20 18 19 29 18 25 27 17 19 24 15 24 25 16 23 19 16 16 20 19 15 12 21 20 13 21 15 15 23 16 23 17 13 17 21 13 18 17 18 18 20 16 12 19 15 27 14 11 18",
"output": "2024"
},
{
"input": "100 30\n16 10 20 11 14 27 15 17 22 26 24 17 15 18 19 22 22 15 21 22 14 21 22 22 21 22 15 17 17 22 18 19 26 18 22 20 22 25 18 18 17 23 18 18 20 13 19 30 17 24 22 19 29 20 20 21 17 18 26 25 22 19 15 18 18 20 19 19 18 18 24 16 19 17 12 21 20 16 23 21 16 17 26 23 25 28 22 20 9 21 17 24 15 19 17 21 29 13 18 15",
"output": "1984"
},
{
"input": "100 59\n56 58 53 59 59 48 59 54 46 59 59 58 48 59 55 59 59 50 59 56 59 59 59 59 59 59 59 57 59 53 45 53 50 59 50 55 58 54 59 56 54 59 59 59 59 48 56 59 59 57 59 59 48 43 55 57 39 59 46 55 55 52 58 57 51 59 59 59 59 53 59 43 51 54 46 59 57 43 50 59 47 58 59 59 59 55 46 56 55 59 56 47 56 56 46 51 47 48 59 55",
"output": "740"
},
{
"input": "100 81\n6 7 6 6 7 6 6 6 3 9 4 5 4 3 4 6 6 6 1 3 9 5 2 3 8 5 6 9 6 6 6 5 4 4 7 7 3 6 11 7 6 4 8 7 12 6 4 10 2 4 9 11 7 4 7 7 8 8 6 7 9 8 4 5 8 13 6 6 6 8 6 2 5 6 7 5 4 4 4 4 2 6 4 8 3 4 7 7 6 7 7 10 5 10 6 7 4 11 8 4",
"output": "14888"
},
{
"input": "100 100\n30 35 23 43 28 49 31 32 30 44 32 37 33 34 38 28 43 32 33 32 50 32 41 38 33 20 40 36 29 21 42 25 23 34 43 32 37 31 30 27 36 32 45 37 33 29 38 34 35 33 28 19 37 33 28 41 31 29 41 27 32 39 30 34 37 40 33 38 35 32 32 34 35 34 28 39 28 34 40 45 31 25 42 28 29 31 33 21 36 33 34 37 40 42 39 30 36 34 34 40",
"output": "13118"
},
{
"input": "100 100\n71 87 100 85 89 98 90 90 71 65 76 75 85 100 81 100 91 80 73 89 86 78 82 89 77 92 78 90 100 81 85 89 73 100 66 60 72 88 91 73 93 76 88 81 86 78 83 77 74 93 97 94 85 78 82 78 91 91 100 78 89 76 78 82 81 78 83 88 87 83 78 98 85 97 98 89 88 75 76 86 74 81 70 76 86 84 99 100 89 94 72 84 82 88 83 89 78 99 87 76",
"output": "3030"
},
{
"input": "100 100\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "19700"
},
{
"input": "100 100\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100",
"output": "0"
},
{
"input": "100 100\n1 1 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "19696"
},
{
"input": "100 100\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 99",
"output": "0"
},
{
"input": "100 100\n100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 98 100 100 100 100 98 100 100 100 100 100 100 99 98 100 100 93 100 100 98 100 100 100 100 93 100 96 100 100 100 94 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 95 88 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100",
"output": "0"
},
{
"input": "100 100\n95 100 100 100 100 100 100 100 100 100 100 100 100 100 87 100 100 100 94 100 100 100 100 100 100 100 100 100 100 100 100 99 100 100 100 100 100 100 100 100 100 100 90 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 97 100 100 100 96 100 98 100 100 100 100 100 96 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 97 100 100 100 100",
"output": "2"
},
{
"input": "100 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "0"
},
{
"input": "100 2\n2 1 1 2 1 1 1 1 2 2 2 2 1 1 1 2 1 1 1 2 2 2 2 1 1 1 1 2 2 2 1 2 2 2 2 1 2 2 1 1 1 1 1 1 2 2 1 2 1 1 1 2 1 2 2 2 2 1 1 1 2 2 1 2 1 1 1 2 1 2 2 1 1 1 2 2 1 1 2 1 1 2 1 1 1 2 1 1 1 1 2 1 1 1 1 2 1 2 1 1",
"output": "16"
},
{
"input": "3 5\n5 5 5",
"output": "0"
},
{
"input": "7 7\n1 1 1 1 1 1 1",
"output": "77"
},
{
"input": "1 1\n1",
"output": "0"
},
{
"input": "100 100\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "19700"
},
{
"input": "4 10\n10 10 10 10",
"output": "0"
},
{
"input": "1 10\n10",
"output": "0"
},
{
"input": "10 1\n1 1 1 1 1 1 1 1 1 1",
"output": "0"
},
{
"input": "3 10\n10 10 10",
"output": "0"
},
{
"input": "2 4\n3 4",
"output": "0"
},
{
"input": "1 2\n2",
"output": "0"
},
{
"input": "3 4\n4 4 4",
"output": "0"
},
{
"input": "3 2\n2 2 1",
"output": "0"
},
{
"input": "5 5\n5 5 5 5 5",
"output": "0"
},
{
"input": "3 3\n3 3 3",
"output": "0"
},
{
"input": "2 9\n8 9",
"output": "0"
},
{
"input": "3 10\n9 10 10",
"output": "0"
},
{
"input": "1 3\n3",
"output": "0"
},
{
"input": "2 2\n1 2",
"output": "0"
},
{
"input": "2 10\n10 10",
"output": "0"
},
{
"input": "23 14\n7 11 13 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14",
"output": "0"
},
{
"input": "2 10\n9 10",
"output": "0"
},
{
"input": "2 2\n2 2",
"output": "0"
},
{
"input": "10 5\n5 5 5 5 5 5 5 5 5 4",
"output": "0"
},
{
"input": "3 5\n4 5 5",
"output": "0"
},
{
"input": "5 4\n4 4 4 4 4",
"output": "0"
},
{
"input": "2 10\n10 9",
"output": "0"
},
{
"input": "4 5\n3 5 5 5",
"output": "0"
},
{
"input": "10 5\n5 5 5 5 5 5 5 5 5 5",
"output": "0"
},
{
"input": "3 10\n10 10 9",
"output": "0"
},
{
"input": "5 1\n1 1 1 1 1",
"output": "0"
},
{
"input": "2 1\n1 1",
"output": "0"
},
{
"input": "4 10\n9 10 10 10",
"output": "0"
},
{
"input": "5 2\n2 2 2 2 2",
"output": "0"
},
{
"input": "2 5\n4 5",
"output": "0"
},
{
"input": "5 10\n10 10 10 10 10",
"output": "0"
},
{
"input": "2 6\n6 6",
"output": "0"
},
{
"input": "2 9\n9 9",
"output": "0"
},
{
"input": "3 10\n10 9 10",
"output": "0"
},
{
"input": "4 40\n39 40 40 40",
"output": "0"
},
{
"input": "3 4\n3 4 4",
"output": "0"
},
{
"input": "9 9\n9 9 9 9 9 9 9 9 9",
"output": "0"
},
{
"input": "1 4\n4",
"output": "0"
},
{
"input": "4 7\n1 1 1 1",
"output": "44"
},
{
"input": "1 5\n5",
"output": "0"
},
{
"input": "3 1\n1 1 1",
"output": "0"
},
{
"input": "1 100\n100",
"output": "0"
},
{
"input": "2 7\n3 5",
"output": "10"
},
{
"input": "3 6\n6 6 6",
"output": "0"
},
{
"input": "4 2\n1 2 2 2",
"output": "0"
},
{
"input": "4 5\n4 5 5 5",
"output": "0"
},
{
"input": "5 5\n1 1 1 1 1",
"output": "35"
},
{
"input": "66 2\n1 2 2 2 2 1 1 2 1 2 2 2 2 2 2 1 2 1 2 1 2 1 2 1 2 1 1 1 1 2 2 1 2 2 1 1 2 1 2 2 1 1 1 2 1 2 1 2 1 2 1 2 2 2 2 1 2 2 1 2 1 1 1 2 2 1",
"output": "0"
},
{
"input": "2 2\n2 1",
"output": "0"
},
{
"input": "5 5\n5 5 5 4 5",
"output": "0"
},
{
"input": "3 7\n1 1 1",
"output": "33"
},
{
"input": "2 5\n5 5",
"output": "0"
},
{
"input": "1 7\n1",
"output": "11"
},
{
"input": "6 7\n1 1 1 1 1 1",
"output": "66"
},
{
"input": "99 97\n15 80 78 69 12 84 36 51 89 77 88 10 1 19 67 85 6 36 8 70 14 45 88 97 22 13 75 57 83 27 13 97 9 90 68 51 76 37 5 2 16 92 11 48 13 77 35 19 15 74 22 29 21 12 28 42 56 5 32 41 62 75 71 71 68 72 24 77 11 28 78 27 53 88 74 66 1 42 18 16 18 39 75 38 81 5 13 39 40 75 13 36 53 83 9 54 57 63 64",
"output": "10077"
},
{
"input": "8 7\n1 1 1 1 1 1 1 1",
"output": "88"
},
{
"input": "3 2\n2 2 2",
"output": "0"
},
{
"input": "6 5\n5 5 5 5 5 5",
"output": "0"
},
{
"input": "10 5\n5 5 5 5 5 5 5 4 1 1",
"output": "8"
},
{
"input": "1 5\n1",
"output": "7"
},
{
"input": "10 10\n10 10 10 10 10 10 10 10 10 10",
"output": "0"
},
{
"input": "2 3\n2 3",
"output": "0"
},
{
"input": "1 9\n9",
"output": "0"
},
{
"input": "74 2\n2 2 2 2 1 2 2 1 1 1 2 2 1 2 2 2 2 1 2 1 1 1 2 1 1 2 2 1 2 1 1 2 1 1 2 2 2 2 2 2 2 2 1 2 2 2 1 2 2 1 1 2 1 1 1 1 1 1 2 2 2 1 1 1 1 1 2 2 2 2 2 2 1 2",
"output": "0"
},
{
"input": "5 5\n5 5 5 5 4",
"output": "0"
}
] | 1,624,518,842
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 106
| 77
| 0
|
n, k = map(int, input().split())
a = list(map(int, input().split()))
print(max((2 * n * k) - n - (2 * sum(a)), 0))
|
Title: Straight <<A>>
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Noora is a student of one famous high school. It's her final year in school — she is going to study in university next year. However, she has to get an «A» graduation certificate in order to apply to a prestigious one.
In school, where Noora is studying, teachers are putting down marks to the online class register, which are integers from 1 to *k*. The worst mark is 1, the best is *k*. Mark that is going to the certificate, is calculated as an average of all the marks, rounded to the closest integer. If several answers are possible, rounding up is produced. For example, 7.3 is rounded to 7, but 7.5 and 7.8784 — to 8.
For instance, if Noora has marks [8,<=9], then the mark to the certificate is 9, because the average is equal to 8.5 and rounded to 9, but if the marks are [8,<=8,<=9], Noora will have graduation certificate with 8.
To graduate with «A» certificate, Noora has to have mark *k*.
Noora got *n* marks in register this year. However, she is afraid that her marks are not enough to get final mark *k*. Noora decided to ask for help in the internet, where hacker Leha immediately responded to her request. He is ready to hack class register for Noora and to add Noora any number of additional marks from 1 to *k*. At the same time, Leha want his hack be unseen to everyone, so he decided to add as less as possible additional marks. Please help Leha to calculate the minimal number of marks he has to add, so that final Noora's mark will become equal to *k*.
Input Specification:
The first line contains two integers *n* and *k* (1<=≤<=*n*<=≤<=100,<=1<=≤<=*k*<=≤<=100) denoting the number of marks, received by Noora and the value of highest possible mark.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=*k*) denoting marks received by Noora before Leha's hack.
Output Specification:
Print a single integer — minimal number of additional marks, that Leha has to add in order to change Noora's final mark to *k*.
Demo Input:
['2 10\n8 9\n', '3 5\n4 4 4\n']
Demo Output:
['4', '3']
Note:
Consider the first example testcase.
Maximal mark is 10, Noora received two marks — 8 and 9, so current final mark is 9. To fix it, Leha can add marks [10, 10, 10, 10] (4 marks in total) to the registry, achieving Noora having average mark equal to <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/1b961585522f76271546da990a6228e7c666277f.png" style="max-width: 100.0%;max-height: 100.0%;"/>. Consequently, new final mark is 10. Less number of marks won't fix the situation.
In the second example Leha can add [5, 5, 5] to the registry, so that making average mark equal to 4.5, which is enough to have 5 in the certificate.
|
```python
n, k = map(int, input().split())
a = list(map(int, input().split()))
print(max((2 * n * k) - n - (2 * sum(a)), 0))
```
| 3
|
|
349
|
A
|
Cinema Line
|
PROGRAMMING
| 1,100
|
[
"greedy",
"implementation"
] | null | null |
The new "Die Hard" movie has just been released! There are *n* people at the cinema box office standing in a huge line. Each of them has a single 100, 50 or 25 ruble bill. A "Die Hard" ticket costs 25 rubles. Can the booking clerk sell a ticket to each person and give the change if he initially has no money and sells the tickets strictly in the order people follow in the line?
|
The first line contains integer *n* (1<=≤<=*n*<=≤<=105) — the number of people in the line. The next line contains *n* integers, each of them equals 25, 50 or 100 — the values of the bills the people have. The numbers are given in the order from the beginning of the line (at the box office) to the end of the line.
|
Print "YES" (without the quotes) if the booking clerk can sell a ticket to each person and give the change. Otherwise print "NO".
|
[
"4\n25 25 50 50\n",
"2\n25 100\n",
"4\n50 50 25 25\n"
] |
[
"YES\n",
"NO\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "4\n25 25 50 50",
"output": "YES"
},
{
"input": "2\n25 100",
"output": "NO"
},
{
"input": "4\n50 50 25 25",
"output": "NO"
},
{
"input": "3\n25 50 100",
"output": "NO"
},
{
"input": "10\n25 25 25 25 25 25 25 25 25 25",
"output": "YES"
},
{
"input": "10\n50 50 50 50 50 50 50 50 50 50",
"output": "NO"
},
{
"input": "10\n100 100 100 100 100 100 100 100 100 100",
"output": "NO"
},
{
"input": "7\n25 25 25 25 50 100 50",
"output": "YES"
},
{
"input": "2\n25 25",
"output": "YES"
},
{
"input": "3\n50 100 100",
"output": "NO"
},
{
"input": "3\n25 50 50",
"output": "NO"
},
{
"input": "2\n50 25",
"output": "NO"
},
{
"input": "14\n25 25 25 25 25 25 25 50 50 50 100 100 100 100",
"output": "NO"
},
{
"input": "5\n25 25 25 100 100",
"output": "NO"
},
{
"input": "7\n25 50 25 50 25 50 100",
"output": "NO"
},
{
"input": "5\n25 50 25 50 100",
"output": "NO"
},
{
"input": "5\n25 25 50 50 50",
"output": "NO"
},
{
"input": "5\n25 25 50 100 50",
"output": "NO"
},
{
"input": "5\n25 25 50 50 100",
"output": "NO"
},
{
"input": "1\n50",
"output": "NO"
}
] | 1,664,981,463
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 3
| 122
| 0
|
money = {
25: 0,
50: 0,
100: 0
}
## XXX make it depend on money
def giveBanknotes(price):
change = {}
for banknote in [100, 50, 25]:
bestCase = price // banknote
if bestCase <= money[banknote]:
price = price % banknote
else:
price = price - money[banknote] * banknote
if price == 0: return change
else: return -1
def printResult(result):
print("YES" if result else "NO")
def main():
n = int(input())
clients = [ int(i) for i in input().split() ]
result = True
for client in clients:
mayRemain = client - 25
change = giveBanknotes(mayRemain)
if (change == -1):
result = False
printResult(result)
return
for (bkValue, bkCount) in change:
money[bkValue] -= bkCount
money[client] += 1
printResult(result)
if __name__ == "__main__":
main()
|
Title: Cinema Line
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
The new "Die Hard" movie has just been released! There are *n* people at the cinema box office standing in a huge line. Each of them has a single 100, 50 or 25 ruble bill. A "Die Hard" ticket costs 25 rubles. Can the booking clerk sell a ticket to each person and give the change if he initially has no money and sells the tickets strictly in the order people follow in the line?
Input Specification:
The first line contains integer *n* (1<=≤<=*n*<=≤<=105) — the number of people in the line. The next line contains *n* integers, each of them equals 25, 50 or 100 — the values of the bills the people have. The numbers are given in the order from the beginning of the line (at the box office) to the end of the line.
Output Specification:
Print "YES" (without the quotes) if the booking clerk can sell a ticket to each person and give the change. Otherwise print "NO".
Demo Input:
['4\n25 25 50 50\n', '2\n25 100\n', '4\n50 50 25 25\n']
Demo Output:
['YES\n', 'NO\n', 'NO\n']
Note:
none
|
```python
money = {
25: 0,
50: 0,
100: 0
}
## XXX make it depend on money
def giveBanknotes(price):
change = {}
for banknote in [100, 50, 25]:
bestCase = price // banknote
if bestCase <= money[banknote]:
price = price % banknote
else:
price = price - money[banknote] * banknote
if price == 0: return change
else: return -1
def printResult(result):
print("YES" if result else "NO")
def main():
n = int(input())
clients = [ int(i) for i in input().split() ]
result = True
for client in clients:
mayRemain = client - 25
change = giveBanknotes(mayRemain)
if (change == -1):
result = False
printResult(result)
return
for (bkValue, bkCount) in change:
money[bkValue] -= bkCount
money[client] += 1
printResult(result)
if __name__ == "__main__":
main()
```
| 0
|
|
275
|
A
|
Lights Out
|
PROGRAMMING
| 900
|
[
"implementation"
] | null | null |
Lenny is playing a game on a 3<=×<=3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We consider the toggling as follows: if the light was switched on then it will be switched off, if it was switched off then it will be switched on.
Lenny has spent some time playing with the grid and by now he has pressed each light a certain number of times. Given the number of times each light is pressed, you have to print the current state of each light.
|
The input consists of three rows. Each row contains three integers each between 0 to 100 inclusive. The *j*-th number in the *i*-th row is the number of times the *j*-th light of the *i*-th row of the grid is pressed.
|
Print three lines, each containing three characters. The *j*-th character of the *i*-th line is "1" if and only if the corresponding light is switched on, otherwise it's "0".
|
[
"1 0 0\n0 0 0\n0 0 1\n",
"1 0 1\n8 8 8\n2 0 3\n"
] |
[
"001\n010\n100\n",
"010\n011\n100\n"
] |
none
| 500
|
[
{
"input": "1 0 0\n0 0 0\n0 0 1",
"output": "001\n010\n100"
},
{
"input": "1 0 1\n8 8 8\n2 0 3",
"output": "010\n011\n100"
},
{
"input": "13 85 77\n25 50 45\n65 79 9",
"output": "000\n010\n000"
},
{
"input": "96 95 5\n8 84 74\n67 31 61",
"output": "011\n011\n101"
},
{
"input": "24 54 37\n60 63 6\n1 84 26",
"output": "110\n101\n011"
},
{
"input": "23 10 40\n15 6 40\n92 80 77",
"output": "101\n100\n000"
},
{
"input": "62 74 80\n95 74 93\n2 47 95",
"output": "010\n001\n110"
},
{
"input": "80 83 48\n26 0 66\n47 76 37",
"output": "000\n000\n010"
},
{
"input": "32 15 65\n7 54 36\n5 51 3",
"output": "111\n101\n001"
},
{
"input": "22 97 12\n71 8 24\n100 21 64",
"output": "100\n001\n100"
},
{
"input": "46 37 13\n87 0 50\n90 8 55",
"output": "111\n011\n000"
},
{
"input": "57 43 58\n20 82 83\n66 16 52",
"output": "111\n010\n110"
},
{
"input": "45 56 93\n47 51 59\n18 51 63",
"output": "101\n011\n100"
},
{
"input": "47 66 67\n14 1 37\n27 81 69",
"output": "001\n001\n110"
},
{
"input": "26 69 69\n85 18 23\n14 22 74",
"output": "110\n001\n010"
},
{
"input": "10 70 65\n94 27 25\n74 66 30",
"output": "111\n010\n100"
},
{
"input": "97 1 74\n15 99 1\n88 68 86",
"output": "001\n011\n000"
},
{
"input": "36 48 42\n45 41 66\n26 64 1",
"output": "001\n111\n010"
},
{
"input": "52 81 97\n29 77 71\n66 11 2",
"output": "100\n100\n111"
},
{
"input": "18 66 33\n19 49 49\n48 46 26",
"output": "011\n100\n000"
},
{
"input": "68 79 52\n51 39 100\n29 14 26",
"output": "110\n000\n111"
},
{
"input": "91 69 77\n91 26 64\n91 88 57",
"output": "001\n011\n110"
},
{
"input": "16 69 64\n48 21 80\n81 51 51",
"output": "010\n101\n111"
},
{
"input": "96 14 2\n100 18 12\n65 34 89",
"output": "111\n010\n010"
},
{
"input": "93 95 90\n8 59 42\n53 13 19",
"output": "100\n001\n111"
},
{
"input": "71 84 18\n100 19 67\n9 76 15",
"output": "010\n010\n001"
},
{
"input": "38 93 85\n21 88 64\n4 96 25",
"output": "111\n011\n000"
},
{
"input": "75 20 20\n60 5 78\n77 4 69",
"output": "011\n001\n000"
},
{
"input": "65 70 96\n19 6 83\n33 37 82",
"output": "100\n000\n011"
},
{
"input": "11 13 60\n17 13 46\n42 21 39",
"output": "000\n011\n101"
},
{
"input": "0 0 0\n0 0 0\n0 0 0",
"output": "111\n111\n111"
},
{
"input": "0 0 0\n0 1 0\n0 0 0",
"output": "101\n000\n101"
},
{
"input": "0 0 0\n0 0 0\n0 0 1",
"output": "111\n110\n100"
}
] | 1,611,850,358
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 33
| 124
| 0
|
def neighbors(a, x, y):
total = 0
for dx, dy in [ (-1, 0),
( 0, -1),( 0, 1),
( 0, 0), ( 1, 0)]:
try:
if (x+dx>=0) and (y+dy>=0):
total += a[x+dx][y+dy]
except:
total+=0
return total
a=[]
for i in range(3):
a.append(list(map(int,input().strip().split())))
b=[[1,1,1],[1,1,1],[1,1,1]]
for i in range(3):
for j in range(3):
b[i][j]+=neighbors(a,i,j)
b[i][j]=str(b[i][j]%2)
for each in b:
print("".join(each))
|
Title: Lights Out
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Lenny is playing a game on a 3<=×<=3 grid of lights. In the beginning of the game all lights are switched on. Pressing any of the lights will toggle it and all side-adjacent lights. The goal of the game is to switch all the lights off. We consider the toggling as follows: if the light was switched on then it will be switched off, if it was switched off then it will be switched on.
Lenny has spent some time playing with the grid and by now he has pressed each light a certain number of times. Given the number of times each light is pressed, you have to print the current state of each light.
Input Specification:
The input consists of three rows. Each row contains three integers each between 0 to 100 inclusive. The *j*-th number in the *i*-th row is the number of times the *j*-th light of the *i*-th row of the grid is pressed.
Output Specification:
Print three lines, each containing three characters. The *j*-th character of the *i*-th line is "1" if and only if the corresponding light is switched on, otherwise it's "0".
Demo Input:
['1 0 0\n0 0 0\n0 0 1\n', '1 0 1\n8 8 8\n2 0 3\n']
Demo Output:
['001\n010\n100\n', '010\n011\n100\n']
Note:
none
|
```python
def neighbors(a, x, y):
total = 0
for dx, dy in [ (-1, 0),
( 0, -1),( 0, 1),
( 0, 0), ( 1, 0)]:
try:
if (x+dx>=0) and (y+dy>=0):
total += a[x+dx][y+dy]
except:
total+=0
return total
a=[]
for i in range(3):
a.append(list(map(int,input().strip().split())))
b=[[1,1,1],[1,1,1],[1,1,1]]
for i in range(3):
for j in range(3):
b[i][j]+=neighbors(a,i,j)
b[i][j]=str(b[i][j]%2)
for each in b:
print("".join(each))
```
| 3
|
|
902
|
B
|
Coloring a Tree
|
PROGRAMMING
| 1,200
|
[
"dfs and similar",
"dsu",
"greedy"
] | null | null |
You are given a rooted tree with *n* vertices. The vertices are numbered from 1 to *n*, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex *v* by *c**v*. Initially *c**v*<==<=0.
You have to color the tree into the given colors using the smallest possible number of steps. On each step you can choose a vertex *v* and a color *x*, and then color all vectices in the subtree of *v* (including *v* itself) in color *x*. In other words, for every vertex *u*, such that the path from root to *u* passes through *v*, set *c**u*<==<=*x*.
It is guaranteed that you have to color each vertex in a color different from 0.
You can learn what a rooted tree is using the link: [https://en.wikipedia.org/wiki/Tree_(graph_theory)](https://en.wikipedia.org/wiki/Tree_(graph_theory)).
|
The first line contains a single integer *n* (2<=≤<=*n*<=≤<=104) — the number of vertices in the tree.
The second line contains *n*<=-<=1 integers *p*2,<=*p*3,<=...,<=*p**n* (1<=≤<=*p**i*<=<<=*i*), where *p**i* means that there is an edge between vertices *i* and *p**i*.
The third line contains *n* integers *c*1,<=*c*2,<=...,<=*c**n* (1<=≤<=*c**i*<=≤<=*n*), where *c**i* is the color you should color the *i*-th vertex into.
It is guaranteed that the given graph is a tree.
|
Print a single integer — the minimum number of steps you have to perform to color the tree into given colors.
|
[
"6\n1 2 2 1 5\n2 1 1 1 1 1\n",
"7\n1 1 2 3 1 4\n3 3 1 1 1 2 3\n"
] |
[
"3\n",
"5\n"
] |
The tree from the first sample is shown on the picture (numbers are vetices' indices):
<img class="tex-graphics" src="https://espresso.codeforces.com/10324ccdc37f95343acc4f3c6050d8c334334ffa.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On first step we color all vertices in the subtree of vertex 1 into color 2 (numbers are colors):
<img class="tex-graphics" src="https://espresso.codeforces.com/1c7bb267e2c1a006132248a43121400189309e2f.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On seond step we color all vertices in the subtree of vertex 5 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/2201a6d49b89ba850ff0d0bdcbb3f8e9dd3871a8.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On third step we color all vertices in the subtree of vertex 2 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/6fa977fcdebdde94c47695151e0427b33d0102c5.png" style="max-width: 100.0%;max-height: 100.0%;"/>
The tree from the second sample is shown on the picture (numbers are vetices' indices):
<img class="tex-graphics" src="https://espresso.codeforces.com/d70f9ae72a2ed429dd6531cac757e375dd3c953d.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On first step we color all vertices in the subtree of vertex 1 into color 3 (numbers are colors):
<img class="tex-graphics" src="https://espresso.codeforces.com/7289e8895d0dd56c47b6b17969b9cf77b36786b5.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On second step we color all vertices in the subtree of vertex 3 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/819001df7229138db3a407713744d1e3be88b64e.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On third step we color all vertices in the subtree of vertex 6 into color 2:
<img class="tex-graphics" src="https://espresso.codeforces.com/80ebbd870a0a339636a21b9acdaf9de046458b43.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On fourth step we color all vertices in the subtree of vertex 4 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/ed836aa723ac0176abde4e32988e3ac205014e93.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On fith step we color all vertices in the subtree of vertex 7 into color 3:
<img class="tex-graphics" src="https://espresso.codeforces.com/8132909e11b41c27b8df2f0b0c10bc841f35e58a.png" style="max-width: 100.0%;max-height: 100.0%;"/>
| 1,000
|
[
{
"input": "6\n1 2 2 1 5\n2 1 1 1 1 1",
"output": "3"
},
{
"input": "7\n1 1 2 3 1 4\n3 3 1 1 1 2 3",
"output": "5"
},
{
"input": "2\n1\n2 2",
"output": "1"
},
{
"input": "3\n1 1\n2 2 2",
"output": "1"
},
{
"input": "4\n1 2 1\n1 2 3 4",
"output": "4"
},
{
"input": "4\n1 2 3\n4 1 2 4",
"output": "4"
},
{
"input": "5\n1 2 1 4\n1 1 1 2 2",
"output": "2"
},
{
"input": "3\n1 2\n2 1 1",
"output": "2"
},
{
"input": "4\n1 1 1\n3 1 3 1",
"output": "3"
},
{
"input": "4\n1 1 2\n4 1 4 1",
"output": "2"
},
{
"input": "4\n1 2 2\n3 1 2 3",
"output": "4"
},
{
"input": "3\n1 1\n1 2 2",
"output": "3"
}
] | 1,524,490,507
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 17
| 108
| 8,806,400
|
def dfs(node,color):
ans=0
if (color!=c[node]):
color=c[node]
ans+=1
for i in child[node]:
ans+=dfs(i,color)
return ans
n=int(input())
parent=[0]+list(map(int,input().split()))
c=list(map(int,input().split()))
child=[[]for i in range(n)]
for i in range(1,n):
child[parent[i]-1].append(i)
print(dfs(0,0))
|
Title: Coloring a Tree
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
You are given a rooted tree with *n* vertices. The vertices are numbered from 1 to *n*, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex *v* by *c**v*. Initially *c**v*<==<=0.
You have to color the tree into the given colors using the smallest possible number of steps. On each step you can choose a vertex *v* and a color *x*, and then color all vectices in the subtree of *v* (including *v* itself) in color *x*. In other words, for every vertex *u*, such that the path from root to *u* passes through *v*, set *c**u*<==<=*x*.
It is guaranteed that you have to color each vertex in a color different from 0.
You can learn what a rooted tree is using the link: [https://en.wikipedia.org/wiki/Tree_(graph_theory)](https://en.wikipedia.org/wiki/Tree_(graph_theory)).
Input Specification:
The first line contains a single integer *n* (2<=≤<=*n*<=≤<=104) — the number of vertices in the tree.
The second line contains *n*<=-<=1 integers *p*2,<=*p*3,<=...,<=*p**n* (1<=≤<=*p**i*<=<<=*i*), where *p**i* means that there is an edge between vertices *i* and *p**i*.
The third line contains *n* integers *c*1,<=*c*2,<=...,<=*c**n* (1<=≤<=*c**i*<=≤<=*n*), where *c**i* is the color you should color the *i*-th vertex into.
It is guaranteed that the given graph is a tree.
Output Specification:
Print a single integer — the minimum number of steps you have to perform to color the tree into given colors.
Demo Input:
['6\n1 2 2 1 5\n2 1 1 1 1 1\n', '7\n1 1 2 3 1 4\n3 3 1 1 1 2 3\n']
Demo Output:
['3\n', '5\n']
Note:
The tree from the first sample is shown on the picture (numbers are vetices' indices):
<img class="tex-graphics" src="https://espresso.codeforces.com/10324ccdc37f95343acc4f3c6050d8c334334ffa.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On first step we color all vertices in the subtree of vertex 1 into color 2 (numbers are colors):
<img class="tex-graphics" src="https://espresso.codeforces.com/1c7bb267e2c1a006132248a43121400189309e2f.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On seond step we color all vertices in the subtree of vertex 5 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/2201a6d49b89ba850ff0d0bdcbb3f8e9dd3871a8.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On third step we color all vertices in the subtree of vertex 2 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/6fa977fcdebdde94c47695151e0427b33d0102c5.png" style="max-width: 100.0%;max-height: 100.0%;"/>
The tree from the second sample is shown on the picture (numbers are vetices' indices):
<img class="tex-graphics" src="https://espresso.codeforces.com/d70f9ae72a2ed429dd6531cac757e375dd3c953d.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On first step we color all vertices in the subtree of vertex 1 into color 3 (numbers are colors):
<img class="tex-graphics" src="https://espresso.codeforces.com/7289e8895d0dd56c47b6b17969b9cf77b36786b5.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On second step we color all vertices in the subtree of vertex 3 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/819001df7229138db3a407713744d1e3be88b64e.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On third step we color all vertices in the subtree of vertex 6 into color 2:
<img class="tex-graphics" src="https://espresso.codeforces.com/80ebbd870a0a339636a21b9acdaf9de046458b43.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On fourth step we color all vertices in the subtree of vertex 4 into color 1:
<img class="tex-graphics" src="https://espresso.codeforces.com/ed836aa723ac0176abde4e32988e3ac205014e93.png" style="max-width: 100.0%;max-height: 100.0%;"/>
On fith step we color all vertices in the subtree of vertex 7 into color 3:
<img class="tex-graphics" src="https://espresso.codeforces.com/8132909e11b41c27b8df2f0b0c10bc841f35e58a.png" style="max-width: 100.0%;max-height: 100.0%;"/>
|
```python
def dfs(node,color):
ans=0
if (color!=c[node]):
color=c[node]
ans+=1
for i in child[node]:
ans+=dfs(i,color)
return ans
n=int(input())
parent=[0]+list(map(int,input().split()))
c=list(map(int,input().split()))
child=[[]for i in range(n)]
for i in range(1,n):
child[parent[i]-1].append(i)
print(dfs(0,0))
```
| -1
|
|
160
|
A
|
Twins
|
PROGRAMMING
| 900
|
[
"greedy",
"sortings"
] | null | null |
Imagine that you have a twin brother or sister. Having another person that looks exactly like you seems very unusual. It's hard to say if having something of an alter ego is good or bad. And if you do have a twin, then you very well know what it's like.
Now let's imagine a typical morning in your family. You haven't woken up yet, and Mom is already going to work. She has been so hasty that she has nearly forgotten to leave the two of her darling children some money to buy lunches in the school cafeteria. She fished in the purse and found some number of coins, or to be exact, *n* coins of arbitrary values *a*1,<=*a*2,<=...,<=*a**n*. But as Mom was running out of time, she didn't split the coins for you two. So she scribbled a note asking you to split the money equally.
As you woke up, you found Mom's coins and read her note. "But why split the money equally?" — you thought. After all, your twin is sleeping and he won't know anything. So you decided to act like that: pick for yourself some subset of coins so that the sum of values of your coins is strictly larger than the sum of values of the remaining coins that your twin will have. However, you correctly thought that if you take too many coins, the twin will suspect the deception. So, you've decided to stick to the following strategy to avoid suspicions: you take the minimum number of coins, whose sum of values is strictly more than the sum of values of the remaining coins. On this basis, determine what minimum number of coins you need to take to divide them in the described manner.
|
The first line contains integer *n* (1<=≤<=*n*<=≤<=100) — the number of coins. The second line contains a sequence of *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=100) — the coins' values. All numbers are separated with spaces.
|
In the single line print the single number — the minimum needed number of coins.
|
[
"2\n3 3\n",
"3\n2 1 2\n"
] |
[
"2\n",
"2\n"
] |
In the first sample you will have to take 2 coins (you and your twin have sums equal to 6, 0 correspondingly). If you take 1 coin, you get sums 3, 3. If you take 0 coins, you get sums 0, 6. Those variants do not satisfy you as your sum should be strictly more that your twins' sum.
In the second sample one coin isn't enough for us, too. You can pick coins with values 1, 2 or 2, 2. In any case, the minimum number of coins equals 2.
| 500
|
[
{
"input": "2\n3 3",
"output": "2"
},
{
"input": "3\n2 1 2",
"output": "2"
},
{
"input": "1\n5",
"output": "1"
},
{
"input": "5\n4 2 2 2 2",
"output": "3"
},
{
"input": "7\n1 10 1 2 1 1 1",
"output": "1"
},
{
"input": "5\n3 2 3 3 1",
"output": "3"
},
{
"input": "2\n2 1",
"output": "1"
},
{
"input": "3\n2 1 3",
"output": "2"
},
{
"input": "6\n1 1 1 1 1 1",
"output": "4"
},
{
"input": "7\n10 10 5 5 5 5 1",
"output": "3"
},
{
"input": "20\n2 1 2 2 2 1 1 2 1 2 2 1 1 1 1 2 1 1 1 1",
"output": "8"
},
{
"input": "20\n4 2 4 4 3 4 2 2 4 2 3 1 1 2 2 3 3 3 1 4",
"output": "8"
},
{
"input": "20\n35 26 41 40 45 46 22 26 39 23 11 15 47 42 18 15 27 10 45 40",
"output": "8"
},
{
"input": "20\n7 84 100 10 31 35 41 2 63 44 57 4 63 11 23 49 98 71 16 90",
"output": "6"
},
{
"input": "50\n19 2 12 26 17 27 10 26 17 17 5 24 11 15 3 9 16 18 19 1 25 23 18 6 2 7 25 7 21 25 13 29 16 9 25 3 14 30 18 4 10 28 6 10 8 2 2 4 8 28",
"output": "14"
},
{
"input": "70\n2 18 18 47 25 5 14 9 19 46 36 49 33 32 38 23 32 39 8 29 31 17 24 21 10 15 33 37 46 21 22 11 20 35 39 13 11 30 28 40 39 47 1 17 24 24 21 46 12 2 20 43 8 16 44 11 45 10 13 44 31 45 45 46 11 10 33 35 23 42",
"output": "22"
},
{
"input": "100\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "51"
},
{
"input": "100\n1 2 2 1 2 1 1 2 1 1 1 2 2 1 1 1 2 2 2 1 2 1 1 1 1 1 2 1 2 1 2 1 2 1 2 1 1 1 2 1 1 1 1 1 2 2 1 2 1 2 1 2 2 2 1 2 1 2 2 1 1 2 2 1 1 2 2 2 1 1 2 1 1 2 2 1 2 1 1 2 2 1 2 1 1 2 2 1 1 1 1 2 1 1 1 1 2 2 2 2",
"output": "37"
},
{
"input": "100\n1 2 3 2 1 2 2 3 1 3 3 2 2 1 1 2 2 1 1 1 1 2 3 3 2 1 1 2 2 2 3 3 3 2 1 3 1 3 3 2 3 1 2 2 2 3 2 1 1 3 3 3 3 2 1 1 2 3 2 2 3 2 3 2 2 3 2 2 2 2 3 3 3 1 3 3 1 1 2 3 2 2 2 2 3 3 3 2 1 2 3 1 1 2 3 3 1 3 3 2",
"output": "36"
},
{
"input": "100\n5 5 4 3 5 1 2 5 1 1 3 5 4 4 1 1 1 1 5 4 4 5 1 5 5 1 2 1 3 1 5 1 3 3 3 2 2 2 1 1 5 1 3 4 1 1 3 2 5 2 2 5 5 4 4 1 3 4 3 3 4 5 3 3 3 1 2 1 4 2 4 4 1 5 1 3 5 5 5 5 3 4 4 3 1 2 5 2 3 5 4 2 4 5 3 2 4 2 4 3",
"output": "33"
},
{
"input": "100\n3 4 8 10 8 6 4 3 7 7 6 2 3 1 3 10 1 7 9 3 5 5 2 6 2 9 1 7 4 2 4 1 6 1 7 10 2 5 3 7 6 4 6 2 8 8 8 6 6 10 3 7 4 3 4 1 7 9 3 6 3 6 1 4 9 3 8 1 10 1 4 10 7 7 9 5 3 8 10 2 1 10 8 7 10 8 5 3 1 2 1 10 6 1 5 3 3 5 7 2",
"output": "30"
},
{
"input": "100\n16 9 11 8 11 4 9 17 4 8 4 10 9 10 6 3 3 15 1 6 1 15 12 18 6 14 13 18 1 7 18 4 10 7 10 12 3 16 14 4 10 8 10 7 19 13 15 1 4 8 16 10 6 4 3 16 11 10 7 3 4 16 1 20 1 11 4 16 10 7 7 12 18 19 3 17 19 3 4 19 2 12 11 3 18 20 2 2 14 4 20 13 13 11 16 20 19 14 7 2",
"output": "29"
},
{
"input": "100\n2 46 4 6 38 19 15 34 10 35 37 30 3 25 5 45 40 45 33 31 6 20 10 44 11 9 2 14 35 5 9 23 20 2 48 22 25 35 38 31 24 33 35 16 4 30 27 10 12 22 6 24 12 30 23 21 14 12 32 21 7 12 25 43 18 34 34 28 47 13 28 43 18 39 44 42 35 26 35 14 8 29 32 20 29 3 20 6 20 9 9 27 8 42 10 37 42 27 8 1",
"output": "30"
},
{
"input": "100\n85 50 17 89 65 89 5 20 86 26 16 21 85 14 44 31 87 31 6 2 48 67 8 80 79 1 48 36 97 1 5 30 79 50 78 12 2 55 76 100 54 40 26 81 97 96 68 56 87 14 51 17 54 37 52 33 69 62 38 63 74 15 62 78 9 19 67 2 60 58 93 60 18 96 55 48 34 7 79 82 32 58 90 67 20 50 27 15 7 89 98 10 11 15 99 49 4 51 77 52",
"output": "29"
},
{
"input": "100\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100",
"output": "30"
},
{
"input": "1\n1",
"output": "1"
},
{
"input": "4\n4 1 2 3",
"output": "2"
},
{
"input": "5\n2 2 2 4 4",
"output": "2"
},
{
"input": "4\n100 99 99 100",
"output": "2"
}
] | 1,693,844,363
| 2,147,483,647
|
Python 3
|
COMPILATION_ERROR
|
TESTS
| 0
| 0
| 0
|
#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main(){
int a;
cin >> a;
int B[a];
int sum = 0, sum2 = 0, count = 0;
for(int i = 0; i < a; i++){
cin >> B[i];
sum+=B[i];
}
sum = sum / 2;
sort(B, B + a);
for(int j = a - 1; j >= 0; j--){
sum2 += B[j];
count++;
if(sum < sum2)break;
}
cout << count;
}
|
Title: Twins
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Imagine that you have a twin brother or sister. Having another person that looks exactly like you seems very unusual. It's hard to say if having something of an alter ego is good or bad. And if you do have a twin, then you very well know what it's like.
Now let's imagine a typical morning in your family. You haven't woken up yet, and Mom is already going to work. She has been so hasty that she has nearly forgotten to leave the two of her darling children some money to buy lunches in the school cafeteria. She fished in the purse and found some number of coins, or to be exact, *n* coins of arbitrary values *a*1,<=*a*2,<=...,<=*a**n*. But as Mom was running out of time, she didn't split the coins for you two. So she scribbled a note asking you to split the money equally.
As you woke up, you found Mom's coins and read her note. "But why split the money equally?" — you thought. After all, your twin is sleeping and he won't know anything. So you decided to act like that: pick for yourself some subset of coins so that the sum of values of your coins is strictly larger than the sum of values of the remaining coins that your twin will have. However, you correctly thought that if you take too many coins, the twin will suspect the deception. So, you've decided to stick to the following strategy to avoid suspicions: you take the minimum number of coins, whose sum of values is strictly more than the sum of values of the remaining coins. On this basis, determine what minimum number of coins you need to take to divide them in the described manner.
Input Specification:
The first line contains integer *n* (1<=≤<=*n*<=≤<=100) — the number of coins. The second line contains a sequence of *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=100) — the coins' values. All numbers are separated with spaces.
Output Specification:
In the single line print the single number — the minimum needed number of coins.
Demo Input:
['2\n3 3\n', '3\n2 1 2\n']
Demo Output:
['2\n', '2\n']
Note:
In the first sample you will have to take 2 coins (you and your twin have sums equal to 6, 0 correspondingly). If you take 1 coin, you get sums 3, 3. If you take 0 coins, you get sums 0, 6. Those variants do not satisfy you as your sum should be strictly more that your twins' sum.
In the second sample one coin isn't enough for us, too. You can pick coins with values 1, 2 or 2, 2. In any case, the minimum number of coins equals 2.
|
```python
#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main(){
int a;
cin >> a;
int B[a];
int sum = 0, sum2 = 0, count = 0;
for(int i = 0; i < a; i++){
cin >> B[i];
sum+=B[i];
}
sum = sum / 2;
sort(B, B + a);
for(int j = a - 1; j >= 0; j--){
sum2 += B[j];
count++;
if(sum < sum2)break;
}
cout << count;
}
```
| -1
|
|
614
|
A
|
Link/Cut Tree
|
PROGRAMMING
| 1,500
|
[
"brute force",
"implementation"
] | null | null |
Programmer Rostislav got seriously interested in the Link/Cut Tree data structure, which is based on Splay trees. Specifically, he is now studying the *expose* procedure.
Unfortunately, Rostislav is unable to understand the definition of this procedure, so he decided to ask programmer Serezha to help him. Serezha agreed to help if Rostislav solves a simple task (and if he doesn't, then why would he need Splay trees anyway?)
Given integers *l*, *r* and *k*, you need to print all powers of number *k* within range from *l* to *r* inclusive. However, Rostislav doesn't want to spent time doing this, as he got interested in playing a network game called Agar with Gleb. Help him!
|
The first line of the input contains three space-separated integers *l*, *r* and *k* (1<=≤<=*l*<=≤<=*r*<=≤<=1018, 2<=≤<=*k*<=≤<=109).
|
Print all powers of number *k*, that lie within range from *l* to *r* in the increasing order. If there are no such numbers, print "-1" (without the quotes).
|
[
"1 10 2\n",
"2 4 5\n"
] |
[
"1 2 4 8 ",
"-1"
] |
Note to the first sample: numbers 2<sup class="upper-index">0</sup> = 1, 2<sup class="upper-index">1</sup> = 2, 2<sup class="upper-index">2</sup> = 4, 2<sup class="upper-index">3</sup> = 8 lie within the specified range. The number 2<sup class="upper-index">4</sup> = 16 is greater then 10, thus it shouldn't be printed.
| 500
|
[
{
"input": "1 10 2",
"output": "1 2 4 8 "
},
{
"input": "2 4 5",
"output": "-1"
},
{
"input": "18102 43332383920 28554",
"output": "28554 815330916 "
},
{
"input": "19562 31702689720 17701",
"output": "313325401 "
},
{
"input": "11729 55221128400 313",
"output": "97969 30664297 9597924961 "
},
{
"input": "5482 100347128000 342",
"output": "116964 40001688 13680577296 "
},
{
"input": "3680 37745933600 10",
"output": "10000 100000 1000000 10000000 100000000 1000000000 10000000000 "
},
{
"input": "17098 191120104800 43",
"output": "79507 3418801 147008443 6321363049 "
},
{
"input": "10462 418807699200 2",
"output": "16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864 134217728 268435456 536870912 1073741824 2147483648 4294967296 8589934592 17179869184 34359738368 68719476736 137438953472 274877906944 "
},
{
"input": "30061 641846400000 3",
"output": "59049 177147 531441 1594323 4782969 14348907 43046721 129140163 387420489 1162261467 3486784401 10460353203 31381059609 94143178827 282429536481 "
},
{
"input": "1 1000000000000000000 2",
"output": "1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864 134217728 268435456 536870912 1073741824 2147483648 4294967296 8589934592 17179869184 34359738368 68719476736 137438953472 274877906944 549755813888 1099511627776 2199023255552 4398046511104 8796093022208 17592186044416 35184372088832 70368744177664 140737488355328 281474976710656 562949953421312 1125899906842624 2251799813685248 4503599627370496 900719925474099..."
},
{
"input": "32 2498039712000 4",
"output": "64 256 1024 4096 16384 65536 262144 1048576 4194304 16777216 67108864 268435456 1073741824 4294967296 17179869184 68719476736 274877906944 1099511627776 "
},
{
"input": "1 2576683920000 2",
"output": "1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864 134217728 268435456 536870912 1073741824 2147483648 4294967296 8589934592 17179869184 34359738368 68719476736 137438953472 274877906944 549755813888 1099511627776 2199023255552 "
},
{
"input": "5 25 5",
"output": "5 25 "
},
{
"input": "1 90 90",
"output": "1 90 "
},
{
"input": "95 2200128528000 68",
"output": "4624 314432 21381376 1453933568 98867482624 "
},
{
"input": "64 426314644000 53",
"output": "2809 148877 7890481 418195493 22164361129 "
},
{
"input": "198765 198765 198765",
"output": "198765 "
},
{
"input": "42 2845016496000 12",
"output": "144 1728 20736 248832 2985984 35831808 429981696 5159780352 61917364224 743008370688 "
},
{
"input": "6 6 3",
"output": "-1"
},
{
"input": "1 10 11",
"output": "1 "
},
{
"input": "2 10 11",
"output": "-1"
},
{
"input": "87 160 41",
"output": "-1"
},
{
"input": "237171123124584251 923523399718980912 7150",
"output": "-1"
},
{
"input": "101021572000739548 453766043506276015 8898",
"output": "-1"
},
{
"input": "366070689449360724 928290634811046396 8230",
"output": "-1"
},
{
"input": "438133886369772308 942612870269666780 7193",
"output": "-1"
},
{
"input": "10 10 10",
"output": "10 "
},
{
"input": "16 16 256",
"output": "-1"
},
{
"input": "1 1000000000000000000 1000000000",
"output": "1 1000000000 1000000000000000000 "
},
{
"input": "1000000000000000000 1000000000000000000 1000000000",
"output": "1000000000000000000 "
},
{
"input": "1000000000 1000000000000000000 1000000000",
"output": "1000000000 1000000000000000000 "
},
{
"input": "1 1 4",
"output": "1 "
},
{
"input": "1 999999999999999999 1000000000",
"output": "1 1000000000 "
},
{
"input": "1 1000000000000000000 999999990",
"output": "1 999999990 999999980000000100 "
},
{
"input": "1 1000000000000000000 999999984",
"output": "1 999999984 999999968000000256 "
},
{
"input": "1 1000000000000000000 324325",
"output": "1 324325 105186705625 34114678301828125 "
},
{
"input": "1 1000000000000000000 999999523",
"output": "1 999999523 999999046000227529 "
},
{
"input": "1 243 3",
"output": "1 3 9 27 81 243 "
},
{
"input": "62769392426654367 567152589733560993 688813",
"output": "326816522793383797 "
},
{
"input": "1 1000000000000000000 690852001",
"output": "1 690852001 477276487285704001 "
},
{
"input": "1 1000000000000000000 918745157",
"output": "1 918745157 844092663510954649 "
},
{
"input": "1 1000000000000000000 131299843",
"output": "1 131299843 17239648771824649 "
},
{
"input": "2861381721051425 2861381721051425 1234",
"output": "-1"
}
] | 1,650,155,557
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 44
| 92
| 0
|
ss = [int(i) for i in input().split(" ")]
l = ss[0]
r = ss[1]
k = ss[2]
ans = []
res = 1
while res <= r:
if l <= res <= r:
ans.append(res)
res *= k
if len(ans) == 0:
print("-1")
else:
print(" ".join([str(i) for i in ans]));
|
Title: Link/Cut Tree
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Programmer Rostislav got seriously interested in the Link/Cut Tree data structure, which is based on Splay trees. Specifically, he is now studying the *expose* procedure.
Unfortunately, Rostislav is unable to understand the definition of this procedure, so he decided to ask programmer Serezha to help him. Serezha agreed to help if Rostislav solves a simple task (and if he doesn't, then why would he need Splay trees anyway?)
Given integers *l*, *r* and *k*, you need to print all powers of number *k* within range from *l* to *r* inclusive. However, Rostislav doesn't want to spent time doing this, as he got interested in playing a network game called Agar with Gleb. Help him!
Input Specification:
The first line of the input contains three space-separated integers *l*, *r* and *k* (1<=≤<=*l*<=≤<=*r*<=≤<=1018, 2<=≤<=*k*<=≤<=109).
Output Specification:
Print all powers of number *k*, that lie within range from *l* to *r* in the increasing order. If there are no such numbers, print "-1" (without the quotes).
Demo Input:
['1 10 2\n', '2 4 5\n']
Demo Output:
['1 2 4 8 ', '-1']
Note:
Note to the first sample: numbers 2<sup class="upper-index">0</sup> = 1, 2<sup class="upper-index">1</sup> = 2, 2<sup class="upper-index">2</sup> = 4, 2<sup class="upper-index">3</sup> = 8 lie within the specified range. The number 2<sup class="upper-index">4</sup> = 16 is greater then 10, thus it shouldn't be printed.
|
```python
ss = [int(i) for i in input().split(" ")]
l = ss[0]
r = ss[1]
k = ss[2]
ans = []
res = 1
while res <= r:
if l <= res <= r:
ans.append(res)
res *= k
if len(ans) == 0:
print("-1")
else:
print(" ".join([str(i) for i in ans]));
```
| 3
|
|
785
|
A
|
Anton and Polyhedrons
|
PROGRAMMING
| 800
|
[
"implementation",
"strings"
] | null | null |
Anton's favourite geometric figures are regular polyhedrons. Note that there are five kinds of regular polyhedrons:
- Tetrahedron. Tetrahedron has 4 triangular faces. - Cube. Cube has 6 square faces. - Octahedron. Octahedron has 8 triangular faces. - Dodecahedron. Dodecahedron has 12 pentagonal faces. - Icosahedron. Icosahedron has 20 triangular faces.
All five kinds of polyhedrons are shown on the picture below:
Anton has a collection of *n* polyhedrons. One day he decided to know, how many faces his polyhedrons have in total. Help Anton and find this number!
|
The first line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=200<=000) — the number of polyhedrons in Anton's collection.
Each of the following *n* lines of the input contains a string *s**i* — the name of the *i*-th polyhedron in Anton's collection. The string can look like this:
- "Tetrahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is a tetrahedron. - "Cube" (without quotes), if the *i*-th polyhedron in Anton's collection is a cube. - "Octahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is an octahedron. - "Dodecahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is a dodecahedron. - "Icosahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is an icosahedron.
|
Output one number — the total number of faces in all the polyhedrons in Anton's collection.
|
[
"4\nIcosahedron\nCube\nTetrahedron\nDodecahedron\n",
"3\nDodecahedron\nOctahedron\nOctahedron\n"
] |
[
"42\n",
"28\n"
] |
In the first sample Anton has one icosahedron, one cube, one tetrahedron and one dodecahedron. Icosahedron has 20 faces, cube has 6 faces, tetrahedron has 4 faces and dodecahedron has 12 faces. In total, they have 20 + 6 + 4 + 12 = 42 faces.
| 500
|
[
{
"input": "4\nIcosahedron\nCube\nTetrahedron\nDodecahedron",
"output": "42"
},
{
"input": "3\nDodecahedron\nOctahedron\nOctahedron",
"output": "28"
},
{
"input": "25\nIcosahedron\nOctahedron\nTetrahedron\nDodecahedron\nCube\nIcosahedron\nOctahedron\nCube\nTetrahedron\nIcosahedron\nIcosahedron\nTetrahedron\nOctahedron\nDodecahedron\nIcosahedron\nOctahedron\nIcosahedron\nTetrahedron\nDodecahedron\nTetrahedron\nOctahedron\nCube\nCube\nDodecahedron\nTetrahedron",
"output": "256"
},
{
"input": "1\nTetrahedron",
"output": "4"
},
{
"input": "1\nCube",
"output": "6"
},
{
"input": "1\nOctahedron",
"output": "8"
},
{
"input": "1\nDodecahedron",
"output": "12"
},
{
"input": "1\nIcosahedron",
"output": "20"
},
{
"input": "28\nOctahedron\nDodecahedron\nOctahedron\nOctahedron\nDodecahedron\nIcosahedron\nIcosahedron\nDodecahedron\nDodecahedron\nDodecahedron\nCube\nDodecahedron\nCube\nTetrahedron\nCube\nCube\nTetrahedron\nDodecahedron\nDodecahedron\nDodecahedron\nIcosahedron\nIcosahedron\nDodecahedron\nIcosahedron\nDodecahedron\nDodecahedron\nIcosahedron\nIcosahedron",
"output": "340"
}
] | 1,676,323,393
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 30
| 280
| 0
|
num = int(input())
dec_form = {'tetrahedron':4,'cube':6,'octahedron':8,'dodecahedron':12,'icosahedron':20}
sumation = 0
for i in range(num):
form = input().lower()
sumation += dec_form.get(form)
print(sumation)
|
Title: Anton and Polyhedrons
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Anton's favourite geometric figures are regular polyhedrons. Note that there are five kinds of regular polyhedrons:
- Tetrahedron. Tetrahedron has 4 triangular faces. - Cube. Cube has 6 square faces. - Octahedron. Octahedron has 8 triangular faces. - Dodecahedron. Dodecahedron has 12 pentagonal faces. - Icosahedron. Icosahedron has 20 triangular faces.
All five kinds of polyhedrons are shown on the picture below:
Anton has a collection of *n* polyhedrons. One day he decided to know, how many faces his polyhedrons have in total. Help Anton and find this number!
Input Specification:
The first line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=200<=000) — the number of polyhedrons in Anton's collection.
Each of the following *n* lines of the input contains a string *s**i* — the name of the *i*-th polyhedron in Anton's collection. The string can look like this:
- "Tetrahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is a tetrahedron. - "Cube" (without quotes), if the *i*-th polyhedron in Anton's collection is a cube. - "Octahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is an octahedron. - "Dodecahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is a dodecahedron. - "Icosahedron" (without quotes), if the *i*-th polyhedron in Anton's collection is an icosahedron.
Output Specification:
Output one number — the total number of faces in all the polyhedrons in Anton's collection.
Demo Input:
['4\nIcosahedron\nCube\nTetrahedron\nDodecahedron\n', '3\nDodecahedron\nOctahedron\nOctahedron\n']
Demo Output:
['42\n', '28\n']
Note:
In the first sample Anton has one icosahedron, one cube, one tetrahedron and one dodecahedron. Icosahedron has 20 faces, cube has 6 faces, tetrahedron has 4 faces and dodecahedron has 12 faces. In total, they have 20 + 6 + 4 + 12 = 42 faces.
|
```python
num = int(input())
dec_form = {'tetrahedron':4,'cube':6,'octahedron':8,'dodecahedron':12,'icosahedron':20}
sumation = 0
for i in range(num):
form = input().lower()
sumation += dec_form.get(form)
print(sumation)
```
| 3
|
|
160
|
A
|
Twins
|
PROGRAMMING
| 900
|
[
"greedy",
"sortings"
] | null | null |
Imagine that you have a twin brother or sister. Having another person that looks exactly like you seems very unusual. It's hard to say if having something of an alter ego is good or bad. And if you do have a twin, then you very well know what it's like.
Now let's imagine a typical morning in your family. You haven't woken up yet, and Mom is already going to work. She has been so hasty that she has nearly forgotten to leave the two of her darling children some money to buy lunches in the school cafeteria. She fished in the purse and found some number of coins, or to be exact, *n* coins of arbitrary values *a*1,<=*a*2,<=...,<=*a**n*. But as Mom was running out of time, she didn't split the coins for you two. So she scribbled a note asking you to split the money equally.
As you woke up, you found Mom's coins and read her note. "But why split the money equally?" — you thought. After all, your twin is sleeping and he won't know anything. So you decided to act like that: pick for yourself some subset of coins so that the sum of values of your coins is strictly larger than the sum of values of the remaining coins that your twin will have. However, you correctly thought that if you take too many coins, the twin will suspect the deception. So, you've decided to stick to the following strategy to avoid suspicions: you take the minimum number of coins, whose sum of values is strictly more than the sum of values of the remaining coins. On this basis, determine what minimum number of coins you need to take to divide them in the described manner.
|
The first line contains integer *n* (1<=≤<=*n*<=≤<=100) — the number of coins. The second line contains a sequence of *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=100) — the coins' values. All numbers are separated with spaces.
|
In the single line print the single number — the minimum needed number of coins.
|
[
"2\n3 3\n",
"3\n2 1 2\n"
] |
[
"2\n",
"2\n"
] |
In the first sample you will have to take 2 coins (you and your twin have sums equal to 6, 0 correspondingly). If you take 1 coin, you get sums 3, 3. If you take 0 coins, you get sums 0, 6. Those variants do not satisfy you as your sum should be strictly more that your twins' sum.
In the second sample one coin isn't enough for us, too. You can pick coins with values 1, 2 or 2, 2. In any case, the minimum number of coins equals 2.
| 500
|
[
{
"input": "2\n3 3",
"output": "2"
},
{
"input": "3\n2 1 2",
"output": "2"
},
{
"input": "1\n5",
"output": "1"
},
{
"input": "5\n4 2 2 2 2",
"output": "3"
},
{
"input": "7\n1 10 1 2 1 1 1",
"output": "1"
},
{
"input": "5\n3 2 3 3 1",
"output": "3"
},
{
"input": "2\n2 1",
"output": "1"
},
{
"input": "3\n2 1 3",
"output": "2"
},
{
"input": "6\n1 1 1 1 1 1",
"output": "4"
},
{
"input": "7\n10 10 5 5 5 5 1",
"output": "3"
},
{
"input": "20\n2 1 2 2 2 1 1 2 1 2 2 1 1 1 1 2 1 1 1 1",
"output": "8"
},
{
"input": "20\n4 2 4 4 3 4 2 2 4 2 3 1 1 2 2 3 3 3 1 4",
"output": "8"
},
{
"input": "20\n35 26 41 40 45 46 22 26 39 23 11 15 47 42 18 15 27 10 45 40",
"output": "8"
},
{
"input": "20\n7 84 100 10 31 35 41 2 63 44 57 4 63 11 23 49 98 71 16 90",
"output": "6"
},
{
"input": "50\n19 2 12 26 17 27 10 26 17 17 5 24 11 15 3 9 16 18 19 1 25 23 18 6 2 7 25 7 21 25 13 29 16 9 25 3 14 30 18 4 10 28 6 10 8 2 2 4 8 28",
"output": "14"
},
{
"input": "70\n2 18 18 47 25 5 14 9 19 46 36 49 33 32 38 23 32 39 8 29 31 17 24 21 10 15 33 37 46 21 22 11 20 35 39 13 11 30 28 40 39 47 1 17 24 24 21 46 12 2 20 43 8 16 44 11 45 10 13 44 31 45 45 46 11 10 33 35 23 42",
"output": "22"
},
{
"input": "100\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "51"
},
{
"input": "100\n1 2 2 1 2 1 1 2 1 1 1 2 2 1 1 1 2 2 2 1 2 1 1 1 1 1 2 1 2 1 2 1 2 1 2 1 1 1 2 1 1 1 1 1 2 2 1 2 1 2 1 2 2 2 1 2 1 2 2 1 1 2 2 1 1 2 2 2 1 1 2 1 1 2 2 1 2 1 1 2 2 1 2 1 1 2 2 1 1 1 1 2 1 1 1 1 2 2 2 2",
"output": "37"
},
{
"input": "100\n1 2 3 2 1 2 2 3 1 3 3 2 2 1 1 2 2 1 1 1 1 2 3 3 2 1 1 2 2 2 3 3 3 2 1 3 1 3 3 2 3 1 2 2 2 3 2 1 1 3 3 3 3 2 1 1 2 3 2 2 3 2 3 2 2 3 2 2 2 2 3 3 3 1 3 3 1 1 2 3 2 2 2 2 3 3 3 2 1 2 3 1 1 2 3 3 1 3 3 2",
"output": "36"
},
{
"input": "100\n5 5 4 3 5 1 2 5 1 1 3 5 4 4 1 1 1 1 5 4 4 5 1 5 5 1 2 1 3 1 5 1 3 3 3 2 2 2 1 1 5 1 3 4 1 1 3 2 5 2 2 5 5 4 4 1 3 4 3 3 4 5 3 3 3 1 2 1 4 2 4 4 1 5 1 3 5 5 5 5 3 4 4 3 1 2 5 2 3 5 4 2 4 5 3 2 4 2 4 3",
"output": "33"
},
{
"input": "100\n3 4 8 10 8 6 4 3 7 7 6 2 3 1 3 10 1 7 9 3 5 5 2 6 2 9 1 7 4 2 4 1 6 1 7 10 2 5 3 7 6 4 6 2 8 8 8 6 6 10 3 7 4 3 4 1 7 9 3 6 3 6 1 4 9 3 8 1 10 1 4 10 7 7 9 5 3 8 10 2 1 10 8 7 10 8 5 3 1 2 1 10 6 1 5 3 3 5 7 2",
"output": "30"
},
{
"input": "100\n16 9 11 8 11 4 9 17 4 8 4 10 9 10 6 3 3 15 1 6 1 15 12 18 6 14 13 18 1 7 18 4 10 7 10 12 3 16 14 4 10 8 10 7 19 13 15 1 4 8 16 10 6 4 3 16 11 10 7 3 4 16 1 20 1 11 4 16 10 7 7 12 18 19 3 17 19 3 4 19 2 12 11 3 18 20 2 2 14 4 20 13 13 11 16 20 19 14 7 2",
"output": "29"
},
{
"input": "100\n2 46 4 6 38 19 15 34 10 35 37 30 3 25 5 45 40 45 33 31 6 20 10 44 11 9 2 14 35 5 9 23 20 2 48 22 25 35 38 31 24 33 35 16 4 30 27 10 12 22 6 24 12 30 23 21 14 12 32 21 7 12 25 43 18 34 34 28 47 13 28 43 18 39 44 42 35 26 35 14 8 29 32 20 29 3 20 6 20 9 9 27 8 42 10 37 42 27 8 1",
"output": "30"
},
{
"input": "100\n85 50 17 89 65 89 5 20 86 26 16 21 85 14 44 31 87 31 6 2 48 67 8 80 79 1 48 36 97 1 5 30 79 50 78 12 2 55 76 100 54 40 26 81 97 96 68 56 87 14 51 17 54 37 52 33 69 62 38 63 74 15 62 78 9 19 67 2 60 58 93 60 18 96 55 48 34 7 79 82 32 58 90 67 20 50 27 15 7 89 98 10 11 15 99 49 4 51 77 52",
"output": "29"
},
{
"input": "100\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100",
"output": "30"
},
{
"input": "1\n1",
"output": "1"
},
{
"input": "4\n4 1 2 3",
"output": "2"
},
{
"input": "5\n2 2 2 4 4",
"output": "2"
},
{
"input": "4\n100 99 99 100",
"output": "2"
}
] | 1,690,381,975
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 29
| 184
| 0
|
n = int(input())
coins = list(map(int, input().split()))
coins.sort(reverse=True)
total = sum(coins)
s = 0
need = n
for i in range(n):
s += coins[i]
each = total - s
if s > each:
need = i + 1
break
print(need)
|
Title: Twins
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Imagine that you have a twin brother or sister. Having another person that looks exactly like you seems very unusual. It's hard to say if having something of an alter ego is good or bad. And if you do have a twin, then you very well know what it's like.
Now let's imagine a typical morning in your family. You haven't woken up yet, and Mom is already going to work. She has been so hasty that she has nearly forgotten to leave the two of her darling children some money to buy lunches in the school cafeteria. She fished in the purse and found some number of coins, or to be exact, *n* coins of arbitrary values *a*1,<=*a*2,<=...,<=*a**n*. But as Mom was running out of time, she didn't split the coins for you two. So she scribbled a note asking you to split the money equally.
As you woke up, you found Mom's coins and read her note. "But why split the money equally?" — you thought. After all, your twin is sleeping and he won't know anything. So you decided to act like that: pick for yourself some subset of coins so that the sum of values of your coins is strictly larger than the sum of values of the remaining coins that your twin will have. However, you correctly thought that if you take too many coins, the twin will suspect the deception. So, you've decided to stick to the following strategy to avoid suspicions: you take the minimum number of coins, whose sum of values is strictly more than the sum of values of the remaining coins. On this basis, determine what minimum number of coins you need to take to divide them in the described manner.
Input Specification:
The first line contains integer *n* (1<=≤<=*n*<=≤<=100) — the number of coins. The second line contains a sequence of *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=100) — the coins' values. All numbers are separated with spaces.
Output Specification:
In the single line print the single number — the minimum needed number of coins.
Demo Input:
['2\n3 3\n', '3\n2 1 2\n']
Demo Output:
['2\n', '2\n']
Note:
In the first sample you will have to take 2 coins (you and your twin have sums equal to 6, 0 correspondingly). If you take 1 coin, you get sums 3, 3. If you take 0 coins, you get sums 0, 6. Those variants do not satisfy you as your sum should be strictly more that your twins' sum.
In the second sample one coin isn't enough for us, too. You can pick coins with values 1, 2 or 2, 2. In any case, the minimum number of coins equals 2.
|
```python
n = int(input())
coins = list(map(int, input().split()))
coins.sort(reverse=True)
total = sum(coins)
s = 0
need = n
for i in range(n):
s += coins[i]
each = total - s
if s > each:
need = i + 1
break
print(need)
```
| 3
|
|
50
|
A
|
Domino piling
|
PROGRAMMING
| 800
|
[
"greedy",
"math"
] |
A. Domino piling
|
2
|
256
|
You are given a rectangular board of *M*<=×<=*N* squares. Also you are given an unlimited number of standard domino pieces of 2<=×<=1 squares. You are allowed to rotate the pieces. You are asked to place as many dominoes as possible on the board so as to meet the following conditions:
1. Each domino completely covers two squares.
2. No two dominoes overlap.
3. Each domino lies entirely inside the board. It is allowed to touch the edges of the board.
Find the maximum number of dominoes, which can be placed under these restrictions.
|
In a single line you are given two integers *M* and *N* — board sizes in squares (1<=≤<=*M*<=≤<=*N*<=≤<=16).
|
Output one number — the maximal number of dominoes, which can be placed.
|
[
"2 4\n",
"3 3\n"
] |
[
"4\n",
"4\n"
] |
none
| 500
|
[
{
"input": "2 4",
"output": "4"
},
{
"input": "3 3",
"output": "4"
},
{
"input": "1 5",
"output": "2"
},
{
"input": "1 6",
"output": "3"
},
{
"input": "1 15",
"output": "7"
},
{
"input": "1 16",
"output": "8"
},
{
"input": "2 5",
"output": "5"
},
{
"input": "2 6",
"output": "6"
},
{
"input": "2 7",
"output": "7"
},
{
"input": "2 14",
"output": "14"
},
{
"input": "2 15",
"output": "15"
},
{
"input": "1 4",
"output": "2"
},
{
"input": "2 16",
"output": "16"
},
{
"input": "3 5",
"output": "7"
},
{
"input": "3 6",
"output": "9"
},
{
"input": "3 10",
"output": "15"
},
{
"input": "3 14",
"output": "21"
},
{
"input": "3 15",
"output": "22"
},
{
"input": "3 16",
"output": "24"
},
{
"input": "5 7",
"output": "17"
},
{
"input": "16 16",
"output": "128"
},
{
"input": "15 16",
"output": "120"
},
{
"input": "2 3",
"output": "3"
},
{
"input": "15 15",
"output": "112"
},
{
"input": "14 16",
"output": "112"
},
{
"input": "11 13",
"output": "71"
},
{
"input": "5 16",
"output": "40"
},
{
"input": "8 15",
"output": "60"
},
{
"input": "2 2",
"output": "2"
},
{
"input": "3 4",
"output": "6"
},
{
"input": "4 4",
"output": "8"
},
{
"input": "1 1",
"output": "0"
},
{
"input": "1 2",
"output": "1"
},
{
"input": "1 3",
"output": "1"
},
{
"input": "14 15",
"output": "105"
}
] | 1,632,835,414
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 35
| 124
| 6,758,400
|
def product(data: list):
prodc = 1
for x in data:
prodc *= x
return prodc
data = product(list(map(int, [x.strip() for x in input().split(" ")])))
print(data//2)
|
Title: Domino piling
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
You are given a rectangular board of *M*<=×<=*N* squares. Also you are given an unlimited number of standard domino pieces of 2<=×<=1 squares. You are allowed to rotate the pieces. You are asked to place as many dominoes as possible on the board so as to meet the following conditions:
1. Each domino completely covers two squares.
2. No two dominoes overlap.
3. Each domino lies entirely inside the board. It is allowed to touch the edges of the board.
Find the maximum number of dominoes, which can be placed under these restrictions.
Input Specification:
In a single line you are given two integers *M* and *N* — board sizes in squares (1<=≤<=*M*<=≤<=*N*<=≤<=16).
Output Specification:
Output one number — the maximal number of dominoes, which can be placed.
Demo Input:
['2 4\n', '3 3\n']
Demo Output:
['4\n', '4\n']
Note:
none
|
```python
def product(data: list):
prodc = 1
for x in data:
prodc *= x
return prodc
data = product(list(map(int, [x.strip() for x in input().split(" ")])))
print(data//2)
```
| 3.956411
|
118
|
A
|
String Task
|
PROGRAMMING
| 1,000
|
[
"implementation",
"strings"
] | null | null |
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it:
- deletes all the vowels, - inserts a character "." before each consonant, - replaces all uppercase consonants with corresponding lowercase ones.
Vowels are letters "A", "O", "Y", "E", "U", "I", and the rest are consonants. The program's input is exactly one string, it should return the output as a single string, resulting after the program's processing the initial string.
Help Petya cope with this easy task.
|
The first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.
|
Print the resulting string. It is guaranteed that this string is not empty.
|
[
"tour\n",
"Codeforces\n",
"aBAcAba\n"
] |
[
".t.r\n",
".c.d.f.r.c.s\n",
".b.c.b\n"
] |
none
| 500
|
[
{
"input": "tour",
"output": ".t.r"
},
{
"input": "Codeforces",
"output": ".c.d.f.r.c.s"
},
{
"input": "aBAcAba",
"output": ".b.c.b"
},
{
"input": "obn",
"output": ".b.n"
},
{
"input": "wpwl",
"output": ".w.p.w.l"
},
{
"input": "ggdvq",
"output": ".g.g.d.v.q"
},
{
"input": "pumesz",
"output": ".p.m.s.z"
},
{
"input": "g",
"output": ".g"
},
{
"input": "zjuotps",
"output": ".z.j.t.p.s"
},
{
"input": "jzbwuehe",
"output": ".j.z.b.w.h"
},
{
"input": "tnkgwuugu",
"output": ".t.n.k.g.w.g"
},
{
"input": "kincenvizh",
"output": ".k.n.c.n.v.z.h"
},
{
"input": "xattxjenual",
"output": ".x.t.t.x.j.n.l"
},
{
"input": "ktajqhpqsvhw",
"output": ".k.t.j.q.h.p.q.s.v.h.w"
},
{
"input": "xnhcigytnqcmy",
"output": ".x.n.h.c.g.t.n.q.c.m"
},
{
"input": "jfmtbejyilxcec",
"output": ".j.f.m.t.b.j.l.x.c.c"
},
{
"input": "D",
"output": ".d"
},
{
"input": "ab",
"output": ".b"
},
{
"input": "Ab",
"output": ".b"
},
{
"input": "aB",
"output": ".b"
},
{
"input": "AB",
"output": ".b"
},
{
"input": "ba",
"output": ".b"
},
{
"input": "bA",
"output": ".b"
},
{
"input": "Ba",
"output": ".b"
},
{
"input": "BA",
"output": ".b"
},
{
"input": "aab",
"output": ".b"
},
{
"input": "baa",
"output": ".b"
},
{
"input": "femOZeCArKCpUiHYnbBPTIOFmsHmcpObtPYcLCdjFrUMIyqYzAokKUiiKZRouZiNMoiOuGVoQzaaCAOkquRjmmKKElLNqCnhGdQM",
"output": ".f.m.z.c.r.k.c.p.h.n.b.b.p.t.f.m.s.h.m.c.p.b.t.p.c.l.c.d.j.f.r.m.q.z.k.k.k.z.r.z.n.m.g.v.q.z.c.k.q.r.j.m.m.k.k.l.l.n.q.c.n.h.g.d.q.m"
},
{
"input": "VMBPMCmMDCLFELLIISUJDWQRXYRDGKMXJXJHXVZADRZWVWJRKFRRNSAWKKDPZZLFLNSGUNIVJFBEQsMDHSBJVDTOCSCgZWWKvZZN",
"output": ".v.m.b.p.m.c.m.m.d.c.l.f.l.l.s.j.d.w.q.r.x.r.d.g.k.m.x.j.x.j.h.x.v.z.d.r.z.w.v.w.j.r.k.f.r.r.n.s.w.k.k.d.p.z.z.l.f.l.n.s.g.n.v.j.f.b.q.s.m.d.h.s.b.j.v.d.t.c.s.c.g.z.w.w.k.v.z.z.n"
},
{
"input": "MCGFQQJNUKuAEXrLXibVjClSHjSxmlkQGTKZrRaDNDomIPOmtSgjJAjNVIVLeUGUAOHNkCBwNObVCHOWvNkLFQQbFnugYVMkJruJ",
"output": ".m.c.g.f.q.q.j.n.k.x.r.l.x.b.v.j.c.l.s.h.j.s.x.m.l.k.q.g.t.k.z.r.r.d.n.d.m.p.m.t.s.g.j.j.j.n.v.v.l.g.h.n.k.c.b.w.n.b.v.c.h.w.v.n.k.l.f.q.q.b.f.n.g.v.m.k.j.r.j"
},
{
"input": "iyaiuiwioOyzUaOtAeuEYcevvUyveuyioeeueoeiaoeiavizeeoeyYYaaAOuouueaUioueauayoiuuyiuovyOyiyoyioaoyuoyea",
"output": ".w.z.t.c.v.v.v.v.z.v"
},
{
"input": "yjnckpfyLtzwjsgpcrgCfpljnjwqzgVcufnOvhxplvflxJzqxnhrwgfJmPzifgubvspffmqrwbzivatlmdiBaddiaktdsfPwsevl",
"output": ".j.n.c.k.p.f.l.t.z.w.j.s.g.p.c.r.g.c.f.p.l.j.n.j.w.q.z.g.v.c.f.n.v.h.x.p.l.v.f.l.x.j.z.q.x.n.h.r.w.g.f.j.m.p.z.f.g.b.v.s.p.f.f.m.q.r.w.b.z.v.t.l.m.d.b.d.d.k.t.d.s.f.p.w.s.v.l"
},
{
"input": "RIIIUaAIYJOiuYIUWFPOOAIuaUEZeIooyUEUEAoIyIHYOEAlVAAIiLUAUAeiUIEiUMuuOiAgEUOIAoOUYYEYFEoOIIVeOOAOIIEg",
"output": ".r.j.w.f.p.z.h.l.v.l.m.g.f.v.g"
},
{
"input": "VBKQCFBMQHDMGNSGBQVJTGQCNHHRJMNKGKDPPSQRRVQTZNKBZGSXBPBRXPMVFTXCHZMSJVBRNFNTHBHGJLMDZJSVPZZBCCZNVLMQ",
"output": ".v.b.k.q.c.f.b.m.q.h.d.m.g.n.s.g.b.q.v.j.t.g.q.c.n.h.h.r.j.m.n.k.g.k.d.p.p.s.q.r.r.v.q.t.z.n.k.b.z.g.s.x.b.p.b.r.x.p.m.v.f.t.x.c.h.z.m.s.j.v.b.r.n.f.n.t.h.b.h.g.j.l.m.d.z.j.s.v.p.z.z.b.c.c.z.n.v.l.m.q"
},
{
"input": "iioyoaayeuyoolyiyoeuouiayiiuyTueyiaoiueyioiouyuauouayyiaeoeiiigmioiououeieeeyuyyaYyioiiooaiuouyoeoeg",
"output": ".l.t.g.m.g"
},
{
"input": "ueyiuiauuyyeueykeioouiiauzoyoeyeuyiaoaiiaaoaueyaeydaoauexuueafouiyioueeaaeyoeuaueiyiuiaeeayaioeouiuy",
"output": ".k.z.d.x.f"
},
{
"input": "FSNRBXLFQHZXGVMKLQDVHWLDSLKGKFMDRQWMWSSKPKKQBNDZRSCBLRSKCKKFFKRDMZFZGCNSMXNPMZVDLKXGNXGZQCLRTTDXLMXQ",
"output": ".f.s.n.r.b.x.l.f.q.h.z.x.g.v.m.k.l.q.d.v.h.w.l.d.s.l.k.g.k.f.m.d.r.q.w.m.w.s.s.k.p.k.k.q.b.n.d.z.r.s.c.b.l.r.s.k.c.k.k.f.f.k.r.d.m.z.f.z.g.c.n.s.m.x.n.p.m.z.v.d.l.k.x.g.n.x.g.z.q.c.l.r.t.t.d.x.l.m.x.q"
},
{
"input": "EYAYAYIOIOYOOAUOEUEUOUUYIYUUMOEOIIIAOIUOAAOIYOIOEUIERCEYYAOIOIGYUIAOYUEOEUAEAYPOYEYUUAUOAOEIYIEYUEEY",
"output": ".m.r.c.g.p"
},
{
"input": "jvvzcdcxjstbbksmqjsngxkgtttdxrljjxtwptgwwqzpvqchvgrkqlzxmptzblxhhsmrkmzzmgdfskhtmmnqzzflpmqdctvrfgtx",
"output": ".j.v.v.z.c.d.c.x.j.s.t.b.b.k.s.m.q.j.s.n.g.x.k.g.t.t.t.d.x.r.l.j.j.x.t.w.p.t.g.w.w.q.z.p.v.q.c.h.v.g.r.k.q.l.z.x.m.p.t.z.b.l.x.h.h.s.m.r.k.m.z.z.m.g.d.f.s.k.h.t.m.m.n.q.z.z.f.l.p.m.q.d.c.t.v.r.f.g.t.x"
},
{
"input": "YB",
"output": ".b"
},
{
"input": "fly",
"output": ".f.l"
},
{
"input": "YyyYYYyyYxdwdawdDAWDdaddYYYY",
"output": ".x.d.w.d.w.d.d.w.d.d.d.d"
}
] | 1,697,953,967
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 42
| 92
| 0
|
s = input()
s_list = list(s.lower())
index = 0
new_list = []
# list comprehension ensure that
# the letters counted starts from the first letter
for letter in s_list[::]:
if letter == "a":
s_list.remove(letter)
elif letter == "o":
s_list.remove(letter)
elif letter == "y":
s_list.remove(letter)
elif letter == "e":
s_list.remove(letter)
elif letter == "u":
s_list.remove(letter)
elif letter == "i":
s_list.remove(letter)
for letter in s_list[::-1]:
new_list.append(letter)
new_list.append(".")
new_list_s = ''
for i in new_list:
new_list_s += i
result = new_list_s[::-1]
print(result)
|
Title: String Task
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it:
- deletes all the vowels, - inserts a character "." before each consonant, - replaces all uppercase consonants with corresponding lowercase ones.
Vowels are letters "A", "O", "Y", "E", "U", "I", and the rest are consonants. The program's input is exactly one string, it should return the output as a single string, resulting after the program's processing the initial string.
Help Petya cope with this easy task.
Input Specification:
The first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.
Output Specification:
Print the resulting string. It is guaranteed that this string is not empty.
Demo Input:
['tour\n', 'Codeforces\n', 'aBAcAba\n']
Demo Output:
['.t.r\n', '.c.d.f.r.c.s\n', '.b.c.b\n']
Note:
none
|
```python
s = input()
s_list = list(s.lower())
index = 0
new_list = []
# list comprehension ensure that
# the letters counted starts from the first letter
for letter in s_list[::]:
if letter == "a":
s_list.remove(letter)
elif letter == "o":
s_list.remove(letter)
elif letter == "y":
s_list.remove(letter)
elif letter == "e":
s_list.remove(letter)
elif letter == "u":
s_list.remove(letter)
elif letter == "i":
s_list.remove(letter)
for letter in s_list[::-1]:
new_list.append(letter)
new_list.append(".")
new_list_s = ''
for i in new_list:
new_list_s += i
result = new_list_s[::-1]
print(result)
```
| 3
|
|
0
|
none
|
none
|
none
| 0
|
[
"none"
] | null | null |
From beginning till end, this message has been waiting to be conveyed.
For a given unordered multiset of *n* lowercase English letters ("multi" means that a letter may appear more than once), we treat all letters as strings of length 1, and repeat the following operation *n*<=-<=1 times:
- Remove any two elements *s* and *t* from the set, and add their concatenation *s*<=+<=*t* to the set.
The cost of such operation is defined to be , where *f*(*s*,<=*c*) denotes the number of times character *c* appears in string *s*.
Given a non-negative integer *k*, construct any valid non-empty set of no more than 100<=000 letters, such that the minimum accumulative cost of the whole process is exactly *k*. It can be shown that a solution always exists.
|
The first and only line of input contains a non-negative integer *k* (0<=≤<=*k*<=≤<=100<=000) — the required minimum cost.
|
Output a non-empty string of no more than 100<=000 lowercase English letters — any multiset satisfying the requirements, concatenated to be a string.
Note that the printed string doesn't need to be the final concatenated string. It only needs to represent an unordered multiset of letters.
|
[
"12\n",
"3\n"
] |
[
"abababab\n",
"codeforces\n"
] |
For the multiset {'a', 'b', 'a', 'b', 'a', 'b', 'a', 'b'}, one of the ways to complete the process is as follows:
- {"ab", "a", "b", "a", "b", "a", "b"}, with a cost of 0; - {"aba", "b", "a", "b", "a", "b"}, with a cost of 1; - {"abab", "a", "b", "a", "b"}, with a cost of 1; - {"abab", "ab", "a", "b"}, with a cost of 0; - {"abab", "aba", "b"}, with a cost of 1; - {"abab", "abab"}, with a cost of 1; - {"abababab"}, with a cost of 8.
The total cost is 12, and it can be proved to be the minimum cost of the process.
| 0
|
[
{
"input": "12",
"output": "abababab"
},
{
"input": "3",
"output": "codeforces"
},
{
"input": "0",
"output": "o"
},
{
"input": "2",
"output": "aabb"
},
{
"input": "5",
"output": "aaabbcc"
},
{
"input": "10",
"output": "aaaaa"
},
{
"input": "233",
"output": "ooououououououououooohhhhhhaaiiiiiibbjjjjjjcckkkkkkddlllllleemmmmmmffnnnnnnggzzzzzz"
},
{
"input": "418",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbcccc"
},
{
"input": "100000",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbcccccccccccc"
},
{
"input": "1",
"output": "aa"
},
{
"input": "4",
"output": "aaabb"
},
{
"input": "6",
"output": "aaaa"
},
{
"input": "7",
"output": "aaaabb"
},
{
"input": "8",
"output": "aaaabbcc"
},
{
"input": "9",
"output": "aaaabbb"
},
{
"input": "11",
"output": "aaaaabb"
},
{
"input": "1317",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbcccc"
},
{
"input": "1926",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbccc"
},
{
"input": "14514",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
},
{
"input": "25252",
"output": "niconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconiconicooooquququququququq"
},
{
"input": "99681",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
},
{
"input": "99998",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccc..."
},
{
"input": "82944",
"output": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb..."
},
{
"input": "831",
"output": "happybirthdayhappybirthdayhappybirthdayhappybirthdayhappybirthdayhappybirthdayhappybirthdayhappybirthdayhappybirthdayqqquqqquqqqu"
},
{
"input": "39393",
"output": "mikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumikumik..."
}
] | 1,504,278,641
| 5,741
|
Python 3
|
TIME_LIMIT_EXCEEDED
|
PRETESTS
| 8
| 1,000
| 0
|
import math
def trianglular(k, s):
for n1 in range(s):
for n2 in range(s):
for n3 in range(s):
if k == n1*(n1+1)//2 + n2*(n2+1)//2 + n3*(n3+1)//2:
return n1, n2, n3
k = int(input())
s = int(math.sqrt(k)) + 2
if k==0: print("a")
elif k==1: print("aa")
elif k==2: print("aabb")
else:
n1, n2, n3 = trianglular(k, s)
print("a"*(n1+1) + "b"*(n2+1) + "c"*(n3+1))
|
Title: none
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
From beginning till end, this message has been waiting to be conveyed.
For a given unordered multiset of *n* lowercase English letters ("multi" means that a letter may appear more than once), we treat all letters as strings of length 1, and repeat the following operation *n*<=-<=1 times:
- Remove any two elements *s* and *t* from the set, and add their concatenation *s*<=+<=*t* to the set.
The cost of such operation is defined to be , where *f*(*s*,<=*c*) denotes the number of times character *c* appears in string *s*.
Given a non-negative integer *k*, construct any valid non-empty set of no more than 100<=000 letters, such that the minimum accumulative cost of the whole process is exactly *k*. It can be shown that a solution always exists.
Input Specification:
The first and only line of input contains a non-negative integer *k* (0<=≤<=*k*<=≤<=100<=000) — the required minimum cost.
Output Specification:
Output a non-empty string of no more than 100<=000 lowercase English letters — any multiset satisfying the requirements, concatenated to be a string.
Note that the printed string doesn't need to be the final concatenated string. It only needs to represent an unordered multiset of letters.
Demo Input:
['12\n', '3\n']
Demo Output:
['abababab\n', 'codeforces\n']
Note:
For the multiset {'a', 'b', 'a', 'b', 'a', 'b', 'a', 'b'}, one of the ways to complete the process is as follows:
- {"ab", "a", "b", "a", "b", "a", "b"}, with a cost of 0; - {"aba", "b", "a", "b", "a", "b"}, with a cost of 1; - {"abab", "a", "b", "a", "b"}, with a cost of 1; - {"abab", "ab", "a", "b"}, with a cost of 0; - {"abab", "aba", "b"}, with a cost of 1; - {"abab", "abab"}, with a cost of 1; - {"abababab"}, with a cost of 8.
The total cost is 12, and it can be proved to be the minimum cost of the process.
|
```python
import math
def trianglular(k, s):
for n1 in range(s):
for n2 in range(s):
for n3 in range(s):
if k == n1*(n1+1)//2 + n2*(n2+1)//2 + n3*(n3+1)//2:
return n1, n2, n3
k = int(input())
s = int(math.sqrt(k)) + 2
if k==0: print("a")
elif k==1: print("aa")
elif k==2: print("aabb")
else:
n1, n2, n3 = trianglular(k, s)
print("a"*(n1+1) + "b"*(n2+1) + "c"*(n3+1))
```
| 0
|
|
960
|
A
|
Check the string
|
PROGRAMMING
| 1,200
|
[
"implementation"
] | null | null |
A has a string consisting of some number of lowercase English letters 'a'. He gives it to his friend B who appends some number of letters 'b' to the end of this string. Since both A and B like the characters 'a' and 'b', they have made sure that at this point, at least one 'a' and one 'b' exist in the string.
B now gives this string to C and he appends some number of letters 'c' to the end of the string. However, since C is a good friend of A and B, the number of letters 'c' he appends is equal to the number of 'a' or to the number of 'b' in the string. It is also possible that the number of letters 'c' equals both to the number of letters 'a' and to the number of letters 'b' at the same time.
You have a string in your hands, and you want to check if it is possible to obtain the string in this way or not. If it is possible to obtain the string, print "YES", otherwise print "NO" (without the quotes).
|
The first and only line consists of a string $S$ ($ 1 \le |S| \le 5\,000 $). It is guaranteed that the string will only consist of the lowercase English letters 'a', 'b', 'c'.
|
Print "YES" or "NO", according to the condition.
|
[
"aaabccc\n",
"bbacc\n",
"aabc\n"
] |
[
"YES\n",
"NO\n",
"YES\n"
] |
Consider first example: the number of 'c' is equal to the number of 'a'.
Consider second example: although the number of 'c' is equal to the number of the 'b', the order is not correct.
Consider third example: the number of 'c' is equal to the number of 'b'.
| 500
|
[
{
"input": "aaabccc",
"output": "YES"
},
{
"input": "bbacc",
"output": "NO"
},
{
"input": "aabc",
"output": "YES"
},
{
"input": "aabbcc",
"output": "YES"
},
{
"input": "aaacccbb",
"output": "NO"
},
{
"input": "abc",
"output": "YES"
},
{
"input": "acba",
"output": "NO"
},
{
"input": "bbabbc",
"output": "NO"
},
{
"input": "bbbabacca",
"output": "NO"
},
{
"input": "aabcbcaca",
"output": "NO"
},
{
"input": "aaaaabbbbbb",
"output": "NO"
},
{
"input": "c",
"output": "NO"
},
{
"input": "cc",
"output": "NO"
},
{
"input": "bbb",
"output": "NO"
},
{
"input": "bc",
"output": "NO"
},
{
"input": "ccbcc",
"output": "NO"
},
{
"input": "aaa",
"output": "NO"
},
{
"input": "aaccaa",
"output": "NO"
},
{
"input": "a",
"output": "NO"
},
{
"input": "b",
"output": "NO"
},
{
"input": "abca",
"output": "NO"
},
{
"input": "aabbcccc",
"output": "NO"
},
{
"input": "abac",
"output": "NO"
},
{
"input": "abcc",
"output": "NO"
},
{
"input": "abcb",
"output": "NO"
},
{
"input": "aacc",
"output": "NO"
},
{
"input": "aabbaacccc",
"output": "NO"
},
{
"input": "aabb",
"output": "NO"
},
{
"input": "ac",
"output": "NO"
},
{
"input": "abbacc",
"output": "NO"
},
{
"input": "abacc",
"output": "NO"
},
{
"input": "ababc",
"output": "NO"
},
{
"input": "aa",
"output": "NO"
},
{
"input": "aabaccc",
"output": "NO"
},
{
"input": "bbcc",
"output": "NO"
},
{
"input": "aaabcbc",
"output": "NO"
},
{
"input": "acbbc",
"output": "NO"
},
{
"input": "babc",
"output": "NO"
},
{
"input": "bbbcc",
"output": "NO"
},
{
"input": "bbc",
"output": "NO"
},
{
"input": "abababccc",
"output": "NO"
},
{
"input": "ccbbaa",
"output": "NO"
}
] | 1,595,757,507
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 55
| 109
| 6,963,200
|
from itertools import *
z=["a","b","c"]
z=list(permutations(z,2))
k=input()
for i in z:k=k.replace("".join(i),str(i[0]+" "+i[1]))
k=k.split()
if len(k)!=3:print("NO")
elif "a" not in k[0] or "b" not in k[1] or "c" not in k[2] :print("NO")
else:
if len(k[0])==len(k[2]) or len(k[1])==len(k[2]):print("YES")
else:print("NO")
|
Title: Check the string
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
A has a string consisting of some number of lowercase English letters 'a'. He gives it to his friend B who appends some number of letters 'b' to the end of this string. Since both A and B like the characters 'a' and 'b', they have made sure that at this point, at least one 'a' and one 'b' exist in the string.
B now gives this string to C and he appends some number of letters 'c' to the end of the string. However, since C is a good friend of A and B, the number of letters 'c' he appends is equal to the number of 'a' or to the number of 'b' in the string. It is also possible that the number of letters 'c' equals both to the number of letters 'a' and to the number of letters 'b' at the same time.
You have a string in your hands, and you want to check if it is possible to obtain the string in this way or not. If it is possible to obtain the string, print "YES", otherwise print "NO" (without the quotes).
Input Specification:
The first and only line consists of a string $S$ ($ 1 \le |S| \le 5\,000 $). It is guaranteed that the string will only consist of the lowercase English letters 'a', 'b', 'c'.
Output Specification:
Print "YES" or "NO", according to the condition.
Demo Input:
['aaabccc\n', 'bbacc\n', 'aabc\n']
Demo Output:
['YES\n', 'NO\n', 'YES\n']
Note:
Consider first example: the number of 'c' is equal to the number of 'a'.
Consider second example: although the number of 'c' is equal to the number of the 'b', the order is not correct.
Consider third example: the number of 'c' is equal to the number of 'b'.
|
```python
from itertools import *
z=["a","b","c"]
z=list(permutations(z,2))
k=input()
for i in z:k=k.replace("".join(i),str(i[0]+" "+i[1]))
k=k.split()
if len(k)!=3:print("NO")
elif "a" not in k[0] or "b" not in k[1] or "c" not in k[2] :print("NO")
else:
if len(k[0])==len(k[2]) or len(k[1])==len(k[2]):print("YES")
else:print("NO")
```
| 3
|
|
990
|
A
|
Commentary Boxes
|
PROGRAMMING
| 1,000
|
[
"implementation",
"math"
] | null | null |
Berland Football Cup starts really soon! Commentators from all over the world come to the event.
Organizers have already built $n$ commentary boxes. $m$ regional delegations will come to the Cup. Every delegation should get the same number of the commentary boxes. If any box is left unoccupied then the delegations will be upset. So each box should be occupied by exactly one delegation.
If $n$ is not divisible by $m$, it is impossible to distribute the boxes to the delegations at the moment.
Organizers can build a new commentary box paying $a$ burles and demolish a commentary box paying $b$ burles. They can both build and demolish boxes arbitrary number of times (each time paying a corresponding fee). It is allowed to demolish all the existing boxes.
What is the minimal amount of burles organizers should pay to satisfy all the delegations (i.e. to make the number of the boxes be divisible by $m$)?
|
The only line contains four integer numbers $n$, $m$, $a$ and $b$ ($1 \le n, m \le 10^{12}$, $1 \le a, b \le 100$), where $n$ is the initial number of the commentary boxes, $m$ is the number of delegations to come, $a$ is the fee to build a box and $b$ is the fee to demolish a box.
|
Output the minimal amount of burles organizers should pay to satisfy all the delegations (i.e. to make the number of the boxes be divisible by $m$). It is allowed that the final number of the boxes is equal to $0$.
|
[
"9 7 3 8\n",
"2 7 3 7\n",
"30 6 17 19\n"
] |
[
"15\n",
"14\n",
"0\n"
] |
In the first example organizers can build $5$ boxes to make the total of $14$ paying $3$ burles for the each of them.
In the second example organizers can demolish $2$ boxes to make the total of $0$ paying $7$ burles for the each of them.
In the third example organizers are already able to distribute all the boxes equally among the delegations, each one get $5$ boxes.
| 0
|
[
{
"input": "9 7 3 8",
"output": "15"
},
{
"input": "2 7 3 7",
"output": "14"
},
{
"input": "30 6 17 19",
"output": "0"
},
{
"input": "500000000001 1000000000000 100 100",
"output": "49999999999900"
},
{
"input": "1000000000000 750000000001 10 100",
"output": "5000000000020"
},
{
"input": "1000000000000 750000000001 100 10",
"output": "2499999999990"
},
{
"input": "42 1 1 1",
"output": "0"
},
{
"input": "1 1000000000000 1 100",
"output": "100"
},
{
"input": "7 2 3 7",
"output": "3"
},
{
"input": "999999999 2 1 1",
"output": "1"
},
{
"input": "999999999999 10000000007 100 100",
"output": "70100"
},
{
"input": "10000000001 2 1 1",
"output": "1"
},
{
"input": "29 6 1 2",
"output": "1"
},
{
"input": "99999999999 6 100 100",
"output": "300"
},
{
"input": "1000000000000 7 3 8",
"output": "8"
},
{
"input": "99999999999 2 1 1",
"output": "1"
},
{
"input": "1 2 1 1",
"output": "1"
},
{
"input": "999999999999 2 1 1",
"output": "1"
},
{
"input": "9 2 1 1",
"output": "1"
},
{
"input": "17 4 5 5",
"output": "5"
},
{
"input": "100000000000 3 1 1",
"output": "1"
},
{
"input": "100 7 1 1",
"output": "2"
},
{
"input": "1000000000000 3 100 100",
"output": "100"
},
{
"input": "70 3 10 10",
"output": "10"
},
{
"input": "1 2 5 1",
"output": "1"
},
{
"input": "1000000000000 3 1 1",
"output": "1"
},
{
"input": "804289377 846930887 78 16",
"output": "3326037780"
},
{
"input": "1000000000000 9 55 55",
"output": "55"
},
{
"input": "957747787 424238336 87 93",
"output": "10162213695"
},
{
"input": "25 6 1 2",
"output": "2"
},
{
"input": "22 7 3 8",
"output": "8"
},
{
"input": "10000000000 1 1 1",
"output": "0"
},
{
"input": "999999999999 2 10 10",
"output": "10"
},
{
"input": "999999999999 2 100 100",
"output": "100"
},
{
"input": "100 3 3 8",
"output": "6"
},
{
"input": "99999 2 1 1",
"output": "1"
},
{
"input": "100 3 2 5",
"output": "4"
},
{
"input": "1000000000000 13 10 17",
"output": "17"
},
{
"input": "7 2 1 2",
"output": "1"
},
{
"input": "10 3 1 2",
"output": "2"
},
{
"input": "5 2 2 2",
"output": "2"
},
{
"input": "100 3 5 2",
"output": "2"
},
{
"input": "7 2 1 1",
"output": "1"
},
{
"input": "70 4 1 1",
"output": "2"
},
{
"input": "10 4 1 1",
"output": "2"
},
{
"input": "6 7 41 42",
"output": "41"
},
{
"input": "10 3 10 1",
"output": "1"
},
{
"input": "5 5 2 3",
"output": "0"
},
{
"input": "1000000000000 3 99 99",
"output": "99"
},
{
"input": "7 3 100 1",
"output": "1"
},
{
"input": "7 2 100 5",
"output": "5"
},
{
"input": "1000000000000 1 23 33",
"output": "0"
},
{
"input": "30 7 1 1",
"output": "2"
},
{
"input": "100 3 1 1",
"output": "1"
},
{
"input": "90001 300 100 1",
"output": "1"
},
{
"input": "13 4 1 2",
"output": "2"
},
{
"input": "1000000000000 6 1 3",
"output": "2"
},
{
"input": "50 4 5 100",
"output": "10"
},
{
"input": "999 2 1 1",
"output": "1"
},
{
"input": "5 2 5 5",
"output": "5"
},
{
"input": "20 3 3 3",
"output": "3"
},
{
"input": "3982258181 1589052704 87 20",
"output": "16083055460"
},
{
"input": "100 3 1 3",
"output": "2"
},
{
"input": "7 3 1 1",
"output": "1"
},
{
"input": "19 10 100 100",
"output": "100"
},
{
"input": "23 3 100 1",
"output": "2"
},
{
"input": "25 7 100 1",
"output": "4"
},
{
"input": "100 9 1 2",
"output": "2"
},
{
"input": "9999999999 2 1 100",
"output": "1"
},
{
"input": "1000000000000 2 1 1",
"output": "0"
},
{
"input": "10000 3 1 1",
"output": "1"
},
{
"input": "22 7 1 6",
"output": "6"
},
{
"input": "100000000000 1 1 1",
"output": "0"
},
{
"input": "18 7 100 1",
"output": "4"
},
{
"input": "10003 4 1 100",
"output": "1"
},
{
"input": "3205261341 718648876 58 11",
"output": "3637324207"
},
{
"input": "8 3 100 1",
"output": "2"
},
{
"input": "15 7 1 1",
"output": "1"
},
{
"input": "1000000000000 1 20 20",
"output": "0"
},
{
"input": "16 7 3 2",
"output": "4"
},
{
"input": "1000000000000 1 1 1",
"output": "0"
},
{
"input": "7 3 1 100",
"output": "2"
},
{
"input": "16 3 1 100",
"output": "2"
},
{
"input": "13 4 1 10",
"output": "3"
},
{
"input": "10 4 5 5",
"output": "10"
},
{
"input": "14 3 1 100",
"output": "1"
},
{
"input": "100 33 100 1",
"output": "1"
},
{
"input": "22 7 1 8",
"output": "6"
},
{
"input": "10 4 2 1",
"output": "2"
},
{
"input": "6 4 2 2",
"output": "4"
},
{
"input": "17 4 2 1",
"output": "1"
},
{
"input": "7 3 100 10",
"output": "10"
},
{
"input": "702 7 3 2",
"output": "4"
},
{
"input": "8 3 1 5",
"output": "1"
},
{
"input": "3 2 5 2",
"output": "2"
},
{
"input": "99 19 1 7",
"output": "15"
},
{
"input": "16 3 100 1",
"output": "1"
},
{
"input": "100 34 1 100",
"output": "2"
},
{
"input": "100 33 1 1",
"output": "1"
},
{
"input": "2 3 4 3",
"output": "4"
},
{
"input": "15 4 4 10",
"output": "4"
},
{
"input": "1144108931 470211273 45 79",
"output": "11993619960"
},
{
"input": "2 3 3 4",
"output": "3"
},
{
"input": "29 5 4 9",
"output": "4"
},
{
"input": "15 7 1 5",
"output": "5"
},
{
"input": "1 1 1 1",
"output": "0"
},
{
"input": "1 1 3 4",
"output": "0"
},
{
"input": "10 12 2 1",
"output": "4"
},
{
"input": "1 2 3 4",
"output": "3"
}
] | 1,528,726,710
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 109
| 93
| 0
|
n,m,a,b = map(int,input().split())
r = n % m
if(r*b < (m-r)*a):
print(r*b)
else:
print((m-r)*a)
|
Title: Commentary Boxes
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Berland Football Cup starts really soon! Commentators from all over the world come to the event.
Organizers have already built $n$ commentary boxes. $m$ regional delegations will come to the Cup. Every delegation should get the same number of the commentary boxes. If any box is left unoccupied then the delegations will be upset. So each box should be occupied by exactly one delegation.
If $n$ is not divisible by $m$, it is impossible to distribute the boxes to the delegations at the moment.
Organizers can build a new commentary box paying $a$ burles and demolish a commentary box paying $b$ burles. They can both build and demolish boxes arbitrary number of times (each time paying a corresponding fee). It is allowed to demolish all the existing boxes.
What is the minimal amount of burles organizers should pay to satisfy all the delegations (i.e. to make the number of the boxes be divisible by $m$)?
Input Specification:
The only line contains four integer numbers $n$, $m$, $a$ and $b$ ($1 \le n, m \le 10^{12}$, $1 \le a, b \le 100$), where $n$ is the initial number of the commentary boxes, $m$ is the number of delegations to come, $a$ is the fee to build a box and $b$ is the fee to demolish a box.
Output Specification:
Output the minimal amount of burles organizers should pay to satisfy all the delegations (i.e. to make the number of the boxes be divisible by $m$). It is allowed that the final number of the boxes is equal to $0$.
Demo Input:
['9 7 3 8\n', '2 7 3 7\n', '30 6 17 19\n']
Demo Output:
['15\n', '14\n', '0\n']
Note:
In the first example organizers can build $5$ boxes to make the total of $14$ paying $3$ burles for the each of them.
In the second example organizers can demolish $2$ boxes to make the total of $0$ paying $7$ burles for the each of them.
In the third example organizers are already able to distribute all the boxes equally among the delegations, each one get $5$ boxes.
|
```python
n,m,a,b = map(int,input().split())
r = n % m
if(r*b < (m-r)*a):
print(r*b)
else:
print((m-r)*a)
```
| 3
|
|
335
|
F
|
Buy One, Get One Free
|
PROGRAMMING
| 3,000
|
[
"dp",
"greedy"
] | null | null |
A nearby pie shop is having a special sale. For each pie you pay full price for, you may select one pie of a strictly lesser value to get for free. Given the prices of all the pies you wish to acquire, determine the minimum total amount you must pay for all of the pies.
|
Input will begin with an integer *n* (1<=≤<=*n*<=≤<=500000), the number of pies you wish to acquire. Following this is a line with *n* integers, each indicating the cost of a pie. All costs are positive integers not exceeding 109.
|
Print the minimum cost to acquire all the pies.
Please, do not use the %lld specifier to read or write 64-bit integers in С++. It is preferred to use the cin, cout streams or the %I64d specifier.
|
[
"6\n3 4 5 3 4 5\n",
"5\n5 5 5 5 5\n",
"4\n309999 6000 2080 2080\n"
] |
[
"14\n",
"25\n",
"314159\n"
] |
In the first test case you can pay for a pie with cost 5 and get a pie with cost 4 for free, then pay for a pie with cost 5 and get a pie with cost 3 for free, then pay for a pie with cost 4 and get a pie with cost 3 for free.
In the second test case you have to pay full price for every pie.
| 3,000
|
[
{
"input": "6\n3 4 5 3 4 5",
"output": "14"
},
{
"input": "5\n5 5 5 5 5",
"output": "25"
},
{
"input": "4\n309999 6000 2080 2080",
"output": "314159"
},
{
"input": "10\n1 1 1 1 1 2 3 4 5 6",
"output": "16"
},
{
"input": "1\n1",
"output": "1"
},
{
"input": "7\n10 9 5 5 4 3 2",
"output": "22"
},
{
"input": "30\n3 6 3 8 6 4 4 2 4 10 8 5 9 6 7 7 9 4 7 4 10 1 9 10 4 7 7 4 2 3",
"output": "96"
},
{
"input": "40\n2 6 5 5 6 6 7 8 6 5 3 9 9 1 8 3 7 3 7 2 3 1 3 1 5 8 1 3 8 2 3 2 2 1 4 4 4 3 5 5",
"output": "100"
},
{
"input": "50\n4 2 6 7 2 6 3 8 8 2 4 8 4 4 1 4 5 2 2 5 6 4 3 3 3 6 8 2 1 3 1 8 2 3 7 4 7 5 4 8 3 5 7 8 6 7 5 8 7 1",
"output": "130"
},
{
"input": "2\n505072434 3351179",
"output": "505072434"
},
{
"input": "1\n880460566",
"output": "880460566"
}
] | 1,634,370,850
| 2,147,483,647
|
PyPy 3
|
WRONG_ANSWER
|
TESTS
| 2
| 124
| 307,200
|
import sys
from collections import deque
n = int(sys.stdin.readline().strip())
prices = deque( sorted(map(int, sys.stdin.readline().strip().split()), reverse=True) )
res = 0
res_price = 0
while len(prices) > 0 and res <= n:
p = prices.popleft()
res_price += p
if len(prices) > 0:
for i in range( len(prices) ):
p2 = prices[i]
if p2 < p:
if i == 0 and len(prices) == 3:
if prices[1] == prices[2] and prices[0] != prices[1]: # замена
del prices[1]
break
else:
del prices[i]
break
res += 1
print(res_price)
|
Title: Buy One, Get One Free
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
A nearby pie shop is having a special sale. For each pie you pay full price for, you may select one pie of a strictly lesser value to get for free. Given the prices of all the pies you wish to acquire, determine the minimum total amount you must pay for all of the pies.
Input Specification:
Input will begin with an integer *n* (1<=≤<=*n*<=≤<=500000), the number of pies you wish to acquire. Following this is a line with *n* integers, each indicating the cost of a pie. All costs are positive integers not exceeding 109.
Output Specification:
Print the minimum cost to acquire all the pies.
Please, do not use the %lld specifier to read or write 64-bit integers in С++. It is preferred to use the cin, cout streams or the %I64d specifier.
Demo Input:
['6\n3 4 5 3 4 5\n', '5\n5 5 5 5 5\n', '4\n309999 6000 2080 2080\n']
Demo Output:
['14\n', '25\n', '314159\n']
Note:
In the first test case you can pay for a pie with cost 5 and get a pie with cost 4 for free, then pay for a pie with cost 5 and get a pie with cost 3 for free, then pay for a pie with cost 4 and get a pie with cost 3 for free.
In the second test case you have to pay full price for every pie.
|
```python
import sys
from collections import deque
n = int(sys.stdin.readline().strip())
prices = deque( sorted(map(int, sys.stdin.readline().strip().split()), reverse=True) )
res = 0
res_price = 0
while len(prices) > 0 and res <= n:
p = prices.popleft()
res_price += p
if len(prices) > 0:
for i in range( len(prices) ):
p2 = prices[i]
if p2 < p:
if i == 0 and len(prices) == 3:
if prices[1] == prices[2] and prices[0] != prices[1]: # замена
del prices[1]
break
else:
del prices[i]
break
res += 1
print(res_price)
```
| 0
|
|
9
|
B
|
Running Student
|
PROGRAMMING
| 1,200
|
[
"brute force",
"geometry",
"implementation"
] |
B. Running Student
|
1
|
64
|
And again a misfortune fell on Poor Student. He is being late for an exam.
Having rushed to a bus stop that is in point (0,<=0), he got on a minibus and they drove along a straight line, parallel to axis *OX*, in the direction of increasing *x*.
Poor Student knows the following:
- during one run the minibus makes *n* stops, the *i*-th stop is in point (*x**i*,<=0) - coordinates of all the stops are different - the minibus drives at a constant speed, equal to *v**b* - it can be assumed the passengers get on and off the minibus at a bus stop momentarily - Student can get off the minibus only at a bus stop - Student will have to get off the minibus at a terminal stop, if he does not get off earlier - the University, where the exam will be held, is in point (*x**u*,<=*y**u*) - Student can run from a bus stop to the University at a constant speed *v**s* as long as needed - a distance between two points can be calculated according to the following formula: - Student is already on the minibus, so, he cannot get off at the first bus stop
Poor Student wants to get to the University as soon as possible. Help him to choose the bus stop, where he should get off. If such bus stops are multiple, choose the bus stop closest to the University.
|
The first line contains three integer numbers: 2<=≤<=*n*<=≤<=100, 1<=≤<=*v**b*,<=*v**s*<=≤<=1000. The second line contains *n* non-negative integers in ascending order: coordinates *x**i* of the bus stop with index *i*. It is guaranteed that *x*1 equals to zero, and *x**n*<=≤<=105. The third line contains the coordinates of the University, integers *x**u* and *y**u*, not exceeding 105 in absolute value.
|
In the only line output the answer to the problem — index of the optimum bus stop.
|
[
"4 5 2\n0 2 4 6\n4 1\n",
"2 1 1\n0 100000\n100000 100000\n"
] |
[
"3",
"2"
] |
As you know, students are a special sort of people, and minibuses usually do not hurry. That's why you should not be surprised, if Student's speed is higher than the speed of the minibus.
| 0
|
[
{
"input": "4 5 2\n0 2 4 6\n4 1",
"output": "3"
},
{
"input": "2 1 1\n0 100000\n100000 100000",
"output": "2"
},
{
"input": "6 5 1\n0 1 2 3 4 5\n0 0",
"output": "2"
},
{
"input": "4 100 10\n0 118 121 178\n220 220",
"output": "4"
},
{
"input": "4 3 3\n0 6 8 10\n7 -4",
"output": "2"
},
{
"input": "5 900 1\n0 37474 80030 85359 97616\n-1 -1",
"output": "2"
},
{
"input": "5 200 400\n0 8068 28563 51720 66113\n5423 -34",
"output": "2"
},
{
"input": "6 10 3\n0 12 14 16 19 20\n14 0",
"output": "3"
},
{
"input": "6 13 11\n0 16 27 31 39 42\n54 3",
"output": "6"
},
{
"input": "11 853 721\n0 134 1971 2369 3381 3997 4452 6875 8983 9360 9399\n7345 333",
"output": "8"
},
{
"input": "35 35 12\n0 90486 90543 90763 91127 91310 92047 92405 93654 93814 94633 94752 94969 94994 95287 96349 96362 96723 96855 96883 97470 97482 97683 97844 97926 98437 98724 98899 98921 99230 99253 99328 99444 99691 99947\n96233 -7777",
"output": "9"
},
{
"input": "55 11 44\n0 3343 3387 3470 3825 3832 3971 4026 4043 4389 4492 4886 5015 5084 5161 5436 5595 5616 5677 5987 6251 6312 6369 6469 6487 6493 6507 6641 6928 7067 7159 7280 7303 7385 7387 7465 7536 7572 7664 7895 7921 7955 8110 8191 8243 8280 8523 8525 8581 8877 9221 9462 9505 9594 9596\n8000 0",
"output": "2"
},
{
"input": "72 1000 777\n0 215 2814 5104 5226 5925 6734 9213 11697 13739 14015 16101 17234 19013 19566 19683 20283 20837 21332 21432 25490 26284 27728 29911 30112 30133 31494 31595 32499 32932 33289 36611 37736 43548 44440 44537 47656 47699 48327 50942 52178 53759 56925 57671 62024 65441 67958 70346 71606 75235 75466 75553 75905 76173 76512 77784 78183 80425 81339 81543 84537 88384 89953 90214 92107 92274 93328 93550 93987 97546 99459 99532\n63421 35",
"output": "45"
},
{
"input": "76 1 1\n0 1000 1754 2749 3687 4983 8121 10299 11043 12986 14125 15910 17070 17189 17551 17953 17973 20816 25436 26150 27446 27788 28466 28941 29537 33965 37566 40845 40930 41304 41614 41615 43042 45098 45844 49878 50453 50936 55480 58410 59258 59287 62789 64127 64333 64450 64862 65404 66451 67626 69294 69804 71988 72165 74196 74560 75407 76611 77055 77344 79470 83566 84550 87458 87627 88205 89880 90255 90586 91970 93795 95308 99032 99442 99547 99549\n0 0",
"output": "2"
},
{
"input": "94 2 1\n0 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093\n5050 -100000",
"output": "2"
},
{
"input": "100 1 2\n0 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100\n100 0",
"output": "2"
},
{
"input": "100 1000 1\n0 505 506 514 515 520 523 527 529 530 538 547 550 554 559 562 566 568 569 580 582 584 588 597 609 621 624 629 630 631 634 641 646 653 657 666 673 678 680 683 685 690 695 698 699 700 705 709 716 731 734 735 736 738 756 761 762 765 769 772 776 779 784 790 794 812 814 816 833 837 842 845 850 854 855 863 868 872 882 892 893 898 899 900 901 902 915 916 917 932 936 954 962 968 975 978 983 992 996 998\n600 7778",
"output": "23"
},
{
"input": "2 1 1\n0 100000\n-100000 -100000",
"output": "2"
},
{
"input": "2 1000 1000\n0 1\n1 0",
"output": "2"
},
{
"input": "3 1 1\n0 1 2\n2 0",
"output": "3"
}
] | 1,630,749,635
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 2
| 92
| 6,963,200
|
import math
[n, vb, vs] = list(map(int, input().split()))
arr = list(map(int, input().split()))
[xu, yu] = list(map(int, input().split()))
optimal_time = None
chosen_bus = None
for idx, ele in enumerate(arr):
time = 0
time += ele*vs + math.pow(ele - xu, 2)*vb
if optimal_time == None:
optimal_time = time
chosen_bus = idx
else:
if time < optimal_time:
optimal_time = time
chosen_bus = idx
elif time == optimal_time:
# tier
old_ele = arr[chosen_bus]
if math.pow(old_ele - xu, 2) > math.pow(ele - xu, 2):
optimal_time = time
chosen_bus = idx
print(chosen_bus+1)
|
Title: Running Student
Time Limit: 1 seconds
Memory Limit: 64 megabytes
Problem Description:
And again a misfortune fell on Poor Student. He is being late for an exam.
Having rushed to a bus stop that is in point (0,<=0), he got on a minibus and they drove along a straight line, parallel to axis *OX*, in the direction of increasing *x*.
Poor Student knows the following:
- during one run the minibus makes *n* stops, the *i*-th stop is in point (*x**i*,<=0) - coordinates of all the stops are different - the minibus drives at a constant speed, equal to *v**b* - it can be assumed the passengers get on and off the minibus at a bus stop momentarily - Student can get off the minibus only at a bus stop - Student will have to get off the minibus at a terminal stop, if he does not get off earlier - the University, where the exam will be held, is in point (*x**u*,<=*y**u*) - Student can run from a bus stop to the University at a constant speed *v**s* as long as needed - a distance between two points can be calculated according to the following formula: - Student is already on the minibus, so, he cannot get off at the first bus stop
Poor Student wants to get to the University as soon as possible. Help him to choose the bus stop, where he should get off. If such bus stops are multiple, choose the bus stop closest to the University.
Input Specification:
The first line contains three integer numbers: 2<=≤<=*n*<=≤<=100, 1<=≤<=*v**b*,<=*v**s*<=≤<=1000. The second line contains *n* non-negative integers in ascending order: coordinates *x**i* of the bus stop with index *i*. It is guaranteed that *x*1 equals to zero, and *x**n*<=≤<=105. The third line contains the coordinates of the University, integers *x**u* and *y**u*, not exceeding 105 in absolute value.
Output Specification:
In the only line output the answer to the problem — index of the optimum bus stop.
Demo Input:
['4 5 2\n0 2 4 6\n4 1\n', '2 1 1\n0 100000\n100000 100000\n']
Demo Output:
['3', '2']
Note:
As you know, students are a special sort of people, and minibuses usually do not hurry. That's why you should not be surprised, if Student's speed is higher than the speed of the minibus.
|
```python
import math
[n, vb, vs] = list(map(int, input().split()))
arr = list(map(int, input().split()))
[xu, yu] = list(map(int, input().split()))
optimal_time = None
chosen_bus = None
for idx, ele in enumerate(arr):
time = 0
time += ele*vs + math.pow(ele - xu, 2)*vb
if optimal_time == None:
optimal_time = time
chosen_bus = idx
else:
if time < optimal_time:
optimal_time = time
chosen_bus = idx
elif time == optimal_time:
# tier
old_ele = arr[chosen_bus]
if math.pow(old_ele - xu, 2) > math.pow(ele - xu, 2):
optimal_time = time
chosen_bus = idx
print(chosen_bus+1)
```
| 0
|
322
|
B
|
Ciel and Flowers
|
PROGRAMMING
| 1,600
|
[
"combinatorics",
"math"
] | null | null |
Fox Ciel has some flowers: *r* red flowers, *g* green flowers and *b* blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets:
- To make a "red bouquet", it needs 3 red flowers. - To make a "green bouquet", it needs 3 green flowers. - To make a "blue bouquet", it needs 3 blue flowers. - To make a "mixing bouquet", it needs 1 red, 1 green and 1 blue flower.
Help Fox Ciel to find the maximal number of bouquets she can make.
|
The first line contains three integers *r*, *g* and *b* (0<=≤<=*r*,<=*g*,<=*b*<=≤<=109) — the number of red, green and blue flowers.
|
Print the maximal number of bouquets Fox Ciel can make.
|
[
"3 6 9\n",
"4 4 4\n",
"0 0 0\n"
] |
[
"6\n",
"4\n",
"0\n"
] |
In test case 1, we can make 1 red bouquet, 2 green bouquets and 3 blue bouquets.
In test case 2, we can make 1 red, 1 green, 1 blue and 1 mixing bouquet.
| 1,000
|
[
{
"input": "3 6 9",
"output": "6"
},
{
"input": "4 4 4",
"output": "4"
},
{
"input": "0 0 0",
"output": "0"
},
{
"input": "0 3 6",
"output": "3"
},
{
"input": "7 8 9",
"output": "7"
},
{
"input": "8 8 9",
"output": "8"
},
{
"input": "15 3 999",
"output": "339"
},
{
"input": "32 62 92",
"output": "62"
},
{
"input": "123456789 123456789 123456789",
"output": "123456789"
},
{
"input": "3 5 5",
"output": "4"
},
{
"input": "666806767 385540591 357848286",
"output": "470065214"
},
{
"input": "80010646 727118126 817880463",
"output": "541669744"
},
{
"input": "829651016 732259171 572879931",
"output": "711596705"
},
{
"input": "242854896 442432924 180395753",
"output": "288561190"
},
{
"input": "139978911 5123031 935395222",
"output": "360165721"
},
{
"input": "553182792 10264076 395427398",
"output": "319624755"
},
{
"input": "597790453 720437830 855459575",
"output": "724562619"
},
{
"input": "494914467 356982656 757942689",
"output": "536613270"
},
{
"input": "908118348 67156409 217974865",
"output": "397749873"
},
{
"input": "952726009 629846517 972974334",
"output": "851848953"
},
{
"input": "775140200 616574841 630329230",
"output": "674014756"
},
{
"input": "524780569 326748594 90361407",
"output": "313963523"
},
{
"input": "937984449 184405994 992844522",
"output": "705078321"
},
{
"input": "835108464 525983528 452876698",
"output": "604656229"
},
{
"input": "879716125 531124573 207876166",
"output": "539572288"
},
{
"input": "292920005 241298326 667908343",
"output": "400708891"
},
{
"input": "1000000000 1000000000 1000000000",
"output": "1000000000"
},
{
"input": "1000000000 999999999 999999998",
"output": "999999998"
},
{
"input": "999999998 999999998 999999999",
"output": "999999998"
},
{
"input": "0 1 1",
"output": "0"
},
{
"input": "0 1000000000 0",
"output": "333333333"
},
{
"input": "0 1 0",
"output": "0"
},
{
"input": "1 0 0",
"output": "0"
},
{
"input": "0 2 2",
"output": "0"
},
{
"input": "3 3 5",
"output": "3"
},
{
"input": "2 2 0",
"output": "0"
},
{
"input": "0 5 5",
"output": "2"
},
{
"input": "2 0 11",
"output": "3"
},
{
"input": "9 9 7",
"output": "8"
},
{
"input": "65 30 74",
"output": "56"
}
] | 1,628,828,329
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 9
| 154
| 6,758,400
|
r, g, b = [int(x) for x in input().split()]
mn = min(r, g, b)
ans = mn
r -= mn
g -= mn
b -= mn
ans += (r // 3 + g // 3 + b // 3)
print(ans)
|
Title: Ciel and Flowers
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Fox Ciel has some flowers: *r* red flowers, *g* green flowers and *b* blue flowers. She wants to use these flowers to make several bouquets. There are 4 types of bouquets:
- To make a "red bouquet", it needs 3 red flowers. - To make a "green bouquet", it needs 3 green flowers. - To make a "blue bouquet", it needs 3 blue flowers. - To make a "mixing bouquet", it needs 1 red, 1 green and 1 blue flower.
Help Fox Ciel to find the maximal number of bouquets she can make.
Input Specification:
The first line contains three integers *r*, *g* and *b* (0<=≤<=*r*,<=*g*,<=*b*<=≤<=109) — the number of red, green and blue flowers.
Output Specification:
Print the maximal number of bouquets Fox Ciel can make.
Demo Input:
['3 6 9\n', '4 4 4\n', '0 0 0\n']
Demo Output:
['6\n', '4\n', '0\n']
Note:
In test case 1, we can make 1 red bouquet, 2 green bouquets and 3 blue bouquets.
In test case 2, we can make 1 red, 1 green, 1 blue and 1 mixing bouquet.
|
```python
r, g, b = [int(x) for x in input().split()]
mn = min(r, g, b)
ans = mn
r -= mn
g -= mn
b -= mn
ans += (r // 3 + g // 3 + b // 3)
print(ans)
```
| 0
|
|
653
|
A
|
Bear and Three Balls
|
PROGRAMMING
| 900
|
[
"brute force",
"implementation",
"sortings"
] | null | null |
Limak is a little polar bear. He has *n* balls, the *i*-th ball has size *t**i*.
Limak wants to give one ball to each of his three friends. Giving gifts isn't easy — there are two rules Limak must obey to make friends happy:
- No two friends can get balls of the same size. - No two friends can get balls of sizes that differ by more than 2.
For example, Limak can choose balls with sizes 4, 5 and 3, or balls with sizes 90, 91 and 92. But he can't choose balls with sizes 5, 5 and 6 (two friends would get balls of the same size), and he can't choose balls with sizes 30, 31 and 33 (because sizes 30 and 33 differ by more than 2).
Your task is to check whether Limak can choose three balls that satisfy conditions above.
|
The first line of the input contains one integer *n* (3<=≤<=*n*<=≤<=50) — the number of balls Limak has.
The second line contains *n* integers *t*1,<=*t*2,<=...,<=*t**n* (1<=≤<=*t**i*<=≤<=1000) where *t**i* denotes the size of the *i*-th ball.
|
Print "YES" (without quotes) if Limak can choose three balls of distinct sizes, such that any two of them differ by no more than 2. Otherwise, print "NO" (without quotes).
|
[
"4\n18 55 16 17\n",
"6\n40 41 43 44 44 44\n",
"8\n5 972 3 4 1 4 970 971\n"
] |
[
"YES\n",
"NO\n",
"YES\n"
] |
In the first sample, there are 4 balls and Limak is able to choose three of them to satisfy the rules. He must must choose balls with sizes 18, 16 and 17.
In the second sample, there is no way to give gifts to three friends without breaking the rules.
In the third sample, there is even more than one way to choose balls:
1. Choose balls with sizes 3, 4 and 5. 1. Choose balls with sizes 972, 970, 971.
| 500
|
[
{
"input": "4\n18 55 16 17",
"output": "YES"
},
{
"input": "6\n40 41 43 44 44 44",
"output": "NO"
},
{
"input": "8\n5 972 3 4 1 4 970 971",
"output": "YES"
},
{
"input": "3\n959 747 656",
"output": "NO"
},
{
"input": "4\n1 2 2 3",
"output": "YES"
},
{
"input": "50\n998 30 384 289 505 340 872 223 663 31 929 625 864 699 735 589 676 399 745 635 963 381 75 97 324 612 597 797 103 382 25 894 219 458 337 572 201 355 294 275 278 311 586 573 965 704 936 237 715 543",
"output": "NO"
},
{
"input": "50\n941 877 987 982 966 979 984 810 811 909 872 980 957 897 845 995 924 905 984 914 824 840 868 910 815 808 872 858 883 952 823 835 860 874 959 972 931 867 866 987 982 837 800 921 887 910 982 980 828 869",
"output": "YES"
},
{
"input": "3\n408 410 409",
"output": "YES"
},
{
"input": "3\n903 902 904",
"output": "YES"
},
{
"input": "3\n399 400 398",
"output": "YES"
},
{
"input": "3\n450 448 449",
"output": "YES"
},
{
"input": "3\n390 389 388",
"output": "YES"
},
{
"input": "3\n438 439 440",
"output": "YES"
},
{
"input": "11\n488 688 490 94 564 615 641 170 489 517 669",
"output": "YES"
},
{
"input": "24\n102 672 983 82 720 501 81 721 982 312 207 897 159 964 611 956 118 984 37 271 596 403 772 954",
"output": "YES"
},
{
"input": "36\n175 551 70 479 875 480 979 32 465 402 640 116 76 687 874 678 359 785 753 401 978 629 162 963 886 641 39 845 132 930 2 372 478 947 407 318",
"output": "YES"
},
{
"input": "6\n10 79 306 334 304 305",
"output": "YES"
},
{
"input": "34\n787 62 26 683 486 364 684 891 846 801 969 837 359 800 836 359 471 637 732 91 841 836 7 799 959 405 416 841 737 803 615 483 323 365",
"output": "YES"
},
{
"input": "30\n860 238 14 543 669 100 428 789 576 484 754 274 849 850 586 377 711 386 510 408 520 693 23 477 266 851 728 711 964 73",
"output": "YES"
},
{
"input": "11\n325 325 324 324 324 325 325 324 324 324 324",
"output": "NO"
},
{
"input": "7\n517 517 518 517 518 518 518",
"output": "NO"
},
{
"input": "20\n710 710 711 711 711 711 710 710 710 710 711 710 710 710 710 710 710 711 711 710",
"output": "NO"
},
{
"input": "48\n29 30 29 29 29 30 29 30 30 30 30 29 30 30 30 29 29 30 30 29 30 29 29 30 29 30 29 30 30 29 30 29 29 30 30 29 29 30 30 29 29 30 30 30 29 29 30 29",
"output": "NO"
},
{
"input": "7\n880 880 514 536 881 881 879",
"output": "YES"
},
{
"input": "15\n377 432 262 376 261 375 377 262 263 263 261 376 262 262 375",
"output": "YES"
},
{
"input": "32\n305 426 404 961 426 425 614 304 404 425 615 403 303 304 615 303 305 405 427 614 403 303 425 615 404 304 427 403 206 616 405 404",
"output": "YES"
},
{
"input": "41\n115 686 988 744 762 519 745 519 518 83 85 115 520 44 687 686 685 596 988 687 989 988 114 745 84 519 519 746 988 84 745 744 115 114 85 115 520 746 745 116 987",
"output": "YES"
},
{
"input": "47\n1 2 483 28 7 109 270 651 464 162 353 521 224 989 721 499 56 69 197 716 313 446 580 645 828 197 100 138 789 499 147 677 384 711 783 937 300 543 540 93 669 604 739 122 632 822 116",
"output": "NO"
},
{
"input": "31\n1 2 1 373 355 692 750 920 578 666 615 232 141 129 663 929 414 704 422 559 568 731 354 811 532 618 39 879 292 602 995",
"output": "NO"
},
{
"input": "50\n5 38 41 4 15 40 27 39 20 3 44 47 30 6 36 29 35 12 19 26 10 2 21 50 11 46 48 49 17 16 33 13 32 28 31 18 23 34 7 14 24 45 9 37 1 8 42 25 43 22",
"output": "YES"
},
{
"input": "50\n967 999 972 990 969 978 963 987 954 955 973 970 959 981 995 983 986 994 979 957 965 982 992 977 953 975 956 961 993 997 998 958 980 962 960 951 996 991 1000 966 971 988 976 968 989 984 974 964 985 952",
"output": "YES"
},
{
"input": "50\n850 536 761 506 842 898 857 723 583 637 536 943 895 929 890 612 832 633 696 731 553 880 710 812 665 877 915 636 711 540 748 600 554 521 813 796 568 513 543 809 798 820 928 504 999 646 907 639 550 911",
"output": "NO"
},
{
"input": "3\n3 1 2",
"output": "YES"
},
{
"input": "3\n500 999 1000",
"output": "NO"
},
{
"input": "10\n101 102 104 105 107 109 110 112 113 115",
"output": "NO"
},
{
"input": "50\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "NO"
},
{
"input": "50\n1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000",
"output": "NO"
},
{
"input": "3\n1000 999 998",
"output": "YES"
},
{
"input": "49\n343 322 248 477 53 156 245 493 209 141 370 66 229 184 434 137 276 472 216 456 147 180 140 114 493 323 393 262 380 314 222 124 98 441 129 346 48 401 347 460 122 125 114 106 189 260 374 165 456",
"output": "NO"
},
{
"input": "20\n1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3",
"output": "YES"
},
{
"input": "3\n999 999 1000",
"output": "NO"
},
{
"input": "9\n2 4 5 13 25 100 200 300 400",
"output": "NO"
},
{
"input": "9\n1 1 1 2 2 2 3 3 3",
"output": "YES"
},
{
"input": "3\n1 1 2",
"output": "NO"
},
{
"input": "3\n998 999 1000",
"output": "YES"
},
{
"input": "12\n1 1 1 1 1 1 1 1 1 2 2 4",
"output": "NO"
},
{
"input": "4\n4 3 4 5",
"output": "YES"
},
{
"input": "6\n1 1 1 2 2 2",
"output": "NO"
},
{
"input": "3\n2 3 2",
"output": "NO"
},
{
"input": "5\n10 5 6 3 2",
"output": "NO"
},
{
"input": "3\n1 2 1",
"output": "NO"
},
{
"input": "3\n1 2 3",
"output": "YES"
},
{
"input": "4\n998 999 1000 1000",
"output": "YES"
},
{
"input": "5\n2 3 9 9 4",
"output": "YES"
},
{
"input": "4\n1 2 4 4",
"output": "NO"
},
{
"input": "3\n1 1 1",
"output": "NO"
},
{
"input": "3\n2 2 3",
"output": "NO"
},
{
"input": "7\n1 2 2 2 4 5 6",
"output": "YES"
},
{
"input": "5\n1 3 10 3 10",
"output": "NO"
},
{
"input": "3\n1 2 2",
"output": "NO"
},
{
"input": "4\n1000 1000 999 998",
"output": "YES"
},
{
"input": "3\n5 3 7",
"output": "NO"
},
{
"input": "6\n1 1 2 2 3 3",
"output": "YES"
},
{
"input": "9\n6 6 6 5 5 5 4 4 4",
"output": "YES"
},
{
"input": "7\n5 6 6 6 7 7 7",
"output": "YES"
},
{
"input": "5\n2 3 3 3 4",
"output": "YES"
},
{
"input": "5\n2 1 2 1 3",
"output": "YES"
},
{
"input": "3\n1 2 7",
"output": "NO"
},
{
"input": "3\n1000 1000 1000",
"output": "NO"
},
{
"input": "5\n1 100 2 100 3",
"output": "YES"
},
{
"input": "5\n5 4 6 5 5",
"output": "YES"
},
{
"input": "12\n1 1 1 1 2 2 2 2 3 3 3 3",
"output": "YES"
},
{
"input": "5\n9 9 1 2 3",
"output": "YES"
},
{
"input": "6\n1 2 3 1 2 3",
"output": "YES"
},
{
"input": "7\n1 1 1 1 2 3 3",
"output": "YES"
},
{
"input": "3\n13 13 13",
"output": "NO"
},
{
"input": "3\n42 42 42",
"output": "NO"
},
{
"input": "8\n1 1 1 1 2 2 2 2",
"output": "NO"
},
{
"input": "6\n1 1 1 1 2 3",
"output": "YES"
},
{
"input": "6\n1 1 2 2 6 6",
"output": "NO"
},
{
"input": "6\n1 2 5 5 5 5",
"output": "NO"
},
{
"input": "9\n1 2 3 1 2 3 1 2 3",
"output": "YES"
},
{
"input": "4\n1 2 1 100",
"output": "NO"
},
{
"input": "5\n1 1 2 2 3",
"output": "YES"
}
] | 1,650,078,137
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 84
| 109
| 0
|
n=int(input().split(" ")[0])
dls=input().split(" ")
bls=list()
for i in range(0,n):
bls.append(int(dls[i]))
for i in bls:
for j in bls:
for k in bls:
y=sorted([i,j,k])
if y[1]-y[0]==y[2]-y[1]==1:
print("YES")
exit(0)
print("NO")
|
Title: Bear and Three Balls
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Limak is a little polar bear. He has *n* balls, the *i*-th ball has size *t**i*.
Limak wants to give one ball to each of his three friends. Giving gifts isn't easy — there are two rules Limak must obey to make friends happy:
- No two friends can get balls of the same size. - No two friends can get balls of sizes that differ by more than 2.
For example, Limak can choose balls with sizes 4, 5 and 3, or balls with sizes 90, 91 and 92. But he can't choose balls with sizes 5, 5 and 6 (two friends would get balls of the same size), and he can't choose balls with sizes 30, 31 and 33 (because sizes 30 and 33 differ by more than 2).
Your task is to check whether Limak can choose three balls that satisfy conditions above.
Input Specification:
The first line of the input contains one integer *n* (3<=≤<=*n*<=≤<=50) — the number of balls Limak has.
The second line contains *n* integers *t*1,<=*t*2,<=...,<=*t**n* (1<=≤<=*t**i*<=≤<=1000) where *t**i* denotes the size of the *i*-th ball.
Output Specification:
Print "YES" (without quotes) if Limak can choose three balls of distinct sizes, such that any two of them differ by no more than 2. Otherwise, print "NO" (without quotes).
Demo Input:
['4\n18 55 16 17\n', '6\n40 41 43 44 44 44\n', '8\n5 972 3 4 1 4 970 971\n']
Demo Output:
['YES\n', 'NO\n', 'YES\n']
Note:
In the first sample, there are 4 balls and Limak is able to choose three of them to satisfy the rules. He must must choose balls with sizes 18, 16 and 17.
In the second sample, there is no way to give gifts to three friends without breaking the rules.
In the third sample, there is even more than one way to choose balls:
1. Choose balls with sizes 3, 4 and 5. 1. Choose balls with sizes 972, 970, 971.
|
```python
n=int(input().split(" ")[0])
dls=input().split(" ")
bls=list()
for i in range(0,n):
bls.append(int(dls[i]))
for i in bls:
for j in bls:
for k in bls:
y=sorted([i,j,k])
if y[1]-y[0]==y[2]-y[1]==1:
print("YES")
exit(0)
print("NO")
```
| 3
|
|
58
|
A
|
Chat room
|
PROGRAMMING
| 1,000
|
[
"greedy",
"strings"
] |
A. Chat room
|
1
|
256
|
Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to everybody. Vasya typed the word *s*. It is considered that Vasya managed to say hello if several letters can be deleted from the typed word so that it resulted in the word "hello". For example, if Vasya types the word "ahhellllloou", it will be considered that he said hello, and if he types "hlelo", it will be considered that Vasya got misunderstood and he didn't manage to say hello. Determine whether Vasya managed to say hello by the given word *s*.
|
The first and only line contains the word *s*, which Vasya typed. This word consisits of small Latin letters, its length is no less that 1 and no more than 100 letters.
|
If Vasya managed to say hello, print "YES", otherwise print "NO".
|
[
"ahhellllloou\n",
"hlelo\n"
] |
[
"YES\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "ahhellllloou",
"output": "YES"
},
{
"input": "hlelo",
"output": "NO"
},
{
"input": "helhcludoo",
"output": "YES"
},
{
"input": "hehwelloho",
"output": "YES"
},
{
"input": "pnnepelqomhhheollvlo",
"output": "YES"
},
{
"input": "tymbzjyqhymedasloqbq",
"output": "NO"
},
{
"input": "yehluhlkwo",
"output": "NO"
},
{
"input": "hatlevhhalrohairnolsvocafgueelrqmlqlleello",
"output": "YES"
},
{
"input": "hhhtehdbllnhwmbyhvelqqyoulretpbfokflhlhreeflxeftelziclrwllrpflflbdtotvlqgoaoqldlroovbfsq",
"output": "YES"
},
{
"input": "rzlvihhghnelqtwlexmvdjjrliqllolhyewgozkuovaiezgcilelqapuoeglnwmnlftxxiigzczlouooi",
"output": "YES"
},
{
"input": "pfhhwctyqdlkrwhebfqfelhyebwllhemtrmeblgrynmvyhioesqklclocxmlffuormljszllpoo",
"output": "YES"
},
{
"input": "lqllcolohwflhfhlnaow",
"output": "NO"
},
{
"input": "heheeellollvoo",
"output": "YES"
},
{
"input": "hellooo",
"output": "YES"
},
{
"input": "o",
"output": "NO"
},
{
"input": "hhqhzeclohlehljlhtesllylrolmomvuhcxsobtsckogdv",
"output": "YES"
},
{
"input": "yoegfuzhqsihygnhpnukluutocvvwuldiighpogsifealtgkfzqbwtmgghmythcxflebrkctlldlkzlagovwlstsghbouk",
"output": "YES"
},
{
"input": "uatqtgbvrnywfacwursctpagasnhydvmlinrcnqrry",
"output": "NO"
},
{
"input": "tndtbldbllnrwmbyhvqaqqyoudrstpbfokfoclnraefuxtftmgzicorwisrpfnfpbdtatvwqgyalqtdtrjqvbfsq",
"output": "NO"
},
{
"input": "rzlvirhgemelnzdawzpaoqtxmqucnahvqnwldklrmjiiyageraijfivigvozgwngiulttxxgzczptusoi",
"output": "YES"
},
{
"input": "kgyelmchocojsnaqdsyeqgnllytbqietpdlgknwwumqkxrexgdcnwoldicwzwofpmuesjuxzrasscvyuqwspm",
"output": "YES"
},
{
"input": "pnyvrcotjvgynbeldnxieghfltmexttuxzyac",
"output": "NO"
},
{
"input": "dtwhbqoumejligbenxvzhjlhosqojetcqsynlzyhfaevbdpekgbtjrbhlltbceobcok",
"output": "YES"
},
{
"input": "crrfpfftjwhhikwzeedrlwzblckkteseofjuxjrktcjfsylmlsvogvrcxbxtffujqshslemnixoeezivksouefeqlhhokwbqjz",
"output": "YES"
},
{
"input": "jhfbndhyzdvhbvhmhmefqllujdflwdpjbehedlsqfdsqlyelwjtyloxwsvasrbqosblzbowlqjmyeilcvotdlaouxhdpoeloaovb",
"output": "YES"
},
{
"input": "hwlghueoemiqtjhhpashjsouyegdlvoyzeunlroypoprnhlyiwiuxrghekaylndhrhllllwhbebezoglydcvykllotrlaqtvmlla",
"output": "YES"
},
{
"input": "wshiaunnqnqxodholbipwhhjmyeblhgpeleblklpzwhdunmpqkbuzloetmwwxmeltkrcomulxauzlwmlklldjodozxryghsnwgcz",
"output": "YES"
},
{
"input": "shvksednttggehroewuiptvvxtrzgidravtnjwuqrlnnkxbplctzkckinpkgjopjfoxdbojtcvsuvablcbkrzajrlhgobkcxeqti",
"output": "YES"
},
{
"input": "hyyhddqhxhekehkwfhlnlsihzefwchzerevcjtokefplholrbvxlltdlafjxrfhleglrvlolojoqaolagtbeyogxlbgfolllslli",
"output": "YES"
},
{
"input": "iaagrdhhelxpdegueiulflquvlzidoprzkehthkldaytrjwhyhprwjxlltinxvuilxohqgjqcvkkdcuoliekcnlilwgqlnlzouoo",
"output": "YES"
},
{
"input": "wfluaeseldgxyvxpwuhkptdmlflnlhktwxiabsvkolsquymrmhzczzoybvlilhmvsuunggvgxzgyyffk",
"output": "NO"
},
{
"input": "loee",
"output": "NO"
},
{
"input": "izdipwylefqmjbuoznfglgcfvedeouflkeehxbasaqmiooppfsqlhprospqgxvzrcpwlfdddngoqvpwvggsnvvxhmjoslwjudjlo",
"output": "NO"
},
{
"input": "pplynflbjlseflaegzqpdxswgunhnlglqhycrbcwdfhclmcrwekkzsoosmfblljeenwfjyifcvxihhhbyhmhlkvtskeglaovjnsi",
"output": "YES"
},
{
"input": "xqjqmenkodmlhzyzmmvofdngktygbbxbzpluzcohohmalkoeuwfikblltaaigv",
"output": "NO"
},
{
"input": "hello",
"output": "YES"
},
{
"input": "oohell",
"output": "NO"
},
{
"input": "hell",
"output": "NO"
},
{
"input": "eloellohoelo",
"output": "NO"
},
{
"input": "helllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllo",
"output": "YES"
}
] | 1,654,718,342
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 40
| 93
| 0
|
s = input()
letra_1 = False
letra_2 = False
letra_3 = False
letra_4 = False
letra_5 = False
for i in s:
if letra_1 == False:
if i == "h":
letra_1 = True
elif letra_2 == False:
if i == "e":
letra_2 = True
elif letra_3 == False:
if i == "l":
letra_3 = True
elif letra_4 == False:
if i == "l":
letra_4 = True
elif letra_5 == False:
if i == "o":
letra_5 = True
if letra_5 == True:
print('YES')
else:
print('NO')
|
Title: Chat room
Time Limit: 1 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to everybody. Vasya typed the word *s*. It is considered that Vasya managed to say hello if several letters can be deleted from the typed word so that it resulted in the word "hello". For example, if Vasya types the word "ahhellllloou", it will be considered that he said hello, and if he types "hlelo", it will be considered that Vasya got misunderstood and he didn't manage to say hello. Determine whether Vasya managed to say hello by the given word *s*.
Input Specification:
The first and only line contains the word *s*, which Vasya typed. This word consisits of small Latin letters, its length is no less that 1 and no more than 100 letters.
Output Specification:
If Vasya managed to say hello, print "YES", otherwise print "NO".
Demo Input:
['ahhellllloou\n', 'hlelo\n']
Demo Output:
['YES\n', 'NO\n']
Note:
none
|
```python
s = input()
letra_1 = False
letra_2 = False
letra_3 = False
letra_4 = False
letra_5 = False
for i in s:
if letra_1 == False:
if i == "h":
letra_1 = True
elif letra_2 == False:
if i == "e":
letra_2 = True
elif letra_3 == False:
if i == "l":
letra_3 = True
elif letra_4 == False:
if i == "l":
letra_4 = True
elif letra_5 == False:
if i == "o":
letra_5 = True
if letra_5 == True:
print('YES')
else:
print('NO')
```
| 3.9535
|
628
|
B
|
New Skateboard
|
PROGRAMMING
| 1,300
|
[
"dp"
] | null | null |
Max wants to buy a new skateboard. He has calculated the amount of money that is needed to buy a new skateboard. He left a calculator on the floor and went to ask some money from his parents. Meanwhile his little brother Yusuf came and started to press the keys randomly. Unfortunately Max has forgotten the number which he had calculated. The only thing he knows is that the number is divisible by 4.
You are given a string *s* consisting of digits (the number on the display of the calculator after Yusuf randomly pressed the keys). Your task is to find the number of substrings which are divisible by 4. A substring can start with a zero.
A substring of a string is a nonempty sequence of consecutive characters.
For example if string *s* is 124 then we have four substrings that are divisible by 4: 12, 4, 24 and 124. For the string 04 the answer is three: 0, 4, 04.
As input/output can reach huge size it is recommended to use fast input/output methods: for example, prefer to use gets/scanf/printf instead of getline/cin/cout in C++, prefer to use BufferedReader/PrintWriter instead of Scanner/System.out in Java.
|
The only line contains string *s* (1<=≤<=|*s*|<=≤<=3·105). The string *s* contains only digits from 0 to 9.
|
Print integer *a* — the number of substrings of the string *s* that are divisible by 4.
Note that the answer can be huge, so you should use 64-bit integer type to store it. In C++ you can use the long long integer type and in Java you can use long integer type.
|
[
"124\n",
"04\n",
"5810438174\n"
] |
[
"4\n",
"3\n",
"9\n"
] |
none
| 0
|
[
{
"input": "124",
"output": "4"
},
{
"input": "04",
"output": "3"
},
{
"input": "5810438174",
"output": "9"
},
{
"input": "1",
"output": "0"
},
{
"input": "039",
"output": "1"
},
{
"input": "97247",
"output": "6"
},
{
"input": "5810438174",
"output": "9"
},
{
"input": "12883340691714056185860211260984431382156326935244",
"output": "424"
},
{
"input": "2144315253572020279108092911160072328496568665545836825277616363478721946398140227406814602154768031",
"output": "1528"
},
{
"input": "80124649014054971081213608137817466046254652492627741860478258558206397113198232823859870363821007188476405951611069347299689170240023979048198711745011542774268179055311013054073075176122755643483380248999657649211459997766221072399103579977409770898200358240970169892326442892826731631357561876251276209119521202062222947560634301788787748428236988789594458520867663257476744168528121470923031438015546006185059454402637036376247785881323277542968298682307854655591317046086531554595892680980142608",
"output": "30826"
},
{
"input": "123456",
"output": "7"
},
{
"input": "4",
"output": "1"
},
{
"input": "123",
"output": "1"
}
] | 1,619,149,250
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 22
| 295
| 1,024,000
|
s = input()
ans = 0
d = {}
d['0'] = "02468"
d['2'] = "13579"
d['4'] = "02468"
d['6'] = "13579"
d['8'] = "02468"
dt = [0 for _ in range(10)]
for i in range(0,len(s)):
if i and s[i] in d and s[i-1] in d[s[i]]:
ans+= i
if s[i] in "048":
ans+=1
print(ans)
|
Title: New Skateboard
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Max wants to buy a new skateboard. He has calculated the amount of money that is needed to buy a new skateboard. He left a calculator on the floor and went to ask some money from his parents. Meanwhile his little brother Yusuf came and started to press the keys randomly. Unfortunately Max has forgotten the number which he had calculated. The only thing he knows is that the number is divisible by 4.
You are given a string *s* consisting of digits (the number on the display of the calculator after Yusuf randomly pressed the keys). Your task is to find the number of substrings which are divisible by 4. A substring can start with a zero.
A substring of a string is a nonempty sequence of consecutive characters.
For example if string *s* is 124 then we have four substrings that are divisible by 4: 12, 4, 24 and 124. For the string 04 the answer is three: 0, 4, 04.
As input/output can reach huge size it is recommended to use fast input/output methods: for example, prefer to use gets/scanf/printf instead of getline/cin/cout in C++, prefer to use BufferedReader/PrintWriter instead of Scanner/System.out in Java.
Input Specification:
The only line contains string *s* (1<=≤<=|*s*|<=≤<=3·105). The string *s* contains only digits from 0 to 9.
Output Specification:
Print integer *a* — the number of substrings of the string *s* that are divisible by 4.
Note that the answer can be huge, so you should use 64-bit integer type to store it. In C++ you can use the long long integer type and in Java you can use long integer type.
Demo Input:
['124\n', '04\n', '5810438174\n']
Demo Output:
['4\n', '3\n', '9\n']
Note:
none
|
```python
s = input()
ans = 0
d = {}
d['0'] = "02468"
d['2'] = "13579"
d['4'] = "02468"
d['6'] = "13579"
d['8'] = "02468"
dt = [0 for _ in range(10)]
for i in range(0,len(s)):
if i and s[i] in d and s[i-1] in d[s[i]]:
ans+= i
if s[i] in "048":
ans+=1
print(ans)
```
| 3
|
|
281
|
A
|
Word Capitalization
|
PROGRAMMING
| 800
|
[
"implementation",
"strings"
] | null | null |
Capitalization is writing a word with its first letter as a capital letter. Your task is to capitalize the given word.
Note, that during capitalization all the letters except the first one remains unchanged.
|
A single line contains a non-empty word. This word consists of lowercase and uppercase English letters. The length of the word will not exceed 103.
|
Output the given word after capitalization.
|
[
"ApPLe\n",
"konjac\n"
] |
[
"ApPLe\n",
"Konjac\n"
] |
none
| 500
|
[
{
"input": "ApPLe",
"output": "ApPLe"
},
{
"input": "konjac",
"output": "Konjac"
},
{
"input": "a",
"output": "A"
},
{
"input": "A",
"output": "A"
},
{
"input": "z",
"output": "Z"
},
{
"input": "ABACABA",
"output": "ABACABA"
},
{
"input": "xYaPxPxHxGePfGtQySlNrLxSjDtNnTaRaEpAhPaQpWnDzMqGgRgEwJxGiBdZnMtHxFbObCaGiCeZkUqIgBhHtNvAqAlHpMnQhNeQbMyZrCdElVwHtKrPpJjIaHuIlYwHaRkAkUpPlOhNlBtXwDsKzPyHrPiUwNlXtTaPuMwTqYtJySgFoXvLiHbQwMjSvXsQfKhVlOxGdQkWjBhEyQvBjPoFkThNeRhTuIzFjInJtEfPjOlOsJpJuLgLzFnZmKvFgFrNsOnVqFcNiMfCqTpKnVyLwNqFiTySpWeTdFnWuTwDkRjVxNyQvTrOoEiExYiFaIrLoFmJfZcDkHuWjYfCeEqCvEsZiWnJaEmFbMjDvYwEeJeGcKbVbChGsIzNlExHzHiTlHcSaKxLuZxX",
"output": "XYaPxPxHxGePfGtQySlNrLxSjDtNnTaRaEpAhPaQpWnDzMqGgRgEwJxGiBdZnMtHxFbObCaGiCeZkUqIgBhHtNvAqAlHpMnQhNeQbMyZrCdElVwHtKrPpJjIaHuIlYwHaRkAkUpPlOhNlBtXwDsKzPyHrPiUwNlXtTaPuMwTqYtJySgFoXvLiHbQwMjSvXsQfKhVlOxGdQkWjBhEyQvBjPoFkThNeRhTuIzFjInJtEfPjOlOsJpJuLgLzFnZmKvFgFrNsOnVqFcNiMfCqTpKnVyLwNqFiTySpWeTdFnWuTwDkRjVxNyQvTrOoEiExYiFaIrLoFmJfZcDkHuWjYfCeEqCvEsZiWnJaEmFbMjDvYwEeJeGcKbVbChGsIzNlExHzHiTlHcSaKxLuZxX"
},
{
"input": "rZhIcQlXpNcPgXrOjTiOlMoTgXgIhCfMwZfWoFzGhEkQlOoMjIuShPlZfWkNnMyQfYdUhVgQuSmYoElEtZpDyHtOxXgCpWbZqSbYnPqBcNqRtPgCnJnAyIvNsAhRbNeVlMwZyRyJnFgIsCnSbOdLvUyIeOzQvRpMoMoHfNhHwKvTcHuYnYySfPmAiNwAiWdZnWlLvGfBbRbRrCrBqIgIdWkWiBsNyYkKdNxZdGaToSsDnXpRaGrKxBpQsCzBdQgZzBkGeHgGxNrIyQlSzWsTmSnZwOcHqQpNcQvJlPvKaPiQaMaYsQjUeCqQdCjPgUbDmWiJmNiXgExLqOcCtSwSePnUxIuZfIfBeWbEiVbXnUsPwWyAiXyRbZgKwOqFfCtQuKxEmVeRlAkOeXkO",
"output": "RZhIcQlXpNcPgXrOjTiOlMoTgXgIhCfMwZfWoFzGhEkQlOoMjIuShPlZfWkNnMyQfYdUhVgQuSmYoElEtZpDyHtOxXgCpWbZqSbYnPqBcNqRtPgCnJnAyIvNsAhRbNeVlMwZyRyJnFgIsCnSbOdLvUyIeOzQvRpMoMoHfNhHwKvTcHuYnYySfPmAiNwAiWdZnWlLvGfBbRbRrCrBqIgIdWkWiBsNyYkKdNxZdGaToSsDnXpRaGrKxBpQsCzBdQgZzBkGeHgGxNrIyQlSzWsTmSnZwOcHqQpNcQvJlPvKaPiQaMaYsQjUeCqQdCjPgUbDmWiJmNiXgExLqOcCtSwSePnUxIuZfIfBeWbEiVbXnUsPwWyAiXyRbZgKwOqFfCtQuKxEmVeRlAkOeXkO"
},
{
"input": "hDgZlUmLhYbLkLcNcKeOwJwTePbOvLaRvNzQbSbLsPeHqLhUqWtUbNdQfQqFfXeJqJwWuOrFnDdZiPxIkDyVmHbHvXfIlFqSgAcSyWbOlSlRuPhWdEpEzEeLnXwCtWuVcHaUeRgCiYsIvOaIgDnFuDbRnMoCmPrZfLeFpSjQaTfHgZwZvAzDuSeNwSoWuJvLqKqAuUxFaCxFfRcEjEsJpOfCtDiVrBqNsNwPuGoRgPzRpLpYnNyQxKaNnDnYiJrCrVcHlOxPiPcDbEgKfLwBjLhKcNeMgJhJmOiJvPfOaPaEuGqWvRbErKrIpDkEoQnKwJnTlStLyNsHyOjZfKoIjXwUvRrWpSyYhRpQdLqGmErAiNcGqAqIrTeTiMuPmCrEkHdBrLyCxPtYpRqD",
"output": "HDgZlUmLhYbLkLcNcKeOwJwTePbOvLaRvNzQbSbLsPeHqLhUqWtUbNdQfQqFfXeJqJwWuOrFnDdZiPxIkDyVmHbHvXfIlFqSgAcSyWbOlSlRuPhWdEpEzEeLnXwCtWuVcHaUeRgCiYsIvOaIgDnFuDbRnMoCmPrZfLeFpSjQaTfHgZwZvAzDuSeNwSoWuJvLqKqAuUxFaCxFfRcEjEsJpOfCtDiVrBqNsNwPuGoRgPzRpLpYnNyQxKaNnDnYiJrCrVcHlOxPiPcDbEgKfLwBjLhKcNeMgJhJmOiJvPfOaPaEuGqWvRbErKrIpDkEoQnKwJnTlStLyNsHyOjZfKoIjXwUvRrWpSyYhRpQdLqGmErAiNcGqAqIrTeTiMuPmCrEkHdBrLyCxPtYpRqD"
},
{
"input": "qUdLgGrJeGmIzIeZrCjUtBpYfRvNdXdRpGsThIsEmJjTiMqEwRxBeBaSxEuWrNvExKePjPnXhPzBpWnHiDhTvZhBuIjDnZpTcEkCvRkAcTmMuXhGgErWgFyGyToOyVwYlCuQpTfJkVdWmFyBqQhJjYtXrBbFdHzDlGsFbHmHbFgXgFhIyDhZyEqEiEwNxSeByBwLiVeSnCxIdHbGjOjJrZeVkOzGeMmQrJkVyGhDtCzOlPeAzGrBlWwEnAdUfVaIjNrRyJjCnHkUvFuKuKeKbLzSbEmUcXtVkZzXzKlOrPgQiDmCcCvIyAdBwOeUuLbRmScNcWxIkOkJuIsBxTrIqXhDzLcYdVtPgZdZfAxTmUtByGiTsJkSySjXdJvEwNmSmNoWsChPdAzJrBoW",
"output": "QUdLgGrJeGmIzIeZrCjUtBpYfRvNdXdRpGsThIsEmJjTiMqEwRxBeBaSxEuWrNvExKePjPnXhPzBpWnHiDhTvZhBuIjDnZpTcEkCvRkAcTmMuXhGgErWgFyGyToOyVwYlCuQpTfJkVdWmFyBqQhJjYtXrBbFdHzDlGsFbHmHbFgXgFhIyDhZyEqEiEwNxSeByBwLiVeSnCxIdHbGjOjJrZeVkOzGeMmQrJkVyGhDtCzOlPeAzGrBlWwEnAdUfVaIjNrRyJjCnHkUvFuKuKeKbLzSbEmUcXtVkZzXzKlOrPgQiDmCcCvIyAdBwOeUuLbRmScNcWxIkOkJuIsBxTrIqXhDzLcYdVtPgZdZfAxTmUtByGiTsJkSySjXdJvEwNmSmNoWsChPdAzJrBoW"
},
{
"input": "kHbApGoBcLmIwUlXkVgUmWzYeLoDbGaOkWbIuXoRwMfKuOoMzAoXrBoTvYxGrMbRjDuRxAbGsTnErIiHnHoLeRnTbFiRfDdOkNlWiAcOsChLdLqFqXlDpDoDtPxXqAmSvYgPvOcCpOlWtOjYwFkGkHuCaHwZcFdOfHjBmIxTeSiHkWjXyFcCtOlSuJsZkDxUgPeZkJwMmNpErUlBcGuMlJwKkWnOzFeFiSiPsEvMmQiCsYeHlLuHoMgBjFoZkXlObDkSoQcVyReTmRsFzRhTuIvCeBqVsQdQyTyZjStGrTyDcEcAgTgMiIcVkLbZbGvWeHtXwEqWkXfTcPyHhHjYwIeVxLyVmHmMkUsGiHmNnQuMsXaFyPpVqNrBhOiWmNkBbQuHvQdOjPjKiZcL",
"output": "KHbApGoBcLmIwUlXkVgUmWzYeLoDbGaOkWbIuXoRwMfKuOoMzAoXrBoTvYxGrMbRjDuRxAbGsTnErIiHnHoLeRnTbFiRfDdOkNlWiAcOsChLdLqFqXlDpDoDtPxXqAmSvYgPvOcCpOlWtOjYwFkGkHuCaHwZcFdOfHjBmIxTeSiHkWjXyFcCtOlSuJsZkDxUgPeZkJwMmNpErUlBcGuMlJwKkWnOzFeFiSiPsEvMmQiCsYeHlLuHoMgBjFoZkXlObDkSoQcVyReTmRsFzRhTuIvCeBqVsQdQyTyZjStGrTyDcEcAgTgMiIcVkLbZbGvWeHtXwEqWkXfTcPyHhHjYwIeVxLyVmHmMkUsGiHmNnQuMsXaFyPpVqNrBhOiWmNkBbQuHvQdOjPjKiZcL"
},
{
"input": "aHmRbLgNuWkLxLnWvUbYwTeZeYiOlLhTuOvKfLnVmCiPcMkSgVrYjZiLuRjCiXhAnVzVcTlVeJdBvPdDfFvHkTuIhCdBjEsXbVmGcLrPfNvRdFsZkSdNpYsJeIhIcNqSoLkOjUlYlDmXsOxPbQtIoUxFjGnRtBhFaJvBeEzHsAtVoQbAfYjJqReBiKeUwRqYrUjPjBoHkOkPzDwEwUgTxQxAvKzUpMhKyOhPmEhYhItQwPeKsKaKlUhGuMcTtSwFtXfJsDsFlTtOjVvVfGtBtFlQyIcBaMsPaJlPqUcUvLmReZiFbXxVtRhTzJkLkAjVqTyVuFeKlTyQgUzMsXjOxQnVfTaWmThEnEoIhZeZdStBkKeLpAhJnFoJvQyGwDiStLjEwGfZwBuWsEfC",
"output": "AHmRbLgNuWkLxLnWvUbYwTeZeYiOlLhTuOvKfLnVmCiPcMkSgVrYjZiLuRjCiXhAnVzVcTlVeJdBvPdDfFvHkTuIhCdBjEsXbVmGcLrPfNvRdFsZkSdNpYsJeIhIcNqSoLkOjUlYlDmXsOxPbQtIoUxFjGnRtBhFaJvBeEzHsAtVoQbAfYjJqReBiKeUwRqYrUjPjBoHkOkPzDwEwUgTxQxAvKzUpMhKyOhPmEhYhItQwPeKsKaKlUhGuMcTtSwFtXfJsDsFlTtOjVvVfGtBtFlQyIcBaMsPaJlPqUcUvLmReZiFbXxVtRhTzJkLkAjVqTyVuFeKlTyQgUzMsXjOxQnVfTaWmThEnEoIhZeZdStBkKeLpAhJnFoJvQyGwDiStLjEwGfZwBuWsEfC"
},
{
"input": "sLlZkDiDmEdNaXuUuJwHqYvRtOdGfTiTpEpAoSqAbJaChOiCvHgSwZwEuPkMmXiLcKdXqSsEyViEbZpZsHeZpTuXoGcRmOiQfBfApPjDqSqElWeSeOhUyWjLyNoRuYeGfGwNqUsQoTyVvWeNgNdZfDxGwGfLsDjIdInSqDlMuNvFaHbScZkTlVwNcJpEjMaPaOtFgJjBjOcLlLmDnQrShIrJhOcUmPnZhTxNeClQsZaEaVaReLyQpLwEqJpUwYhLiRzCzKfOoFeTiXzPiNbOsZaZaLgCiNnMkBcFwGgAwPeNyTxJcCtBgXcToKlWaWcBaIvBpNxPeClQlWeQqRyEtAkJdBtSrFdDvAbUlKyLdCuTtXxFvRcKnYnWzVdYqDeCmOqPxUaFjQdTdCtN",
"output": "SLlZkDiDmEdNaXuUuJwHqYvRtOdGfTiTpEpAoSqAbJaChOiCvHgSwZwEuPkMmXiLcKdXqSsEyViEbZpZsHeZpTuXoGcRmOiQfBfApPjDqSqElWeSeOhUyWjLyNoRuYeGfGwNqUsQoTyVvWeNgNdZfDxGwGfLsDjIdInSqDlMuNvFaHbScZkTlVwNcJpEjMaPaOtFgJjBjOcLlLmDnQrShIrJhOcUmPnZhTxNeClQsZaEaVaReLyQpLwEqJpUwYhLiRzCzKfOoFeTiXzPiNbOsZaZaLgCiNnMkBcFwGgAwPeNyTxJcCtBgXcToKlWaWcBaIvBpNxPeClQlWeQqRyEtAkJdBtSrFdDvAbUlKyLdCuTtXxFvRcKnYnWzVdYqDeCmOqPxUaFjQdTdCtN"
},
{
"input": "iRuStKvVhJdJbQwRoIuLiVdTpKaOqKfYlYwAzIpPtUwUtMeKyCaOlXmVrKwWeImYmVuXdLkRlHwFxKqZbZtTzNgOzDbGqTfZnKmUzAcIjDcEmQgYyFbEfWzRpKvCkDmAqDiIiRcLvMxWaJqCgYqXgIcLdNaZlBnXtJyKaMnEaWfXfXwTbDnAiYnWqKbAtDpYdUbZrCzWgRnHzYxFgCdDbOkAgTqBuLqMeStHcDxGnVhSgMzVeTaZoTfLjMxQfRuPcFqVlRyYdHyOdJsDoCeWrUuJyIiAqHwHyVpEeEoMaJwAoUfPtBeJqGhMaHiBjKwAlXoZpUsDhHgMxBkVbLcEvNtJbGnPsUwAvXrAkTlXwYvEnOpNeWyIkRnEnTrIyAcLkRgMyYcKrGiDaAyE",
"output": "IRuStKvVhJdJbQwRoIuLiVdTpKaOqKfYlYwAzIpPtUwUtMeKyCaOlXmVrKwWeImYmVuXdLkRlHwFxKqZbZtTzNgOzDbGqTfZnKmUzAcIjDcEmQgYyFbEfWzRpKvCkDmAqDiIiRcLvMxWaJqCgYqXgIcLdNaZlBnXtJyKaMnEaWfXfXwTbDnAiYnWqKbAtDpYdUbZrCzWgRnHzYxFgCdDbOkAgTqBuLqMeStHcDxGnVhSgMzVeTaZoTfLjMxQfRuPcFqVlRyYdHyOdJsDoCeWrUuJyIiAqHwHyVpEeEoMaJwAoUfPtBeJqGhMaHiBjKwAlXoZpUsDhHgMxBkVbLcEvNtJbGnPsUwAvXrAkTlXwYvEnOpNeWyIkRnEnTrIyAcLkRgMyYcKrGiDaAyE"
},
{
"input": "cRtJkOxHzUbJcDdHzJtLbVmSoWuHoTkVrPqQaVmXeBrHxJbQfNrQbAaMrEhVdQnPxNyCjErKxPoEdWkVrBbDeNmEgBxYiBtWdAfHiLuSwIxJuHpSkAxPoYdNkGoLySsNhUmGoZhDzAfWhJdPlJzQkZbOnMtTkClIoCqOlIcJcMlGjUyOiEmHdYfIcPtTgQhLlLcPqQjAnQnUzHpCaQsCnYgQsBcJrQwBnWsIwFfSfGuYgTzQmShFpKqEeRlRkVfMuZbUsDoFoPrNuNwTtJqFkRiXxPvKyElDzLoUnIwAaBaOiNxMpEvPzSpGpFhMtGhGdJrFnZmNiMcUfMtBnDuUnXqDcMsNyGoLwLeNnLfRsIwRfBtXkHrFcPsLdXaAoYaDzYnZuQeVcZrElWmP",
"output": "CRtJkOxHzUbJcDdHzJtLbVmSoWuHoTkVrPqQaVmXeBrHxJbQfNrQbAaMrEhVdQnPxNyCjErKxPoEdWkVrBbDeNmEgBxYiBtWdAfHiLuSwIxJuHpSkAxPoYdNkGoLySsNhUmGoZhDzAfWhJdPlJzQkZbOnMtTkClIoCqOlIcJcMlGjUyOiEmHdYfIcPtTgQhLlLcPqQjAnQnUzHpCaQsCnYgQsBcJrQwBnWsIwFfSfGuYgTzQmShFpKqEeRlRkVfMuZbUsDoFoPrNuNwTtJqFkRiXxPvKyElDzLoUnIwAaBaOiNxMpEvPzSpGpFhMtGhGdJrFnZmNiMcUfMtBnDuUnXqDcMsNyGoLwLeNnLfRsIwRfBtXkHrFcPsLdXaAoYaDzYnZuQeVcZrElWmP"
},
{
"input": "wVaCsGxZrBbFnTbKsCoYlAvUkIpBaYpYmJkMlPwCaFvUkDxAiJgIqWsFqZlFvTtAnGzEwXbYiBdFfFxRiDoUkLmRfAwOlKeOlKgXdUnVqLkTuXtNdQpBpXtLvZxWoBeNePyHcWmZyRiUkPlRqYiQdGeXwOhHbCqVjDcEvJmBkRwWnMqPjXpUsIyXqGjHsEsDwZiFpIbTkQaUlUeFxMwJzSaHdHnDhLaLdTuYgFuJsEcMmDvXyPjKsSeBaRwNtPuOuBtNeOhQdVgKzPzOdYtPjPfDzQzHoWcYjFbSvRgGdGsCmGnQsErToBkCwGeQaCbBpYkLhHxTbUvRnJpZtXjKrHdRiUmUbSlJyGaLnWsCrJbBnSjFaZrIzIrThCmGhQcMsTtOxCuUcRaEyPaG",
"output": "WVaCsGxZrBbFnTbKsCoYlAvUkIpBaYpYmJkMlPwCaFvUkDxAiJgIqWsFqZlFvTtAnGzEwXbYiBdFfFxRiDoUkLmRfAwOlKeOlKgXdUnVqLkTuXtNdQpBpXtLvZxWoBeNePyHcWmZyRiUkPlRqYiQdGeXwOhHbCqVjDcEvJmBkRwWnMqPjXpUsIyXqGjHsEsDwZiFpIbTkQaUlUeFxMwJzSaHdHnDhLaLdTuYgFuJsEcMmDvXyPjKsSeBaRwNtPuOuBtNeOhQdVgKzPzOdYtPjPfDzQzHoWcYjFbSvRgGdGsCmGnQsErToBkCwGeQaCbBpYkLhHxTbUvRnJpZtXjKrHdRiUmUbSlJyGaLnWsCrJbBnSjFaZrIzIrThCmGhQcMsTtOxCuUcRaEyPaG"
},
{
"input": "kEiLxLmPjGzNoGkJdBlAfXhThYhMsHmZoZbGyCvNiUoLoZdAxUbGyQiEfXvPzZzJrPbEcMpHsMjIkRrVvDvQtHuKmXvGpQtXbPzJpFjJdUgWcPdFxLjLtXgVpEiFhImHnKkGiWnZbJqRjCyEwHsNbYfYfTyBaEuKlCtWnOqHmIgGrFmQiYrBnLiFcGuZxXlMfEuVoCxPkVrQvZoIpEhKsYtXrPxLcSfQqXsWaDgVlOnAzUvAhOhMrJfGtWcOwQfRjPmGhDyAeXrNqBvEiDfCiIvWxPjTwPlXpVsMjVjUnCkXgBuWnZaDyJpWkCfBrWnHxMhJgItHdRqNrQaEeRjAuUwRkUdRhEeGlSqVqGmOjNcUhFfXjCmWzBrGvIuZpRyWkWiLyUwFpYjNmNfV",
"output": "KEiLxLmPjGzNoGkJdBlAfXhThYhMsHmZoZbGyCvNiUoLoZdAxUbGyQiEfXvPzZzJrPbEcMpHsMjIkRrVvDvQtHuKmXvGpQtXbPzJpFjJdUgWcPdFxLjLtXgVpEiFhImHnKkGiWnZbJqRjCyEwHsNbYfYfTyBaEuKlCtWnOqHmIgGrFmQiYrBnLiFcGuZxXlMfEuVoCxPkVrQvZoIpEhKsYtXrPxLcSfQqXsWaDgVlOnAzUvAhOhMrJfGtWcOwQfRjPmGhDyAeXrNqBvEiDfCiIvWxPjTwPlXpVsMjVjUnCkXgBuWnZaDyJpWkCfBrWnHxMhJgItHdRqNrQaEeRjAuUwRkUdRhEeGlSqVqGmOjNcUhFfXjCmWzBrGvIuZpRyWkWiLyUwFpYjNmNfV"
},
{
"input": "eIhDoLmDeReKqXsHcVgFxUqNfScAiQnFrTlCgSuTtXiYvBxKaPaGvUeYfSgHqEaWcHxKpFaSlCxGqAmNeFcIzFcZsBiVoZhUjXaDaIcKoBzYdIlEnKfScRqSkYpPtVsVhXsBwUsUfAqRoCkBxWbHgDiCkRtPvUwVgDjOzObYwNiQwXlGnAqEkHdSqLgUkOdZiWaHqQnOhUnDhIzCiQtVcJlGoRfLuVlFjWqSuMsLgLwOdZvKtWdRuRqDoBoInKqPbJdXpIqLtFlMlDaWgSiKbFpCxOnQeNeQzXeKsBzIjCyPxCmBnYuHzQoYxZgGzSgGtZiTeQmUeWlNzZeKiJbQmEjIiDhPeSyZlNdHpZnIkPdJzSeJpPiXxToKyBjJfPwNzZpWzIzGySqPxLtI",
"output": "EIhDoLmDeReKqXsHcVgFxUqNfScAiQnFrTlCgSuTtXiYvBxKaPaGvUeYfSgHqEaWcHxKpFaSlCxGqAmNeFcIzFcZsBiVoZhUjXaDaIcKoBzYdIlEnKfScRqSkYpPtVsVhXsBwUsUfAqRoCkBxWbHgDiCkRtPvUwVgDjOzObYwNiQwXlGnAqEkHdSqLgUkOdZiWaHqQnOhUnDhIzCiQtVcJlGoRfLuVlFjWqSuMsLgLwOdZvKtWdRuRqDoBoInKqPbJdXpIqLtFlMlDaWgSiKbFpCxOnQeNeQzXeKsBzIjCyPxCmBnYuHzQoYxZgGzSgGtZiTeQmUeWlNzZeKiJbQmEjIiDhPeSyZlNdHpZnIkPdJzSeJpPiXxToKyBjJfPwNzZpWzIzGySqPxLtI"
},
{
"input": "uOoQzIeTwYeKpJtGoUdNiXbPgEwVsZkAnJcArHxIpEnEhZwQhZvAiOuLeMkVqLeDsAyKeYgFxGmRoLaRsZjAeXgNfYhBkHeDrHdPuTuYhKmDlAvYzYxCdYgYfVaYlGeVqTeSfBxQePbQrKsTaIkGzMjFrQlJuYaMxWpQkLdEcDsIiMnHnDtThRvAcKyGwBsHqKdXpJfIeTeZtYjFbMeUoXoXzGrShTwSwBpQlKeDrZdCjRqNtXoTsIzBkWbMsObTtDvYaPhUeLeHqHeMpZmTaCcIqXzAmGnPfNdDaFhOqWqDrWuFiBpRjZrQmAdViOuMbFfRyXyWfHgRkGpPnDrEqQcEmHcKpEvWlBrOtJbUaXbThJaSxCbVoGvTmHvZrHvXpCvLaYbRiHzYuQyX",
"output": "UOoQzIeTwYeKpJtGoUdNiXbPgEwVsZkAnJcArHxIpEnEhZwQhZvAiOuLeMkVqLeDsAyKeYgFxGmRoLaRsZjAeXgNfYhBkHeDrHdPuTuYhKmDlAvYzYxCdYgYfVaYlGeVqTeSfBxQePbQrKsTaIkGzMjFrQlJuYaMxWpQkLdEcDsIiMnHnDtThRvAcKyGwBsHqKdXpJfIeTeZtYjFbMeUoXoXzGrShTwSwBpQlKeDrZdCjRqNtXoTsIzBkWbMsObTtDvYaPhUeLeHqHeMpZmTaCcIqXzAmGnPfNdDaFhOqWqDrWuFiBpRjZrQmAdViOuMbFfRyXyWfHgRkGpPnDrEqQcEmHcKpEvWlBrOtJbUaXbThJaSxCbVoGvTmHvZrHvXpCvLaYbRiHzYuQyX"
},
{
"input": "lZqBqKeGvNdSeYuWxRiVnFtYbKuJwQtUcKnVtQhAlOeUzMaAuTaEnDdPfDcNyHgEoBmYjZyFePeJrRiKyAzFnBfAuGiUyLrIeLrNhBeBdVcEeKgCcBrQzDsPwGcNnZvTsEaYmFfMeOmMdNuZbUtDoQoNcGwDqEkEjIdQaPwAxJbXeNxOgKgXoEbZiIsVkRrNpNyAkLeHkNfEpLuQvEcMbIoGaDzXbEtNsLgGfOkZaFiUsOvEjVeCaMcZqMzKeAdXxJsVeCrZaFpJtZxInQxFaSmGgSsVyGeLlFgFqTpIbAvPkIfJrVcJeBxSdEvPyVwIjHpYrLrKqLnAmCuGmPoZrSbOtGaLaTmBmSuUyAmAsRiMqOtRjJhPhAfXaJnTpLbFqPmJgFcBxImTqIiJ",
"output": "LZqBqKeGvNdSeYuWxRiVnFtYbKuJwQtUcKnVtQhAlOeUzMaAuTaEnDdPfDcNyHgEoBmYjZyFePeJrRiKyAzFnBfAuGiUyLrIeLrNhBeBdVcEeKgCcBrQzDsPwGcNnZvTsEaYmFfMeOmMdNuZbUtDoQoNcGwDqEkEjIdQaPwAxJbXeNxOgKgXoEbZiIsVkRrNpNyAkLeHkNfEpLuQvEcMbIoGaDzXbEtNsLgGfOkZaFiUsOvEjVeCaMcZqMzKeAdXxJsVeCrZaFpJtZxInQxFaSmGgSsVyGeLlFgFqTpIbAvPkIfJrVcJeBxSdEvPyVwIjHpYrLrKqLnAmCuGmPoZrSbOtGaLaTmBmSuUyAmAsRiMqOtRjJhPhAfXaJnTpLbFqPmJgFcBxImTqIiJ"
},
{
"input": "P",
"output": "P"
},
{
"input": "Xyzzy",
"output": "Xyzzy"
},
{
"input": "Zzz",
"output": "Zzz"
},
{
"input": "Zp",
"output": "Zp"
}
] | 1,698,741,451
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 25
| 122
| 0
|
# Input
word = input()
# Capitalize the first character
capitalized_word = word[0].upper() + word[1:]
# Output the capitalized word
print(capitalized_word)
|
Title: Word Capitalization
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Capitalization is writing a word with its first letter as a capital letter. Your task is to capitalize the given word.
Note, that during capitalization all the letters except the first one remains unchanged.
Input Specification:
A single line contains a non-empty word. This word consists of lowercase and uppercase English letters. The length of the word will not exceed 103.
Output Specification:
Output the given word after capitalization.
Demo Input:
['ApPLe\n', 'konjac\n']
Demo Output:
['ApPLe\n', 'Konjac\n']
Note:
none
|
```python
# Input
word = input()
# Capitalize the first character
capitalized_word = word[0].upper() + word[1:]
# Output the capitalized word
print(capitalized_word)
```
| 3
|
|
25
|
A
|
IQ test
|
PROGRAMMING
| 1,300
|
[
"brute force"
] |
A. IQ test
|
2
|
256
|
Bob is preparing to pass IQ test. The most frequent task in this test is to find out which one of the given *n* numbers differs from the others. Bob observed that one number usually differs from the others in evenness. Help Bob — to check his answers, he needs a program that among the given *n* numbers finds one that is different in evenness.
|
The first line contains integer *n* (3<=≤<=*n*<=≤<=100) — amount of numbers in the task. The second line contains *n* space-separated natural numbers, not exceeding 100. It is guaranteed, that exactly one of these numbers differs from the others in evenness.
|
Output index of number that differs from the others in evenness. Numbers are numbered from 1 in the input order.
|
[
"5\n2 4 7 8 10\n",
"4\n1 2 1 1\n"
] |
[
"3\n",
"2\n"
] |
none
| 0
|
[
{
"input": "5\n2 4 7 8 10",
"output": "3"
},
{
"input": "4\n1 2 1 1",
"output": "2"
},
{
"input": "3\n1 2 2",
"output": "1"
},
{
"input": "3\n100 99 100",
"output": "2"
},
{
"input": "3\n5 3 2",
"output": "3"
},
{
"input": "4\n43 28 1 91",
"output": "2"
},
{
"input": "4\n75 13 94 77",
"output": "3"
},
{
"input": "4\n97 8 27 3",
"output": "2"
},
{
"input": "10\n95 51 12 91 85 3 1 31 25 7",
"output": "3"
},
{
"input": "20\n88 96 66 51 14 88 2 92 18 72 18 88 20 30 4 82 90 100 24 46",
"output": "4"
},
{
"input": "30\n20 94 56 50 10 98 52 32 14 22 24 60 4 8 98 46 34 68 82 82 98 90 50 20 78 49 52 94 64 36",
"output": "26"
},
{
"input": "50\n79 27 77 57 37 45 27 49 65 33 57 21 71 19 75 85 65 61 23 97 85 9 23 1 9 3 99 77 77 21 79 69 15 37 15 7 93 81 13 89 91 31 45 93 15 97 55 80 85 83",
"output": "48"
},
{
"input": "60\n46 11 73 65 3 69 3 53 43 53 97 47 55 93 31 75 35 3 9 73 23 31 3 81 91 79 61 21 15 11 11 11 81 7 83 75 39 87 83 59 89 55 93 27 49 67 67 29 1 93 11 17 9 19 35 21 63 31 31 25",
"output": "1"
},
{
"input": "70\n28 42 42 92 64 54 22 38 38 78 62 38 4 38 14 66 4 92 66 58 94 26 4 44 41 88 48 82 44 26 74 44 48 4 16 92 34 38 26 64 94 4 30 78 50 54 12 90 8 16 80 98 28 100 74 50 36 42 92 18 76 98 8 22 2 50 58 50 64 46",
"output": "25"
},
{
"input": "100\n43 35 79 53 13 91 91 45 65 83 57 9 42 39 85 45 71 51 61 59 31 13 63 39 25 21 79 39 91 67 21 61 97 75 93 83 29 79 59 97 11 37 63 51 39 55 91 23 21 17 47 23 35 75 49 5 69 99 5 7 41 17 25 89 15 79 21 63 53 81 43 91 59 91 69 99 85 15 91 51 49 37 65 7 89 81 21 93 61 63 97 93 45 17 13 69 57 25 75 73",
"output": "13"
},
{
"input": "100\n50 24 68 60 70 30 52 22 18 74 68 98 20 82 4 46 26 68 100 78 84 58 74 98 38 88 68 86 64 80 82 100 20 22 98 98 52 6 94 10 48 68 2 18 38 22 22 82 44 20 66 72 36 58 64 6 36 60 4 96 76 64 12 90 10 58 64 60 74 28 90 26 24 60 40 58 2 16 76 48 58 36 82 60 24 44 4 78 28 38 8 12 40 16 38 6 66 24 31 76",
"output": "99"
},
{
"input": "100\n47 48 94 48 14 18 94 36 96 22 12 30 94 20 48 98 40 58 2 94 8 36 98 18 98 68 2 60 76 38 18 100 8 72 100 68 2 86 92 72 58 16 48 14 6 58 72 76 6 88 80 66 20 28 74 62 86 68 90 86 2 56 34 38 56 90 4 8 76 44 32 86 12 98 38 34 54 92 70 94 10 24 82 66 90 58 62 2 32 58 100 22 58 72 2 22 68 72 42 14",
"output": "1"
},
{
"input": "99\n38 20 68 60 84 16 28 88 60 48 80 28 4 92 70 60 46 46 20 34 12 100 76 2 40 10 8 86 6 80 50 66 12 34 14 28 26 70 46 64 34 96 10 90 98 96 56 88 50 74 70 94 2 94 24 66 68 46 22 30 6 10 64 32 88 14 98 100 64 58 50 18 50 50 8 38 8 16 54 2 60 54 62 84 92 98 4 72 66 26 14 88 99 16 10 6 88 56 22",
"output": "93"
},
{
"input": "99\n50 83 43 89 53 47 69 1 5 37 63 87 95 15 55 95 75 89 33 53 89 75 93 75 11 85 49 29 11 97 49 67 87 11 25 37 97 73 67 49 87 43 53 97 43 29 53 33 45 91 37 73 39 49 59 5 21 43 87 35 5 63 89 57 63 47 29 99 19 85 13 13 3 13 43 19 5 9 61 51 51 57 15 89 13 97 41 13 99 79 13 27 97 95 73 33 99 27 23",
"output": "1"
},
{
"input": "98\n61 56 44 30 58 14 20 24 88 28 46 56 96 52 58 42 94 50 46 30 46 80 72 88 68 16 6 60 26 90 10 98 76 20 56 40 30 16 96 20 88 32 62 30 74 58 36 76 60 4 24 36 42 54 24 92 28 14 2 74 86 90 14 52 34 82 40 76 8 64 2 56 10 8 78 16 70 86 70 42 70 74 22 18 76 98 88 28 62 70 36 72 20 68 34 48 80 98",
"output": "1"
},
{
"input": "98\n66 26 46 42 78 32 76 42 26 82 8 12 4 10 24 26 64 44 100 46 94 64 30 18 88 28 8 66 30 82 82 28 74 52 62 80 80 60 94 86 64 32 44 88 92 20 12 74 94 28 34 58 4 22 16 10 94 76 82 58 40 66 22 6 30 32 92 54 16 76 74 98 18 48 48 30 92 2 16 42 84 74 30 60 64 52 50 26 16 86 58 96 79 60 20 62 82 94",
"output": "93"
},
{
"input": "95\n9 31 27 93 17 77 75 9 9 53 89 39 51 99 5 1 11 39 27 49 91 17 27 79 81 71 37 75 35 13 93 4 99 55 85 11 23 57 5 43 5 61 15 35 23 91 3 81 99 85 43 37 39 27 5 67 7 33 75 59 13 71 51 27 15 93 51 63 91 53 43 99 25 47 17 71 81 15 53 31 59 83 41 23 73 25 91 91 13 17 25 13 55 57 29",
"output": "32"
},
{
"input": "100\n91 89 81 45 53 1 41 3 77 93 55 97 55 97 87 27 69 95 73 41 93 21 75 35 53 56 5 51 87 59 91 67 33 3 99 45 83 17 97 47 75 97 7 89 17 99 23 23 81 25 55 97 27 35 69 5 77 35 93 19 55 59 37 21 31 37 49 41 91 53 73 69 7 37 37 39 17 71 7 97 55 17 47 23 15 73 31 39 57 37 9 5 61 41 65 57 77 79 35 47",
"output": "26"
},
{
"input": "99\n38 56 58 98 80 54 26 90 14 16 78 92 52 74 40 30 84 14 44 80 16 90 98 68 26 24 78 72 42 16 84 40 14 44 2 52 50 2 12 96 58 66 8 80 44 52 34 34 72 98 74 4 66 74 56 21 8 38 76 40 10 22 48 32 98 34 12 62 80 68 64 82 22 78 58 74 20 22 48 56 12 38 32 72 6 16 74 24 94 84 26 38 18 24 76 78 98 94 72",
"output": "56"
},
{
"input": "100\n44 40 6 40 56 90 98 8 36 64 76 86 98 76 36 92 6 30 98 70 24 98 96 60 24 82 88 68 86 96 34 42 58 10 40 26 56 10 88 58 70 32 24 28 14 82 52 12 62 36 70 60 52 34 74 30 78 76 10 16 42 94 66 90 70 38 52 12 58 22 98 96 14 68 24 70 4 30 84 98 8 50 14 52 66 34 100 10 28 100 56 48 38 12 38 14 91 80 70 86",
"output": "97"
},
{
"input": "100\n96 62 64 20 90 46 56 90 68 36 30 56 70 28 16 64 94 34 6 32 34 50 94 22 90 32 40 2 72 10 88 38 28 92 20 26 56 80 4 100 100 90 16 74 74 84 8 2 30 20 80 32 16 46 92 56 42 12 96 64 64 42 64 58 50 42 74 28 2 4 36 32 70 50 54 92 70 16 45 76 28 16 18 50 48 2 62 94 4 12 52 52 4 100 70 60 82 62 98 42",
"output": "79"
},
{
"input": "99\n14 26 34 68 90 58 50 36 8 16 18 6 2 74 54 20 36 84 32 50 52 2 26 24 3 64 20 10 54 26 66 44 28 72 4 96 78 90 96 86 68 28 94 4 12 46 100 32 22 36 84 32 44 94 76 94 4 52 12 30 74 4 34 64 58 72 44 16 70 56 54 8 14 74 8 6 58 62 98 54 14 40 80 20 36 72 28 98 20 58 40 52 90 64 22 48 54 70 52",
"output": "25"
},
{
"input": "95\n82 86 30 78 6 46 80 66 74 72 16 24 18 52 52 38 60 36 86 26 62 28 22 46 96 26 94 84 20 46 66 88 76 32 12 86 74 18 34 88 4 48 94 6 58 6 100 82 4 24 88 32 54 98 34 48 6 76 42 88 42 28 100 4 22 2 10 66 82 54 98 20 60 66 38 98 32 47 86 58 6 100 12 46 2 42 8 84 78 28 24 70 34 28 86",
"output": "78"
},
{
"input": "90\n40 50 8 42 76 24 58 42 26 68 20 48 54 12 34 84 14 36 32 88 6 50 96 56 20 92 48 16 40 34 96 46 20 84 30 50 20 98 8 44 96 42 8 76 70 38 84 30 40 88 84 72 2 22 52 58 16 62 100 66 80 40 50 32 14 62 88 72 22 99 76 50 84 82 8 82 98 46 26 40 2 98 18 78 30 72 70 18 34 68",
"output": "70"
},
{
"input": "80\n81 43 87 1 55 43 53 61 27 19 43 13 89 9 33 83 75 55 97 71 91 37 95 5 21 69 81 93 95 69 31 83 55 7 97 7 79 57 8 61 27 85 49 1 15 97 63 79 29 73 41 85 5 41 31 93 67 11 63 59 15 99 91 77 43 69 23 23 81 73 19 1 67 51 1 75 99 67 3 81",
"output": "39"
},
{
"input": "98\n13 83 61 27 35 1 85 95 97 73 95 65 73 45 5 43 27 83 91 19 11 3 85 59 9 39 69 23 45 7 51 85 5 71 5 95 1 51 75 3 43 57 3 11 33 71 21 99 47 41 87 39 71 87 31 85 91 49 83 5 49 85 47 91 55 99 33 23 31 23 23 73 29 77 55 31 25 5 81 49 91 15 15 39 87 5 9 40 69 47 29 33 11 21 49 79 51 83",
"output": "88"
},
{
"input": "3\n100 100 1",
"output": "3"
}
] | 1,645,502,081
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 32
| 92
| 0
|
odd=[]
even=[]
n=int(input())
m=list(map(int,input().split(' ')))
for i in range(n):
if (m[i]%2)==0:
even.append(i+1)
else:
odd.append(i+1)
if len(even)==1:
print(even[0])
else:
print(odd[0])
|
Title: IQ test
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Bob is preparing to pass IQ test. The most frequent task in this test is to find out which one of the given *n* numbers differs from the others. Bob observed that one number usually differs from the others in evenness. Help Bob — to check his answers, he needs a program that among the given *n* numbers finds one that is different in evenness.
Input Specification:
The first line contains integer *n* (3<=≤<=*n*<=≤<=100) — amount of numbers in the task. The second line contains *n* space-separated natural numbers, not exceeding 100. It is guaranteed, that exactly one of these numbers differs from the others in evenness.
Output Specification:
Output index of number that differs from the others in evenness. Numbers are numbered from 1 in the input order.
Demo Input:
['5\n2 4 7 8 10\n', '4\n1 2 1 1\n']
Demo Output:
['3\n', '2\n']
Note:
none
|
```python
odd=[]
even=[]
n=int(input())
m=list(map(int,input().split(' ')))
for i in range(n):
if (m[i]%2)==0:
even.append(i+1)
else:
odd.append(i+1)
if len(even)==1:
print(even[0])
else:
print(odd[0])
```
| 3.977
|
875
|
A
|
Classroom Watch
|
PROGRAMMING
| 1,200
|
[
"brute force",
"math"
] | null | null |
Eighth-grader Vova is on duty today in the class. After classes, he went into the office to wash the board, and found on it the number *n*. He asked what is this number and the teacher of mathematics Inna Petrovna answered Vova that *n* is the answer to the arithmetic task for first-graders. In the textbook, a certain positive integer *x* was given. The task was to add *x* to the sum of the digits of the number *x* written in decimal numeral system.
Since the number *n* on the board was small, Vova quickly guessed which *x* could be in the textbook. Now he wants to get a program which will search for arbitrary values of the number *n* for all suitable values of *x* or determine that such *x* does not exist. Write such a program for Vova.
|
The first line contains integer *n* (1<=≤<=*n*<=≤<=109).
|
In the first line print one integer *k* — number of different values of *x* satisfying the condition.
In next *k* lines print these values in ascending order.
|
[
"21\n",
"20\n"
] |
[
"1\n15\n",
"0\n"
] |
In the first test case *x* = 15 there is only one variant: 15 + 1 + 5 = 21.
In the second test case there are no such *x*.
| 500
|
[
{
"input": "21",
"output": "1\n15"
},
{
"input": "20",
"output": "0"
},
{
"input": "1",
"output": "0"
},
{
"input": "2",
"output": "1\n1"
},
{
"input": "3",
"output": "0"
},
{
"input": "100000001",
"output": "2\n99999937\n100000000"
},
{
"input": "1000000000",
"output": "1\n999999932"
},
{
"input": "999999979",
"output": "2\n999999899\n999999908"
},
{
"input": "9",
"output": "0"
},
{
"input": "10",
"output": "1\n5"
},
{
"input": "11",
"output": "1\n10"
},
{
"input": "39",
"output": "1\n33"
},
{
"input": "66",
"output": "1\n60"
},
{
"input": "75",
"output": "0"
},
{
"input": "100",
"output": "1\n86"
},
{
"input": "101",
"output": "2\n91\n100"
},
{
"input": "2014",
"output": "2\n1988\n2006"
},
{
"input": "999999994",
"output": "0"
}
] | 1,678,872,683
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 18
| 92
| 0
|
n = int(input())
li = [x for x in range(max(1, n-99), n) if x + sum(map(int, str(x))) == n]
print(len(li))
print(*li)
|
Title: Classroom Watch
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Eighth-grader Vova is on duty today in the class. After classes, he went into the office to wash the board, and found on it the number *n*. He asked what is this number and the teacher of mathematics Inna Petrovna answered Vova that *n* is the answer to the arithmetic task for first-graders. In the textbook, a certain positive integer *x* was given. The task was to add *x* to the sum of the digits of the number *x* written in decimal numeral system.
Since the number *n* on the board was small, Vova quickly guessed which *x* could be in the textbook. Now he wants to get a program which will search for arbitrary values of the number *n* for all suitable values of *x* or determine that such *x* does not exist. Write such a program for Vova.
Input Specification:
The first line contains integer *n* (1<=≤<=*n*<=≤<=109).
Output Specification:
In the first line print one integer *k* — number of different values of *x* satisfying the condition.
In next *k* lines print these values in ascending order.
Demo Input:
['21\n', '20\n']
Demo Output:
['1\n15\n', '0\n']
Note:
In the first test case *x* = 15 there is only one variant: 15 + 1 + 5 = 21.
In the second test case there are no such *x*.
|
```python
n = int(input())
li = [x for x in range(max(1, n-99), n) if x + sum(map(int, str(x))) == n]
print(len(li))
print(*li)
```
| 3
|
|
716
|
A
|
Crazy Computer
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
ZS the Coder is coding on a crazy computer. If you don't type in a word for a *c* consecutive seconds, everything you typed disappear!
More formally, if you typed a word at second *a* and then the next word at second *b*, then if *b*<=-<=*a*<=≤<=*c*, just the new word is appended to other words on the screen. If *b*<=-<=*a*<=><=*c*, then everything on the screen disappears and after that the word you have typed appears on the screen.
For example, if *c*<==<=5 and you typed words at seconds 1,<=3,<=8,<=14,<=19,<=20 then at the second 8 there will be 3 words on the screen. After that, everything disappears at the second 13 because nothing was typed. At the seconds 14 and 19 another two words are typed, and finally, at the second 20, one more word is typed, and a total of 3 words remain on the screen.
You're given the times when ZS the Coder typed the words. Determine how many words remain on the screen after he finished typing everything.
|
The first line contains two integers *n* and *c* (1<=≤<=*n*<=≤<=100<=000,<=1<=≤<=*c*<=≤<=109) — the number of words ZS the Coder typed and the crazy computer delay respectively.
The next line contains *n* integers *t*1,<=*t*2,<=...,<=*t**n* (1<=≤<=*t*1<=<<=*t*2<=<<=...<=<<=*t**n*<=≤<=109), where *t**i* denotes the second when ZS the Coder typed the *i*-th word.
|
Print a single positive integer, the number of words that remain on the screen after all *n* words was typed, in other words, at the second *t**n*.
|
[
"6 5\n1 3 8 14 19 20\n",
"6 1\n1 3 5 7 9 10\n"
] |
[
"3",
"2"
] |
The first sample is already explained in the problem statement.
For the second sample, after typing the first word at the second 1, it disappears because the next word is typed at the second 3 and 3 - 1 > 1. Similarly, only 1 word will remain at the second 9. Then, a word is typed at the second 10, so there will be two words on the screen, as the old word won't disappear because 10 - 9 ≤ 1.
| 500
|
[
{
"input": "6 5\n1 3 8 14 19 20",
"output": "3"
},
{
"input": "6 1\n1 3 5 7 9 10",
"output": "2"
},
{
"input": "1 1\n1000000000",
"output": "1"
},
{
"input": "5 5\n1 7 12 13 14",
"output": "4"
},
{
"input": "2 1000000000\n1 1000000000",
"output": "2"
},
{
"input": "3 5\n1 10 20",
"output": "1"
},
{
"input": "3 10\n1 2 3",
"output": "3"
},
{
"input": "2 1\n1 100",
"output": "1"
},
{
"input": "3 1\n1 2 10",
"output": "1"
},
{
"input": "2 1\n1 2",
"output": "2"
}
] | 1,636,025,117
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 81
| 109
| 13,004,800
|
#link : https://codeforces.com/contest/716/problem/A
#time: o(n)
n , m = map(int, input().split())
z = list(map(int,input().split()))
x = 1
for i in range(1,n):
if z[i]-z[i-1] <= m :
x+=1
else:
x = 1
print(x)
|
Title: Crazy Computer
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
ZS the Coder is coding on a crazy computer. If you don't type in a word for a *c* consecutive seconds, everything you typed disappear!
More formally, if you typed a word at second *a* and then the next word at second *b*, then if *b*<=-<=*a*<=≤<=*c*, just the new word is appended to other words on the screen. If *b*<=-<=*a*<=><=*c*, then everything on the screen disappears and after that the word you have typed appears on the screen.
For example, if *c*<==<=5 and you typed words at seconds 1,<=3,<=8,<=14,<=19,<=20 then at the second 8 there will be 3 words on the screen. After that, everything disappears at the second 13 because nothing was typed. At the seconds 14 and 19 another two words are typed, and finally, at the second 20, one more word is typed, and a total of 3 words remain on the screen.
You're given the times when ZS the Coder typed the words. Determine how many words remain on the screen after he finished typing everything.
Input Specification:
The first line contains two integers *n* and *c* (1<=≤<=*n*<=≤<=100<=000,<=1<=≤<=*c*<=≤<=109) — the number of words ZS the Coder typed and the crazy computer delay respectively.
The next line contains *n* integers *t*1,<=*t*2,<=...,<=*t**n* (1<=≤<=*t*1<=<<=*t*2<=<<=...<=<<=*t**n*<=≤<=109), where *t**i* denotes the second when ZS the Coder typed the *i*-th word.
Output Specification:
Print a single positive integer, the number of words that remain on the screen after all *n* words was typed, in other words, at the second *t**n*.
Demo Input:
['6 5\n1 3 8 14 19 20\n', '6 1\n1 3 5 7 9 10\n']
Demo Output:
['3', '2']
Note:
The first sample is already explained in the problem statement.
For the second sample, after typing the first word at the second 1, it disappears because the next word is typed at the second 3 and 3 - 1 > 1. Similarly, only 1 word will remain at the second 9. Then, a word is typed at the second 10, so there will be two words on the screen, as the old word won't disappear because 10 - 9 ≤ 1.
|
```python
#link : https://codeforces.com/contest/716/problem/A
#time: o(n)
n , m = map(int, input().split())
z = list(map(int,input().split()))
x = 1
for i in range(1,n):
if z[i]-z[i-1] <= m :
x+=1
else:
x = 1
print(x)
```
| 3
|
|
448
|
A
|
Rewards
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
Bizon the Champion is called the Champion for a reason.
Bizon the Champion has recently got a present — a new glass cupboard with *n* shelves and he decided to put all his presents there. All the presents can be divided into two types: medals and cups. Bizon the Champion has *a*1 first prize cups, *a*2 second prize cups and *a*3 third prize cups. Besides, he has *b*1 first prize medals, *b*2 second prize medals and *b*3 third prize medals.
Naturally, the rewards in the cupboard must look good, that's why Bizon the Champion decided to follow the rules:
- any shelf cannot contain both cups and medals at the same time; - no shelf can contain more than five cups; - no shelf can have more than ten medals.
Help Bizon the Champion find out if we can put all the rewards so that all the conditions are fulfilled.
|
The first line contains integers *a*1, *a*2 and *a*3 (0<=≤<=*a*1,<=*a*2,<=*a*3<=≤<=100). The second line contains integers *b*1, *b*2 and *b*3 (0<=≤<=*b*1,<=*b*2,<=*b*3<=≤<=100). The third line contains integer *n* (1<=≤<=*n*<=≤<=100).
The numbers in the lines are separated by single spaces.
|
Print "YES" (without the quotes) if all the rewards can be put on the shelves in the described manner. Otherwise, print "NO" (without the quotes).
|
[
"1 1 1\n1 1 1\n4\n",
"1 1 3\n2 3 4\n2\n",
"1 0 0\n1 0 0\n1\n"
] |
[
"YES\n",
"YES\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "1 1 1\n1 1 1\n4",
"output": "YES"
},
{
"input": "1 1 3\n2 3 4\n2",
"output": "YES"
},
{
"input": "1 0 0\n1 0 0\n1",
"output": "NO"
},
{
"input": "0 0 0\n0 0 0\n1",
"output": "YES"
},
{
"input": "100 100 100\n100 100 100\n100",
"output": "YES"
},
{
"input": "100 100 100\n100 100 100\n1",
"output": "NO"
},
{
"input": "1 10 100\n100 10 1\n20",
"output": "NO"
},
{
"input": "1 1 1\n0 0 0\n1",
"output": "YES"
},
{
"input": "0 0 0\n1 1 1\n1",
"output": "YES"
},
{
"input": "5 5 5\n0 0 0\n2",
"output": "NO"
},
{
"input": "0 0 0\n10 10 10\n2",
"output": "NO"
},
{
"input": "21 61 39\n63 58 69\n44",
"output": "YES"
},
{
"input": "18 95 4\n7 1 75\n46",
"output": "YES"
},
{
"input": "64 27 81\n72 35 23\n48",
"output": "YES"
},
{
"input": "6 6 6\n11 11 11\n7",
"output": "NO"
},
{
"input": "1 2 3\n2 4 6\n3",
"output": "NO"
},
{
"input": "1 2 3\n2 4 6\n4",
"output": "YES"
},
{
"input": "99 99 99\n99 99 99\n89",
"output": "NO"
},
{
"input": "5 0 0\n15 0 0\n2",
"output": "NO"
},
{
"input": "10 10 10\n0 0 0\n1",
"output": "NO"
},
{
"input": "1 1 1\n1 1 1\n15",
"output": "YES"
},
{
"input": "2 3 5\n2 3 5\n2",
"output": "NO"
},
{
"input": "2 2 2\n3 3 5\n3",
"output": "NO"
},
{
"input": "1 2 2\n2 4 4\n1",
"output": "NO"
},
{
"input": "1 2 3\n1 5 5\n2",
"output": "NO"
}
] | 1,635,742,697
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 0
| 30
| 4,198,400
|
a = int(input())
a = a+1
a = a+(a%2)
print(a)
# Mon Nov 01 2021 04:58:17 GMT+0000 (Coordinated Universal Time)
|
Title: Rewards
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Bizon the Champion is called the Champion for a reason.
Bizon the Champion has recently got a present — a new glass cupboard with *n* shelves and he decided to put all his presents there. All the presents can be divided into two types: medals and cups. Bizon the Champion has *a*1 first prize cups, *a*2 second prize cups and *a*3 third prize cups. Besides, he has *b*1 first prize medals, *b*2 second prize medals and *b*3 third prize medals.
Naturally, the rewards in the cupboard must look good, that's why Bizon the Champion decided to follow the rules:
- any shelf cannot contain both cups and medals at the same time; - no shelf can contain more than five cups; - no shelf can have more than ten medals.
Help Bizon the Champion find out if we can put all the rewards so that all the conditions are fulfilled.
Input Specification:
The first line contains integers *a*1, *a*2 and *a*3 (0<=≤<=*a*1,<=*a*2,<=*a*3<=≤<=100). The second line contains integers *b*1, *b*2 and *b*3 (0<=≤<=*b*1,<=*b*2,<=*b*3<=≤<=100). The third line contains integer *n* (1<=≤<=*n*<=≤<=100).
The numbers in the lines are separated by single spaces.
Output Specification:
Print "YES" (without the quotes) if all the rewards can be put on the shelves in the described manner. Otherwise, print "NO" (without the quotes).
Demo Input:
['1 1 1\n1 1 1\n4\n', '1 1 3\n2 3 4\n2\n', '1 0 0\n1 0 0\n1\n']
Demo Output:
['YES\n', 'YES\n', 'NO\n']
Note:
none
|
```python
a = int(input())
a = a+1
a = a+(a%2)
print(a)
# Mon Nov 01 2021 04:58:17 GMT+0000 (Coordinated Universal Time)
```
| -1
|
|
235
|
A
|
LCM Challenge
|
PROGRAMMING
| 1,600
|
[
"number theory"
] | null | null |
Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.
But I also don't want to use many numbers, so I'll choose three positive integers (they don't have to be distinct) which are not greater than *n*. Can you help me to find the maximum possible least common multiple of these three integers?
|
The first line contains an integer *n* (1<=≤<=*n*<=≤<=106) — the *n* mentioned in the statement.
|
Print a single integer — the maximum possible LCM of three not necessarily distinct positive integers that are not greater than *n*.
|
[
"9\n",
"7\n"
] |
[
"504\n",
"210\n"
] |
The least common multiple of some positive integers is the least positive integer which is multiple for each of them.
The result may become very large, 32-bit integer won't be enough. So using 64-bit integers is recommended.
For the last example, we can chose numbers 7, 6, 5 and the LCM of them is 7·6·5 = 210. It is the maximum value we can get.
| 500
|
[
{
"input": "9",
"output": "504"
},
{
"input": "7",
"output": "210"
},
{
"input": "1",
"output": "1"
},
{
"input": "5",
"output": "60"
},
{
"input": "6",
"output": "60"
},
{
"input": "33",
"output": "32736"
},
{
"input": "21",
"output": "7980"
},
{
"input": "2",
"output": "2"
},
{
"input": "41",
"output": "63960"
},
{
"input": "29",
"output": "21924"
},
{
"input": "117",
"output": "1560780"
},
{
"input": "149",
"output": "3241644"
},
{
"input": "733",
"output": "392222436"
},
{
"input": "925",
"output": "788888100"
},
{
"input": "509",
"output": "131096004"
},
{
"input": "829",
"output": "567662724"
},
{
"input": "117",
"output": "1560780"
},
{
"input": "605",
"output": "220348260"
},
{
"input": "245",
"output": "14526540"
},
{
"input": "925",
"output": "788888100"
},
{
"input": "213",
"output": "9527916"
},
{
"input": "53",
"output": "140556"
},
{
"input": "341",
"output": "39303660"
},
{
"input": "21",
"output": "7980"
},
{
"input": "605",
"output": "220348260"
},
{
"input": "149",
"output": "3241644"
},
{
"input": "733",
"output": "392222436"
},
{
"input": "117",
"output": "1560780"
},
{
"input": "53",
"output": "140556"
},
{
"input": "245",
"output": "14526540"
},
{
"input": "829",
"output": "567662724"
},
{
"input": "924",
"output": "783776526"
},
{
"input": "508",
"output": "130065780"
},
{
"input": "700",
"output": "341042100"
},
{
"input": "636",
"output": "254839470"
},
{
"input": "20",
"output": "6460"
},
{
"input": "604",
"output": "218891412"
},
{
"input": "796",
"output": "501826260"
},
{
"input": "732",
"output": "389016270"
},
{
"input": "412",
"output": "69256788"
},
{
"input": "700",
"output": "341042100"
},
{
"input": "244",
"output": "14289372"
},
{
"input": "828",
"output": "563559150"
},
{
"input": "508",
"output": "130065780"
},
{
"input": "796",
"output": "501826260"
},
{
"input": "636",
"output": "254839470"
},
{
"input": "924",
"output": "783776526"
},
{
"input": "245",
"output": "14526540"
},
{
"input": "828",
"output": "563559150"
},
{
"input": "21",
"output": "7980"
},
{
"input": "605",
"output": "220348260"
},
{
"input": "636",
"output": "254839470"
},
{
"input": "924",
"output": "783776526"
},
{
"input": "116",
"output": "1507420"
},
{
"input": "700",
"output": "341042100"
},
{
"input": "732",
"output": "389016270"
},
{
"input": "20",
"output": "6460"
},
{
"input": "508",
"output": "130065780"
},
{
"input": "148",
"output": "3154620"
},
{
"input": "828",
"output": "563559150"
},
{
"input": "763116",
"output": "444394078546562430"
},
{
"input": "756604",
"output": "433115377058855412"
},
{
"input": "447244",
"output": "89460162932862372"
},
{
"input": "372636",
"output": "51742503205363470"
},
{
"input": "546924",
"output": "163597318076822526"
},
{
"input": "540412",
"output": "157823524476316788"
},
{
"input": "714700",
"output": "365063922340784100"
},
{
"input": "520731",
"output": "141201007712496270"
},
{
"input": "695019",
"output": "335728459024850814"
},
{
"input": "688507",
"output": "326379736779169710"
},
{
"input": "862795",
"output": "642275489615199390"
},
{
"input": "668827",
"output": "299184742915995150"
},
{
"input": "810411",
"output": "532248411551110590"
},
{
"input": "836603",
"output": "585540171302562606"
},
{
"input": "978187",
"output": "935975171582120670"
},
{
"input": "816923",
"output": "545182335484592526"
},
{
"input": "958507",
"output": "880611813728059710"
},
{
"input": "984699",
"output": "954792870629291694"
},
{
"input": "642635",
"output": "265393998349453470"
},
{
"input": "296604",
"output": "26092892528622606"
},
{
"input": "1000000",
"output": "999996000003000000"
},
{
"input": "8",
"output": "280"
},
{
"input": "3",
"output": "6"
},
{
"input": "4",
"output": "12"
},
{
"input": "30",
"output": "21924"
},
{
"input": "18",
"output": "4080"
},
{
"input": "12",
"output": "990"
}
] | 1,655,098,387
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 87
| 216
| 0
|
import math
a=int(input())
if a==1 or a==2:
print(a)
exit()
if a%2==1:
ans=(a-1)*(a-2)*(a)
print(ans)
else:
if a%2==0 and a%3==0:
ans=(a-1)*(a-2)*(a-3)
print(ans)
# print()
else:
first=(a-1)*(a-2)*(a-3)
second=(a)*(a-1)*(a-3)
print(max(first,second))
|
Title: LCM Challenge
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Some days ago, I learned the concept of LCM (least common multiple). I've played with it for several times and I want to make a big number with it.
But I also don't want to use many numbers, so I'll choose three positive integers (they don't have to be distinct) which are not greater than *n*. Can you help me to find the maximum possible least common multiple of these three integers?
Input Specification:
The first line contains an integer *n* (1<=≤<=*n*<=≤<=106) — the *n* mentioned in the statement.
Output Specification:
Print a single integer — the maximum possible LCM of three not necessarily distinct positive integers that are not greater than *n*.
Demo Input:
['9\n', '7\n']
Demo Output:
['504\n', '210\n']
Note:
The least common multiple of some positive integers is the least positive integer which is multiple for each of them.
The result may become very large, 32-bit integer won't be enough. So using 64-bit integers is recommended.
For the last example, we can chose numbers 7, 6, 5 and the LCM of them is 7·6·5 = 210. It is the maximum value we can get.
|
```python
import math
a=int(input())
if a==1 or a==2:
print(a)
exit()
if a%2==1:
ans=(a-1)*(a-2)*(a)
print(ans)
else:
if a%2==0 and a%3==0:
ans=(a-1)*(a-2)*(a-3)
print(ans)
# print()
else:
first=(a-1)*(a-2)*(a-3)
second=(a)*(a-1)*(a-3)
print(max(first,second))
```
| 3
|
|
116
|
A
|
Tram
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
Linear Kingdom has exactly one tram line. It has *n* stops, numbered from 1 to *n* in the order of tram's movement. At the *i*-th stop *a**i* passengers exit the tram, while *b**i* passengers enter it. The tram is empty before it arrives at the first stop. Also, when the tram arrives at the last stop, all passengers exit so that it becomes empty.
Your task is to calculate the tram's minimum capacity such that the number of people inside the tram at any time never exceeds this capacity. Note that at each stop all exiting passengers exit before any entering passenger enters the tram.
|
The first line contains a single number *n* (2<=≤<=*n*<=≤<=1000) — the number of the tram's stops.
Then *n* lines follow, each contains two integers *a**i* and *b**i* (0<=≤<=*a**i*,<=*b**i*<=≤<=1000) — the number of passengers that exits the tram at the *i*-th stop, and the number of passengers that enter the tram at the *i*-th stop. The stops are given from the first to the last stop in the order of tram's movement.
- The number of people who exit at a given stop does not exceed the total number of people in the tram immediately before it arrives at the stop. More formally, . This particularly means that *a*1<==<=0. - At the last stop, all the passengers exit the tram and it becomes empty. More formally, . - No passenger will enter the train at the last stop. That is, *b**n*<==<=0.
|
Print a single integer denoting the minimum possible capacity of the tram (0 is allowed).
|
[
"4\n0 3\n2 5\n4 2\n4 0\n"
] |
[
"6\n"
] |
For the first example, a capacity of 6 is sufficient:
- At the first stop, the number of passengers inside the tram before arriving is 0. Then, 3 passengers enter the tram, and the number of passengers inside the tram becomes 3. - At the second stop, 2 passengers exit the tram (1 passenger remains inside). Then, 5 passengers enter the tram. There are 6 passengers inside the tram now. - At the third stop, 4 passengers exit the tram (2 passengers remain inside). Then, 2 passengers enter the tram. There are 4 passengers inside the tram now. - Finally, all the remaining passengers inside the tram exit the tram at the last stop. There are no passenger inside the tram now, which is in line with the constraints.
Since the number of passengers inside the tram never exceeds 6, a capacity of 6 is sufficient. Furthermore it is not possible for the tram to have a capacity less than 6. Hence, 6 is the correct answer.
| 500
|
[
{
"input": "4\n0 3\n2 5\n4 2\n4 0",
"output": "6"
},
{
"input": "5\n0 4\n4 6\n6 5\n5 4\n4 0",
"output": "6"
},
{
"input": "10\n0 5\n1 7\n10 8\n5 3\n0 5\n3 3\n8 8\n0 6\n10 1\n9 0",
"output": "18"
},
{
"input": "3\n0 1\n1 1\n1 0",
"output": "1"
},
{
"input": "4\n0 1\n0 1\n1 0\n1 0",
"output": "2"
},
{
"input": "3\n0 0\n0 0\n0 0",
"output": "0"
},
{
"input": "3\n0 1000\n1000 1000\n1000 0",
"output": "1000"
},
{
"input": "5\n0 73\n73 189\n189 766\n766 0\n0 0",
"output": "766"
},
{
"input": "5\n0 0\n0 0\n0 0\n0 1\n1 0",
"output": "1"
},
{
"input": "5\n0 917\n917 923\n904 992\n1000 0\n11 0",
"output": "1011"
},
{
"input": "5\n0 1\n1 2\n2 1\n1 2\n2 0",
"output": "2"
},
{
"input": "5\n0 0\n0 0\n0 0\n0 0\n0 0",
"output": "0"
},
{
"input": "20\n0 7\n2 1\n2 2\n5 7\n2 6\n6 10\n2 4\n0 4\n7 4\n8 0\n10 6\n2 1\n6 1\n1 7\n0 3\n8 7\n6 3\n6 3\n1 1\n3 0",
"output": "22"
},
{
"input": "5\n0 1000\n1000 1000\n1000 1000\n1000 1000\n1000 0",
"output": "1000"
},
{
"input": "10\n0 592\n258 598\n389 203\n249 836\n196 635\n478 482\n994 987\n1000 0\n769 0\n0 0",
"output": "1776"
},
{
"input": "10\n0 1\n1 0\n0 0\n0 0\n0 0\n0 1\n1 1\n0 1\n1 0\n1 0",
"output": "2"
},
{
"input": "10\n0 926\n926 938\n938 931\n931 964\n937 989\n983 936\n908 949\n997 932\n945 988\n988 0",
"output": "1016"
},
{
"input": "10\n0 1\n1 2\n1 2\n2 2\n2 2\n2 2\n1 1\n1 1\n2 1\n2 0",
"output": "3"
},
{
"input": "10\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0",
"output": "0"
},
{
"input": "10\n0 1000\n1000 1000\n1000 1000\n1000 1000\n1000 1000\n1000 1000\n1000 1000\n1000 1000\n1000 1000\n1000 0",
"output": "1000"
},
{
"input": "50\n0 332\n332 268\n268 56\n56 711\n420 180\n160 834\n149 341\n373 777\n763 93\n994 407\n86 803\n700 132\n471 608\n429 467\n75 5\n638 305\n405 853\n316 478\n643 163\n18 131\n648 241\n241 766\n316 847\n640 380\n923 759\n789 41\n125 421\n421 9\n9 388\n388 829\n408 108\n462 856\n816 411\n518 688\n290 7\n405 912\n397 772\n396 652\n394 146\n27 648\n462 617\n514 433\n780 35\n710 705\n460 390\n194 508\n643 56\n172 469\n1000 0\n194 0",
"output": "2071"
},
{
"input": "50\n0 0\n0 1\n1 1\n0 1\n0 0\n1 0\n0 0\n1 0\n0 0\n0 0\n0 0\n0 0\n0 1\n0 0\n0 0\n0 1\n1 0\n0 1\n0 0\n1 1\n1 0\n0 1\n0 0\n1 1\n0 1\n1 0\n1 1\n1 0\n0 0\n1 1\n1 0\n0 1\n0 0\n0 1\n1 1\n1 1\n1 1\n1 0\n1 1\n1 0\n0 1\n1 0\n0 0\n0 1\n1 1\n1 1\n0 1\n0 0\n1 0\n1 0",
"output": "3"
},
{
"input": "50\n0 926\n926 971\n915 980\n920 965\n954 944\n928 952\n955 980\n916 980\n906 935\n944 913\n905 923\n912 922\n965 934\n912 900\n946 930\n931 983\n979 905\n925 969\n924 926\n910 914\n921 977\n934 979\n962 986\n942 909\n976 903\n982 982\n991 941\n954 929\n902 980\n947 983\n919 924\n917 943\n916 905\n907 913\n964 977\n984 904\n905 999\n950 970\n986 906\n993 970\n960 994\n963 983\n918 986\n980 900\n931 986\n993 997\n941 909\n907 909\n1000 0\n278 0",
"output": "1329"
},
{
"input": "2\n0 863\n863 0",
"output": "863"
},
{
"input": "50\n0 1\n1 2\n2 2\n1 1\n1 1\n1 2\n1 2\n1 1\n1 2\n1 1\n1 1\n1 2\n1 2\n1 1\n2 1\n2 2\n1 2\n2 2\n1 2\n2 1\n2 1\n2 2\n2 1\n1 2\n1 2\n2 1\n1 1\n2 2\n1 1\n2 1\n2 2\n2 1\n1 2\n2 2\n1 2\n1 1\n1 1\n2 1\n2 1\n2 2\n2 1\n2 1\n1 2\n1 2\n1 2\n1 2\n2 0\n2 0\n2 0\n0 0",
"output": "8"
},
{
"input": "50\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0",
"output": "0"
},
{
"input": "100\n0 1\n0 0\n0 0\n1 0\n0 0\n0 1\n0 1\n1 1\n0 0\n0 0\n1 1\n0 0\n1 1\n0 1\n1 1\n0 1\n1 1\n1 0\n1 0\n0 0\n1 0\n0 1\n1 0\n0 0\n0 0\n1 1\n1 1\n0 1\n0 0\n1 0\n1 1\n0 1\n1 0\n1 1\n0 1\n1 1\n1 0\n0 0\n0 0\n0 1\n0 0\n0 1\n1 1\n0 0\n1 1\n1 1\n0 0\n0 1\n1 0\n0 1\n0 0\n0 1\n0 1\n1 1\n1 1\n1 1\n0 0\n0 0\n1 1\n0 1\n0 1\n1 0\n0 0\n0 0\n1 1\n0 1\n0 1\n1 1\n1 1\n0 1\n1 1\n1 1\n0 0\n1 0\n0 1\n0 0\n0 0\n1 1\n1 1\n1 1\n1 1\n0 1\n1 0\n1 0\n1 0\n1 0\n1 0\n0 0\n1 0\n1 0\n0 0\n1 0\n0 0\n0 1\n1 0\n0 1\n1 0\n1 0\n1 0\n1 0",
"output": "11"
},
{
"input": "100\n0 2\n1 2\n2 1\n1 2\n1 2\n2 1\n2 2\n1 1\n1 1\n2 1\n1 2\n2 1\n1 2\n2 2\n2 2\n2 2\n1 2\n2 2\n2 1\n1 1\n1 1\n1 1\n2 2\n1 2\n2 2\n1 1\n1 1\n1 1\n1 1\n2 2\n1 2\n2 1\n1 1\n2 2\n1 1\n2 1\n1 1\n2 2\n2 1\n1 2\n1 1\n1 2\n2 1\n2 2\n1 1\n2 1\n1 1\n2 1\n1 1\n1 2\n2 2\n2 2\n1 1\n2 2\n1 2\n2 1\n2 1\n1 1\n1 1\n1 2\n1 2\n1 1\n1 1\n2 1\n1 2\n1 2\n2 1\n2 2\n2 2\n2 2\n2 1\n2 2\n1 1\n1 2\n1 2\n1 1\n2 2\n2 2\n1 1\n2 1\n1 1\n1 2\n1 2\n1 2\n1 1\n1 1\n2 2\n1 2\n2 1\n2 1\n2 1\n1 2\n1 2\n1 1\n2 2\n1 2\n2 0\n2 0\n2 0\n1 0",
"output": "7"
},
{
"input": "100\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0\n0 0",
"output": "0"
},
{
"input": "2\n0 1\n1 0",
"output": "1"
},
{
"input": "2\n0 900\n900 0",
"output": "900"
},
{
"input": "2\n0 1\n1 0",
"output": "1"
},
{
"input": "2\n0 0\n0 0",
"output": "0"
},
{
"input": "2\n0 1000\n1000 0",
"output": "1000"
},
{
"input": "3\n0 802\n175 188\n815 0",
"output": "815"
},
{
"input": "3\n0 910\n910 976\n976 0",
"output": "976"
},
{
"input": "3\n0 2\n2 1\n1 0",
"output": "2"
}
] | 1,695,537,792
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 71
| 218
| 1,945,600
|
n = int(input())
a = []
k = 0
d = 0
for i in range(n):
a = [int(i) for i in input().split()]
d += a[1] - a[0]
if d > k:
k = d
print(k)
|
Title: Tram
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Linear Kingdom has exactly one tram line. It has *n* stops, numbered from 1 to *n* in the order of tram's movement. At the *i*-th stop *a**i* passengers exit the tram, while *b**i* passengers enter it. The tram is empty before it arrives at the first stop. Also, when the tram arrives at the last stop, all passengers exit so that it becomes empty.
Your task is to calculate the tram's minimum capacity such that the number of people inside the tram at any time never exceeds this capacity. Note that at each stop all exiting passengers exit before any entering passenger enters the tram.
Input Specification:
The first line contains a single number *n* (2<=≤<=*n*<=≤<=1000) — the number of the tram's stops.
Then *n* lines follow, each contains two integers *a**i* and *b**i* (0<=≤<=*a**i*,<=*b**i*<=≤<=1000) — the number of passengers that exits the tram at the *i*-th stop, and the number of passengers that enter the tram at the *i*-th stop. The stops are given from the first to the last stop in the order of tram's movement.
- The number of people who exit at a given stop does not exceed the total number of people in the tram immediately before it arrives at the stop. More formally, . This particularly means that *a*1<==<=0. - At the last stop, all the passengers exit the tram and it becomes empty. More formally, . - No passenger will enter the train at the last stop. That is, *b**n*<==<=0.
Output Specification:
Print a single integer denoting the minimum possible capacity of the tram (0 is allowed).
Demo Input:
['4\n0 3\n2 5\n4 2\n4 0\n']
Demo Output:
['6\n']
Note:
For the first example, a capacity of 6 is sufficient:
- At the first stop, the number of passengers inside the tram before arriving is 0. Then, 3 passengers enter the tram, and the number of passengers inside the tram becomes 3. - At the second stop, 2 passengers exit the tram (1 passenger remains inside). Then, 5 passengers enter the tram. There are 6 passengers inside the tram now. - At the third stop, 4 passengers exit the tram (2 passengers remain inside). Then, 2 passengers enter the tram. There are 4 passengers inside the tram now. - Finally, all the remaining passengers inside the tram exit the tram at the last stop. There are no passenger inside the tram now, which is in line with the constraints.
Since the number of passengers inside the tram never exceeds 6, a capacity of 6 is sufficient. Furthermore it is not possible for the tram to have a capacity less than 6. Hence, 6 is the correct answer.
|
```python
n = int(input())
a = []
k = 0
d = 0
for i in range(n):
a = [int(i) for i in input().split()]
d += a[1] - a[0]
if d > k:
k = d
print(k)
```
| 3
|
|
893
|
B
|
Beautiful Divisors
|
PROGRAMMING
| 1,000
|
[
"brute force",
"implementation"
] | null | null |
Recently Luba learned about a special kind of numbers that she calls beautiful numbers. The number is called beautiful iff its binary representation consists of *k*<=+<=1 consecutive ones, and then *k* consecutive zeroes.
Some examples of beautiful numbers:
- 12 (110); - 1102 (610); - 11110002 (12010); - 1111100002 (49610).
More formally, the number is beautiful iff there exists some positive integer *k* such that the number is equal to (2*k*<=-<=1)<=*<=(2*k*<=-<=1).
Luba has got an integer number *n*, and she wants to find its greatest beautiful divisor. Help her to find it!
|
The only line of input contains one number *n* (1<=≤<=*n*<=≤<=105) — the number Luba has got.
|
Output one number — the greatest beautiful divisor of Luba's number. It is obvious that the answer always exists.
|
[
"3\n",
"992\n"
] |
[
"1\n",
"496\n"
] |
none
| 0
|
[
{
"input": "3",
"output": "1"
},
{
"input": "992",
"output": "496"
},
{
"input": "81142",
"output": "1"
},
{
"input": "76920",
"output": "120"
},
{
"input": "2016",
"output": "2016"
},
{
"input": "1",
"output": "1"
},
{
"input": "6",
"output": "6"
},
{
"input": "32640",
"output": "32640"
},
{
"input": "12096",
"output": "2016"
},
{
"input": "55948",
"output": "1"
},
{
"input": "47262",
"output": "6"
},
{
"input": "22876",
"output": "28"
},
{
"input": "96120",
"output": "120"
},
{
"input": "42160",
"output": "496"
},
{
"input": "38304",
"output": "2016"
},
{
"input": "89408",
"output": "8128"
},
{
"input": "97920",
"output": "32640"
},
{
"input": "55493",
"output": "1"
},
{
"input": "38021",
"output": "1"
},
{
"input": "21445",
"output": "1"
},
{
"input": "100000",
"output": "1"
},
{
"input": "497",
"output": "1"
},
{
"input": "240",
"output": "120"
},
{
"input": "21204",
"output": "6"
},
{
"input": "65536",
"output": "1"
},
{
"input": "364",
"output": "28"
},
{
"input": "1024",
"output": "1"
},
{
"input": "36",
"output": "6"
},
{
"input": "28",
"output": "28"
},
{
"input": "14400",
"output": "120"
},
{
"input": "10080",
"output": "2016"
},
{
"input": "9",
"output": "1"
},
{
"input": "2",
"output": "1"
},
{
"input": "42",
"output": "6"
},
{
"input": "83160",
"output": "120"
},
{
"input": "65534",
"output": "1"
},
{
"input": "1026",
"output": "6"
},
{
"input": "1025",
"output": "1"
},
{
"input": "1027",
"output": "1"
},
{
"input": "2018",
"output": "1"
},
{
"input": "2020",
"output": "1"
},
{
"input": "123",
"output": "1"
},
{
"input": "150",
"output": "6"
},
{
"input": "5",
"output": "1"
},
{
"input": "66",
"output": "6"
},
{
"input": "12768",
"output": "28"
},
{
"input": "156",
"output": "6"
},
{
"input": "99990",
"output": "6"
},
{
"input": "248",
"output": "1"
}
] | 1,696,152,568
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 49
| 77
| 0
|
n = int(input())
l = [1,6,28,120,496,2016,8128,32640]
a=[]
for i in l:
if n%i ==0 :
a.append(i)
print(a[-1])
|
Title: Beautiful Divisors
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Recently Luba learned about a special kind of numbers that she calls beautiful numbers. The number is called beautiful iff its binary representation consists of *k*<=+<=1 consecutive ones, and then *k* consecutive zeroes.
Some examples of beautiful numbers:
- 12 (110); - 1102 (610); - 11110002 (12010); - 1111100002 (49610).
More formally, the number is beautiful iff there exists some positive integer *k* such that the number is equal to (2*k*<=-<=1)<=*<=(2*k*<=-<=1).
Luba has got an integer number *n*, and she wants to find its greatest beautiful divisor. Help her to find it!
Input Specification:
The only line of input contains one number *n* (1<=≤<=*n*<=≤<=105) — the number Luba has got.
Output Specification:
Output one number — the greatest beautiful divisor of Luba's number. It is obvious that the answer always exists.
Demo Input:
['3\n', '992\n']
Demo Output:
['1\n', '496\n']
Note:
none
|
```python
n = int(input())
l = [1,6,28,120,496,2016,8128,32640]
a=[]
for i in l:
if n%i ==0 :
a.append(i)
print(a[-1])
```
| 3
|
|
43
|
A
|
Football
|
PROGRAMMING
| 1,000
|
[
"strings"
] |
A. Football
|
2
|
256
|
One day Vasya decided to have a look at the results of Berland 1910 Football Championship’s finals. Unfortunately he didn't find the overall score of the match; however, he got hold of a profound description of the match's process. On the whole there are *n* lines in that description each of which described one goal. Every goal was marked with the name of the team that had scored it. Help Vasya, learn the name of the team that won the finals. It is guaranteed that the match did not end in a tie.
|
The first line contains an integer *n* (1<=≤<=*n*<=≤<=100) — the number of lines in the description. Then follow *n* lines — for each goal the names of the teams that scored it. The names are non-empty lines consisting of uppercase Latin letters whose lengths do not exceed 10 symbols. It is guaranteed that the match did not end in a tie and the description contains no more than two different teams.
|
Print the name of the winning team. We remind you that in football the team that scores more goals is considered the winner.
|
[
"1\nABC\n",
"5\nA\nABA\nABA\nA\nA\n"
] |
[
"ABC\n",
"A\n"
] |
none
| 500
|
[
{
"input": "1\nABC",
"output": "ABC"
},
{
"input": "5\nA\nABA\nABA\nA\nA",
"output": "A"
},
{
"input": "2\nXTSJEP\nXTSJEP",
"output": "XTSJEP"
},
{
"input": "3\nXZYDJAEDZ\nXZYDJAEDZ\nXZYDJAEDZ",
"output": "XZYDJAEDZ"
},
{
"input": "3\nQCCYXL\nQCCYXL\nAXGLFQDD",
"output": "QCCYXL"
},
{
"input": "3\nAZID\nEERWBC\nEERWBC",
"output": "EERWBC"
},
{
"input": "3\nHNCGYL\nHNCGYL\nHNCGYL",
"output": "HNCGYL"
},
{
"input": "4\nZZWZTG\nZZWZTG\nZZWZTG\nZZWZTG",
"output": "ZZWZTG"
},
{
"input": "4\nA\nA\nKUDLJMXCSE\nA",
"output": "A"
},
{
"input": "5\nPHBTW\nPHBTW\nPHBTW\nPHBTW\nPHBTW",
"output": "PHBTW"
},
{
"input": "5\nPKUZYTFYWN\nPKUZYTFYWN\nSTC\nPKUZYTFYWN\nPKUZYTFYWN",
"output": "PKUZYTFYWN"
},
{
"input": "5\nHH\nHH\nNTQWPA\nNTQWPA\nHH",
"output": "HH"
},
{
"input": "10\nW\nW\nW\nW\nW\nD\nW\nD\nD\nW",
"output": "W"
},
{
"input": "19\nXBCP\nTGACNIH\nXBCP\nXBCP\nXBCP\nXBCP\nXBCP\nTGACNIH\nXBCP\nXBCP\nXBCP\nXBCP\nXBCP\nTGACNIH\nXBCP\nXBCP\nTGACNIH\nTGACNIH\nXBCP",
"output": "XBCP"
},
{
"input": "33\nOWQWCKLLF\nOWQWCKLLF\nOWQWCKLLF\nPYPAS\nPYPAS\nPYPAS\nOWQWCKLLF\nPYPAS\nOWQWCKLLF\nPYPAS\nPYPAS\nOWQWCKLLF\nOWQWCKLLF\nOWQWCKLLF\nPYPAS\nOWQWCKLLF\nPYPAS\nPYPAS\nPYPAS\nPYPAS\nOWQWCKLLF\nPYPAS\nPYPAS\nOWQWCKLLF\nOWQWCKLLF\nPYPAS\nOWQWCKLLF\nOWQWCKLLF\nPYPAS\nPYPAS\nOWQWCKLLF\nPYPAS\nPYPAS",
"output": "PYPAS"
},
{
"input": "51\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC\nNC",
"output": "NC"
},
{
"input": "89\nH\nVOCI\nVOCI\nH\nVOCI\nH\nH\nVOCI\nVOCI\nVOCI\nH\nH\nH\nVOCI\nVOCI\nVOCI\nH\nVOCI\nVOCI\nH\nVOCI\nVOCI\nVOCI\nH\nVOCI\nH\nVOCI\nH\nVOCI\nH\nVOCI\nVOCI\nH\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nH\nVOCI\nVOCI\nVOCI\nVOCI\nH\nVOCI\nH\nH\nVOCI\nH\nVOCI\nH\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nH\nH\nVOCI\nH\nH\nVOCI\nH\nVOCI\nH\nVOCI\nVOCI\nH\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nVOCI\nH\nH\nH\nH\nH\nVOCI\nH\nVOCI\nH\nVOCI\nVOCI",
"output": "VOCI"
},
{
"input": "100\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nM\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA\nHA",
"output": "HA"
},
{
"input": "100\nG\nG\nS\nS\nG\nG\nS\nS\nG\nS\nS\nS\nG\nS\nG\nG\nS\nG\nS\nS\nG\nS\nS\nS\nS\nS\nG\nS\nG\nS\nS\nG\nG\nG\nS\nS\nS\nS\nG\nS\nS\nG\nG\nG\nG\nG\nS\nG\nG\nS\nS\nS\nS\nS\nG\nG\nS\nG\nG\nG\nG\nG\nS\nS\nG\nS\nS\nS\nS\nG\nS\nS\nG\nS\nG\nG\nG\nG\nG\nG\nG\nG\nG\nG\nG\nS\nS\nG\nS\nS\nS\nS\nG\nG\nG\nS\nG\nG\nG\nS",
"output": "G"
},
{
"input": "100\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nOBH\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL\nWL",
"output": "WL"
}
] | 1,653,099,511
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 0
| 30
| 0
|
n_games = int(input())
d = {}
for i in range(n_games):
team = input()
if team not in d:
d[team] = 1
else:
d[team] += 1
t1, t2 = list(d.keys())
if d[t1] > d[t2]: print(t1)
else: print(t2)
|
Title: Football
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
One day Vasya decided to have a look at the results of Berland 1910 Football Championship’s finals. Unfortunately he didn't find the overall score of the match; however, he got hold of a profound description of the match's process. On the whole there are *n* lines in that description each of which described one goal. Every goal was marked with the name of the team that had scored it. Help Vasya, learn the name of the team that won the finals. It is guaranteed that the match did not end in a tie.
Input Specification:
The first line contains an integer *n* (1<=≤<=*n*<=≤<=100) — the number of lines in the description. Then follow *n* lines — for each goal the names of the teams that scored it. The names are non-empty lines consisting of uppercase Latin letters whose lengths do not exceed 10 symbols. It is guaranteed that the match did not end in a tie and the description contains no more than two different teams.
Output Specification:
Print the name of the winning team. We remind you that in football the team that scores more goals is considered the winner.
Demo Input:
['1\nABC\n', '5\nA\nABA\nABA\nA\nA\n']
Demo Output:
['ABC\n', 'A\n']
Note:
none
|
```python
n_games = int(input())
d = {}
for i in range(n_games):
team = input()
if team not in d:
d[team] = 1
else:
d[team] += 1
t1, t2 = list(d.keys())
if d[t1] > d[t2]: print(t1)
else: print(t2)
```
| -1
|
507
|
C
|
Guess Your Way Out!
|
PROGRAMMING
| 1,700
|
[
"implementation",
"math",
"trees"
] | null | null |
Amr bought a new video game "Guess Your Way Out!". The goal of the game is to find an exit from the maze that looks like a perfect binary tree of height *h*. The player is initially standing at the root of the tree and the exit from the tree is located at some leaf node.
Let's index all the leaf nodes from the left to the right from 1 to 2*h*. The exit is located at some node *n* where 1<=≤<=*n*<=≤<=2*h*, the player doesn't know where the exit is so he has to guess his way out!
Amr follows simple algorithm to choose the path. Let's consider infinite command string "LRLRLRLRL..." (consisting of alternating characters 'L' and 'R'). Amr sequentially executes the characters of the string using following rules:
- Character 'L' means "go to the left child of the current node"; - Character 'R' means "go to the right child of the current node"; - If the destination node is already visited, Amr skips current command, otherwise he moves to the destination node; - If Amr skipped two consecutive commands, he goes back to the parent of the current node before executing next command; - If he reached a leaf node that is not the exit, he returns to the parent of the current node; - If he reaches an exit, the game is finished.
Now Amr wonders, if he follows this algorithm, how many nodes he is going to visit before reaching the exit?
|
Input consists of two integers *h*,<=*n* (1<=≤<=*h*<=≤<=50, 1<=≤<=*n*<=≤<=2*h*).
|
Output a single integer representing the number of nodes (excluding the exit node) Amr is going to visit before reaching the exit by following this algorithm.
|
[
"1 2\n",
"2 3\n",
"3 6\n",
"10 1024\n"
] |
[
"2",
"5",
"10",
"2046"
] |
A perfect binary tree of height *h* is a binary tree consisting of *h* + 1 levels. Level 0 consists of a single node called root, level *h* consists of 2<sup class="upper-index">*h*</sup> nodes called leaves. Each node that is not a leaf has exactly two children, left and right one.
Following picture illustrates the sample test number 3. Nodes are labeled according to the order of visit.
<img class="tex-graphics" src="https://espresso.codeforces.com/e9d0715dc8cd9b4f6ac7a0fb137563f857660adc.png" style="max-width: 100.0%;max-height: 100.0%;"/>
| 1,500
|
[
{
"input": "1 2",
"output": "2"
},
{
"input": "2 3",
"output": "5"
},
{
"input": "3 6",
"output": "10"
},
{
"input": "10 1024",
"output": "2046"
},
{
"input": "10 577",
"output": "1345"
},
{
"input": "11 550",
"output": "408"
},
{
"input": "19 12783",
"output": "503251"
},
{
"input": "28 72803174",
"output": "50649698"
},
{
"input": "39 457181784666",
"output": "830699159852"
},
{
"input": "12 955",
"output": "2871"
},
{
"input": "13 154",
"output": "7770"
},
{
"input": "14 2334",
"output": "9440"
},
{
"input": "15 15512",
"output": "14926"
},
{
"input": "16 21395",
"output": "2899"
},
{
"input": "17 80239",
"output": "177237"
},
{
"input": "18 153276",
"output": "328766"
},
{
"input": "20 589266",
"output": "1505684"
},
{
"input": "21 1687606",
"output": "3522472"
},
{
"input": "24 14428281",
"output": "26969983"
},
{
"input": "29 113463931",
"output": "347736449"
},
{
"input": "1 1",
"output": "1"
},
{
"input": "3 8",
"output": "14"
},
{
"input": "31 1819651953",
"output": "3412135549"
},
{
"input": "33 2599588275",
"output": "1357401405"
},
{
"input": "38 262402936512",
"output": "519008349260"
},
{
"input": "4 13",
"output": "27"
},
{
"input": "40 615535158153",
"output": "1572205271927"
},
{
"input": "42 1042128038474",
"output": "3195908899134"
},
{
"input": "45 17519319833295",
"output": "17381304930499"
},
{
"input": "46 34999315964173",
"output": "34646522010881"
},
{
"input": "49 295606900104348",
"output": "820858833984106"
},
{
"input": "50 905353992267944",
"output": "1871650493613618"
},
{
"input": "3 5",
"output": "11"
},
{
"input": "4 14",
"output": "26"
},
{
"input": "6 40",
"output": "88"
},
{
"input": "7 31",
"output": "95"
},
{
"input": "8 19",
"output": "205"
},
{
"input": "10 359",
"output": "91"
},
{
"input": "11 349",
"output": "1057"
},
{
"input": "13 4796",
"output": "10298"
},
{
"input": "20 742273",
"output": "1182599"
},
{
"input": "22 3343393",
"output": "7009189"
},
{
"input": "24 3543583",
"output": "10865127"
},
{
"input": "25 678676",
"output": "31527640"
},
{
"input": "27 109473899",
"output": "209022797"
},
{
"input": "29 19827102",
"output": "478963048"
},
{
"input": "8 204",
"output": "422"
},
{
"input": "30 414940886",
"output": "372407442"
},
{
"input": "32 3786259360",
"output": "8003335020"
},
{
"input": "35 31233562499",
"output": "60951693197"
},
{
"input": "38 99361414961",
"output": "28342263489"
},
{
"input": "9 43",
"output": "391"
},
{
"input": "40 874338951117",
"output": "1800799608767"
},
{
"input": "33 2696188969",
"output": "505562011"
},
{
"input": "35 12080044014",
"output": "2415167450"
},
{
"input": "12 2715",
"output": "4185"
},
{
"input": "29 524109003",
"output": "1052258991"
},
{
"input": "50 1",
"output": "1125899906842623"
},
{
"input": "50 1125899906842624",
"output": "2251799813685246"
},
{
"input": "50 562949953421312",
"output": "562949953421312"
},
{
"input": "50 844424930131968",
"output": "1407374883553280"
},
{
"input": "50 375299968947542",
"output": "50"
}
] | 1,586,422,943
| 2,147,483,647
|
PyPy 3
|
TIME_LIMIT_EXCEEDED
|
TESTS
| 0
| 1,000
| 1,228,800
|
h,n=map(int,input().split(" "))
res=0
s=0
while(h!=0):
res+=1
if s^(n>(1<<(h-1))):
res+=1<<(h) - 1
else:
s^=1
if n>1<<(h-1):
n-=1<<(h-1)
print(res)
|
Title: Guess Your Way Out!
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Amr bought a new video game "Guess Your Way Out!". The goal of the game is to find an exit from the maze that looks like a perfect binary tree of height *h*. The player is initially standing at the root of the tree and the exit from the tree is located at some leaf node.
Let's index all the leaf nodes from the left to the right from 1 to 2*h*. The exit is located at some node *n* where 1<=≤<=*n*<=≤<=2*h*, the player doesn't know where the exit is so he has to guess his way out!
Amr follows simple algorithm to choose the path. Let's consider infinite command string "LRLRLRLRL..." (consisting of alternating characters 'L' and 'R'). Amr sequentially executes the characters of the string using following rules:
- Character 'L' means "go to the left child of the current node"; - Character 'R' means "go to the right child of the current node"; - If the destination node is already visited, Amr skips current command, otherwise he moves to the destination node; - If Amr skipped two consecutive commands, he goes back to the parent of the current node before executing next command; - If he reached a leaf node that is not the exit, he returns to the parent of the current node; - If he reaches an exit, the game is finished.
Now Amr wonders, if he follows this algorithm, how many nodes he is going to visit before reaching the exit?
Input Specification:
Input consists of two integers *h*,<=*n* (1<=≤<=*h*<=≤<=50, 1<=≤<=*n*<=≤<=2*h*).
Output Specification:
Output a single integer representing the number of nodes (excluding the exit node) Amr is going to visit before reaching the exit by following this algorithm.
Demo Input:
['1 2\n', '2 3\n', '3 6\n', '10 1024\n']
Demo Output:
['2', '5', '10', '2046']
Note:
A perfect binary tree of height *h* is a binary tree consisting of *h* + 1 levels. Level 0 consists of a single node called root, level *h* consists of 2<sup class="upper-index">*h*</sup> nodes called leaves. Each node that is not a leaf has exactly two children, left and right one.
Following picture illustrates the sample test number 3. Nodes are labeled according to the order of visit.
<img class="tex-graphics" src="https://espresso.codeforces.com/e9d0715dc8cd9b4f6ac7a0fb137563f857660adc.png" style="max-width: 100.0%;max-height: 100.0%;"/>
|
```python
h,n=map(int,input().split(" "))
res=0
s=0
while(h!=0):
res+=1
if s^(n>(1<<(h-1))):
res+=1<<(h) - 1
else:
s^=1
if n>1<<(h-1):
n-=1<<(h-1)
print(res)
```
| 0
|
|
550
|
C
|
Divisibility by Eight
|
PROGRAMMING
| 1,500
|
[
"brute force",
"dp",
"math"
] | null | null |
You are given a non-negative integer *n*, its decimal representation consists of at most 100 digits and doesn't contain leading zeroes.
Your task is to determine if it is possible in this case to remove some of the digits (possibly not remove any digit at all) so that the result contains at least one digit, forms a non-negative integer, doesn't have leading zeroes and is divisible by 8. After the removing, it is forbidden to rearrange the digits.
If a solution exists, you should print it.
|
The single line of the input contains a non-negative integer *n*. The representation of number *n* doesn't contain any leading zeroes and its length doesn't exceed 100 digits.
|
Print "NO" (without quotes), if there is no such way to remove some digits from number *n*.
Otherwise, print "YES" in the first line and the resulting number after removing digits from number *n* in the second line. The printed number must be divisible by 8.
If there are multiple possible answers, you may print any of them.
|
[
"3454\n",
"10\n",
"111111\n"
] |
[
"YES\n344\n",
"YES\n0\n",
"NO\n"
] |
none
| 1,000
|
[
{
"input": "3454",
"output": "YES\n344"
},
{
"input": "10",
"output": "YES\n0"
},
{
"input": "111111",
"output": "NO"
},
{
"input": "8996988892",
"output": "YES\n8"
},
{
"input": "5555555555",
"output": "NO"
},
{
"input": "1",
"output": "NO"
},
{
"input": "8147522776919916277306861346922924221557534659480258977017038624458370459299847590937757625791239188",
"output": "YES\n8"
},
{
"input": "8",
"output": "YES\n8"
},
{
"input": "14",
"output": "NO"
},
{
"input": "2363",
"output": "NO"
},
{
"input": "3554",
"output": "NO"
},
{
"input": "312",
"output": "YES\n32"
},
{
"input": "7674",
"output": "YES\n64"
},
{
"input": "126",
"output": "YES\n16"
},
{
"input": "344",
"output": "YES\n344"
},
{
"input": "976",
"output": "YES\n96"
},
{
"input": "3144",
"output": "YES\n344"
},
{
"input": "1492",
"output": "YES\n192"
},
{
"input": "1000",
"output": "YES\n0"
},
{
"input": "303",
"output": "YES\n0"
},
{
"input": "111111111111111111111171111111111111111111111111111112",
"output": "YES\n72"
},
{
"input": "3111111111111111111111411111111111111111111141111111441",
"output": "YES\n344"
},
{
"input": "7486897358699809313898215064443112428113331907121460549315254356705507612143346801724124391167293733",
"output": "YES\n8"
},
{
"input": "1787075866",
"output": "YES\n8"
},
{
"input": "836501278190105055089734832290981",
"output": "YES\n8"
},
{
"input": "1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111",
"output": "NO"
},
{
"input": "2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222",
"output": "NO"
},
{
"input": "3333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333",
"output": "NO"
},
{
"input": "1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"output": "YES\n0"
},
{
"input": "5555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555",
"output": "NO"
},
{
"input": "66666666666666666666666666666666666666666666666666666666666666666666666666666",
"output": "NO"
},
{
"input": "88888888888888888888888888888888888888888888888888888888888888888888888888888888",
"output": "YES\n8"
},
{
"input": "9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999",
"output": "NO"
},
{
"input": "353",
"output": "NO"
},
{
"input": "39",
"output": "NO"
},
{
"input": "3697519",
"output": "NO"
},
{
"input": "6673177113",
"output": "NO"
},
{
"input": "6666351371557713735",
"output": "NO"
},
{
"input": "17943911115335733153157373517",
"output": "NO"
},
{
"input": "619715515939999957957971971757533319177373",
"output": "NO"
},
{
"input": "4655797151375799393395377959959573533195153397997597195199777159133",
"output": "NO"
},
{
"input": "5531399953495399131957773999751571911139197159755793777773799119333593915333593153173775755771193715",
"output": "NO"
},
{
"input": "1319571733331774579193199551977735199771153997797535591739153377377111795579371959933533573517995559",
"output": "NO"
},
{
"input": "3313393139519343957311771319713797711159791515393917539133957799131393735795317131513557337319131993",
"output": "NO"
},
{
"input": "526",
"output": "YES\n56"
},
{
"input": "513",
"output": "NO"
},
{
"input": "674",
"output": "YES\n64"
},
{
"input": "8353",
"output": "YES\n8"
},
{
"input": "3957",
"output": "NO"
},
{
"input": "4426155776626276881222352363321488266188669874572115686737742545442766138617391954346963915982759371",
"output": "YES\n8"
},
{
"input": "9592419524227735697379444145348135927975358347769514686865768941989693174565893724972575152874281772",
"output": "YES\n8"
},
{
"input": "94552498866729239313265973246288189853135485783461",
"output": "YES\n8"
},
{
"input": "647934465937812",
"output": "YES\n8"
},
{
"input": "1327917795375366484539554526312125336",
"output": "YES\n8"
},
{
"input": "295971811535848297878828225646878276486982655866912496735794542",
"output": "YES\n8"
},
{
"input": "7217495392264549817889283233368819844137671271383133997418139697797385729777632527678136",
"output": "YES\n8"
},
{
"input": "11111111111111111111112111111111",
"output": "YES\n112"
},
{
"input": "262626262626262626262626262626262626",
"output": "NO"
},
{
"input": "1000000000000000000000000000000000000",
"output": "YES\n0"
},
{
"input": "9969929446",
"output": "YES\n96"
},
{
"input": "43523522125549722432232256557771715456345544922144",
"output": "YES\n32"
},
{
"input": "9344661521956564755454992376342544254667536539463277572111263273131199437332443253296774957",
"output": "YES\n96"
},
{
"input": "1946374341357914632311595531429723377642197432217137651552992479954116463332543456759911377223599715",
"output": "YES\n16"
},
{
"input": "461259",
"output": "NO"
},
{
"input": "461592",
"output": "YES\n152"
},
{
"input": "46159237",
"output": "YES\n152"
},
{
"input": "42367",
"output": "NO"
},
{
"input": "42376",
"output": "YES\n376"
},
{
"input": "42376159",
"output": "YES\n376"
},
{
"input": "444444444444444444444444444444666666666666666666666666666666222222222222222222222222222222",
"output": "NO"
},
{
"input": "0",
"output": "YES\n0"
},
{
"input": "33332",
"output": "YES\n32"
},
{
"input": "6499999999",
"output": "YES\n64"
}
] | 1,678,199,227
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 73
| 62
| 1,740,800
|
# ﷽
import sys
input = lambda: sys.stdin.readline().strip()
mod=7+10**9
def solve():
s=input()
n=len(s)
for i in range(n):
for j in range(i+1,n):
for k in range(j+1,n):
if int(s[i]+s[j]+s[k])%8==0:
return int(s[i]+s[j]+s[k])
if int(s[i]+s[j])%8==0:return int(s[i]+s[j])
if int(s[i])%8==0:return int(s[i])
return "NO"
if __name__ == "__main__":
# for i in range(int(input())):
ans=solve()
if ans!='NO':
print('YES')
print(ans)
else:print('NO')
|
Title: Divisibility by Eight
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
You are given a non-negative integer *n*, its decimal representation consists of at most 100 digits and doesn't contain leading zeroes.
Your task is to determine if it is possible in this case to remove some of the digits (possibly not remove any digit at all) so that the result contains at least one digit, forms a non-negative integer, doesn't have leading zeroes and is divisible by 8. After the removing, it is forbidden to rearrange the digits.
If a solution exists, you should print it.
Input Specification:
The single line of the input contains a non-negative integer *n*. The representation of number *n* doesn't contain any leading zeroes and its length doesn't exceed 100 digits.
Output Specification:
Print "NO" (without quotes), if there is no such way to remove some digits from number *n*.
Otherwise, print "YES" in the first line and the resulting number after removing digits from number *n* in the second line. The printed number must be divisible by 8.
If there are multiple possible answers, you may print any of them.
Demo Input:
['3454\n', '10\n', '111111\n']
Demo Output:
['YES\n344\n', 'YES\n0\n', 'NO\n']
Note:
none
|
```python
# ﷽
import sys
input = lambda: sys.stdin.readline().strip()
mod=7+10**9
def solve():
s=input()
n=len(s)
for i in range(n):
for j in range(i+1,n):
for k in range(j+1,n):
if int(s[i]+s[j]+s[k])%8==0:
return int(s[i]+s[j]+s[k])
if int(s[i]+s[j])%8==0:return int(s[i]+s[j])
if int(s[i])%8==0:return int(s[i])
return "NO"
if __name__ == "__main__":
# for i in range(int(input())):
ans=solve()
if ans!='NO':
print('YES')
print(ans)
else:print('NO')
```
| 3
|
|
842
|
A
|
Kirill And The Game
|
PROGRAMMING
| 1,200
|
[
"brute force",
"two pointers"
] | null | null |
Kirill plays a new computer game. He came to the potion store where he can buy any potion. Each potion is characterized by two integers — amount of experience and cost. The efficiency of a potion is the ratio of the amount of experience to the cost. Efficiency may be a non-integer number.
For each two integer numbers *a* and *b* such that *l*<=≤<=*a*<=≤<=*r* and *x*<=≤<=*b*<=≤<=*y* there is a potion with experience *a* and cost *b* in the store (that is, there are (*r*<=-<=*l*<=+<=1)·(*y*<=-<=*x*<=+<=1) potions).
Kirill wants to buy a potion which has efficiency *k*. Will he be able to do this?
|
First string contains five integer numbers *l*, *r*, *x*, *y*, *k* (1<=≤<=*l*<=≤<=*r*<=≤<=107, 1<=≤<=*x*<=≤<=*y*<=≤<=107, 1<=≤<=*k*<=≤<=107).
|
Print "YES" without quotes if a potion with efficiency exactly *k* can be bought in the store and "NO" without quotes otherwise.
You can output each of the letters in any register.
|
[
"1 10 1 10 1\n",
"1 5 6 10 1\n"
] |
[
"YES",
"NO"
] |
none
| 500
|
[
{
"input": "1 10 1 10 1",
"output": "YES"
},
{
"input": "1 5 6 10 1",
"output": "NO"
},
{
"input": "1 1 1 1 1",
"output": "YES"
},
{
"input": "1 1 1 1 2",
"output": "NO"
},
{
"input": "1 100000 1 100000 100000",
"output": "YES"
},
{
"input": "1 100000 1 100000 100001",
"output": "NO"
},
{
"input": "25 10000 200 10000 5",
"output": "YES"
},
{
"input": "1 100000 10 100000 50000",
"output": "NO"
},
{
"input": "91939 94921 10197 89487 1",
"output": "NO"
},
{
"input": "30518 58228 74071 77671 1",
"output": "NO"
},
{
"input": "46646 79126 78816 91164 5",
"output": "NO"
},
{
"input": "30070 83417 92074 99337 2",
"output": "NO"
},
{
"input": "13494 17544 96820 99660 6",
"output": "NO"
},
{
"input": "96918 97018 10077 86510 9",
"output": "YES"
},
{
"input": "13046 45594 14823 52475 1",
"output": "YES"
},
{
"input": "29174 40572 95377 97669 4",
"output": "NO"
},
{
"input": "79894 92433 8634 86398 4",
"output": "YES"
},
{
"input": "96022 98362 13380 94100 6",
"output": "YES"
},
{
"input": "79446 95675 93934 96272 3",
"output": "NO"
},
{
"input": "5440 46549 61481 99500 10",
"output": "NO"
},
{
"input": "21569 53580 74739 87749 3",
"output": "NO"
},
{
"input": "72289 78297 79484 98991 7",
"output": "NO"
},
{
"input": "88417 96645 92742 98450 5",
"output": "NO"
},
{
"input": "71841 96625 73295 77648 8",
"output": "NO"
},
{
"input": "87969 99230 78041 94736 4",
"output": "NO"
},
{
"input": "4 4 1 2 3",
"output": "NO"
},
{
"input": "150 150 1 2 100",
"output": "NO"
},
{
"input": "99 100 1 100 50",
"output": "YES"
},
{
"input": "7 7 3 6 2",
"output": "NO"
},
{
"input": "10 10 1 10 1",
"output": "YES"
},
{
"input": "36 36 5 7 6",
"output": "YES"
},
{
"input": "73 96 1 51 51",
"output": "NO"
},
{
"input": "3 3 1 3 2",
"output": "NO"
},
{
"input": "10000000 10000000 1 100000 10000000",
"output": "YES"
},
{
"input": "9222174 9829060 9418763 9955619 9092468",
"output": "NO"
},
{
"input": "70 70 1 2 50",
"output": "NO"
},
{
"input": "100 200 1 20 5",
"output": "YES"
},
{
"input": "1 200000 65536 65536 65537",
"output": "NO"
},
{
"input": "15 15 1 100 1",
"output": "YES"
},
{
"input": "10000000 10000000 1 10000000 100000",
"output": "YES"
},
{
"input": "10 10 2 5 4",
"output": "NO"
},
{
"input": "67 69 7 7 9",
"output": "NO"
},
{
"input": "100000 10000000 1 10000000 100000",
"output": "YES"
},
{
"input": "9 12 1 2 7",
"output": "NO"
},
{
"input": "5426234 6375745 2636512 8492816 4409404",
"output": "NO"
},
{
"input": "6134912 6134912 10000000 10000000 999869",
"output": "NO"
},
{
"input": "3 3 1 100 1",
"output": "YES"
},
{
"input": "10000000 10000000 10 10000000 100000",
"output": "YES"
},
{
"input": "4 4 1 100 2",
"output": "YES"
},
{
"input": "8 13 1 4 7",
"output": "NO"
},
{
"input": "10 10 100000 10000000 10000000",
"output": "NO"
},
{
"input": "5 6 1 4 2",
"output": "YES"
},
{
"input": "1002 1003 1 2 1000",
"output": "NO"
},
{
"input": "4 5 1 2 2",
"output": "YES"
},
{
"input": "5 6 1 5 1",
"output": "YES"
},
{
"input": "15 21 2 4 7",
"output": "YES"
},
{
"input": "4 5 3 7 1",
"output": "YES"
},
{
"input": "15 15 3 4 4",
"output": "NO"
},
{
"input": "3 6 1 2 2",
"output": "YES"
},
{
"input": "2 10 3 6 3",
"output": "YES"
},
{
"input": "1 10000000 1 10000000 100000",
"output": "YES"
},
{
"input": "8 13 1 2 7",
"output": "NO"
},
{
"input": "98112 98112 100000 100000 128850",
"output": "NO"
},
{
"input": "2 2 1 2 1",
"output": "YES"
},
{
"input": "8 8 3 4 2",
"output": "YES"
},
{
"input": "60 60 2 3 25",
"output": "NO"
},
{
"input": "16 17 2 5 5",
"output": "NO"
},
{
"input": "2 4 1 3 1",
"output": "YES"
},
{
"input": "4 5 1 2 3",
"output": "NO"
},
{
"input": "10 10 3 4 3",
"output": "NO"
},
{
"input": "10 10000000 999999 10000000 300",
"output": "NO"
},
{
"input": "100 120 9 11 10",
"output": "YES"
},
{
"input": "8 20 1 3 4",
"output": "YES"
},
{
"input": "10 14 2 3 4",
"output": "YES"
},
{
"input": "2000 2001 1 3 1000",
"output": "YES"
},
{
"input": "12 13 2 3 5",
"output": "NO"
},
{
"input": "7 7 2 3 3",
"output": "NO"
},
{
"input": "5 8 1 10000000 4",
"output": "YES"
},
{
"input": "5 5 1 1 4",
"output": "NO"
},
{
"input": "5 5 1 6 2",
"output": "NO"
},
{
"input": "200 300 4000381 4000382 4000381",
"output": "NO"
},
{
"input": "11 17 2 5 2",
"output": "NO"
},
{
"input": "9999999 10000000 1 10000000 999997",
"output": "NO"
},
{
"input": "7 8 2 3 3",
"output": "NO"
},
{
"input": "7 7 3 3 2",
"output": "NO"
},
{
"input": "15 15 2 3 7",
"output": "NO"
},
{
"input": "65408 65408 859 859 10000000",
"output": "NO"
},
{
"input": "1000000 10000000 1 100000 1",
"output": "NO"
},
{
"input": "6 12 2 3 2",
"output": "YES"
},
{
"input": "7 8 1 3 3",
"output": "NO"
},
{
"input": "4 4 1 2 2",
"output": "YES"
},
{
"input": "2 3 1 2 2",
"output": "YES"
},
{
"input": "11 14 2 3 5",
"output": "NO"
},
{
"input": "7 7 1 10 3",
"output": "NO"
},
{
"input": "49 50 1 2 27",
"output": "NO"
},
{
"input": "1 10000000 1 10000000 123456",
"output": "YES"
},
{
"input": "100000 10000000 100 10000000 100000",
"output": "YES"
},
{
"input": "17 19 2 3 8",
"output": "NO"
},
{
"input": "4 6 3 9 1",
"output": "YES"
},
{
"input": "19 20 6 7 3",
"output": "NO"
},
{
"input": "5000000 10000000 1 4999999 1",
"output": "NO"
}
] | 1,688,548,858
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 13
| 62
| 0
|
import math
def chk(q, p):
return math.ceil(p) <= p
l, r, x, y, k = [int(x)+0. for x in input().split()]
kmin = k*k*x/r
kmax = k*k*y/l
if kmin <= k and k <= kmax and ((chk(l/kmin, r/kmin) and chk(x*kmin, y*kmin)) or ((chk(l/kmax, r/kmax) and chk(x*kmax, y*kmax)))):
print('YES')
else:
print('NO')
|
Title: Kirill And The Game
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Kirill plays a new computer game. He came to the potion store where he can buy any potion. Each potion is characterized by two integers — amount of experience and cost. The efficiency of a potion is the ratio of the amount of experience to the cost. Efficiency may be a non-integer number.
For each two integer numbers *a* and *b* such that *l*<=≤<=*a*<=≤<=*r* and *x*<=≤<=*b*<=≤<=*y* there is a potion with experience *a* and cost *b* in the store (that is, there are (*r*<=-<=*l*<=+<=1)·(*y*<=-<=*x*<=+<=1) potions).
Kirill wants to buy a potion which has efficiency *k*. Will he be able to do this?
Input Specification:
First string contains five integer numbers *l*, *r*, *x*, *y*, *k* (1<=≤<=*l*<=≤<=*r*<=≤<=107, 1<=≤<=*x*<=≤<=*y*<=≤<=107, 1<=≤<=*k*<=≤<=107).
Output Specification:
Print "YES" without quotes if a potion with efficiency exactly *k* can be bought in the store and "NO" without quotes otherwise.
You can output each of the letters in any register.
Demo Input:
['1 10 1 10 1\n', '1 5 6 10 1\n']
Demo Output:
['YES', 'NO']
Note:
none
|
```python
import math
def chk(q, p):
return math.ceil(p) <= p
l, r, x, y, k = [int(x)+0. for x in input().split()]
kmin = k*k*x/r
kmax = k*k*y/l
if kmin <= k and k <= kmax and ((chk(l/kmin, r/kmin) and chk(x*kmin, y*kmin)) or ((chk(l/kmax, r/kmax) and chk(x*kmax, y*kmax)))):
print('YES')
else:
print('NO')
```
| 0
|
|
304
|
A
|
Pythagorean Theorem II
|
PROGRAMMING
| 1,200
|
[
"brute force",
"math"
] | null | null |
In mathematics, the Pythagorean theorem — is a relation in Euclidean geometry among the three sides of a right-angled triangle. In terms of areas, it states:
In any right-angled triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle).
The theorem can be written as an equation relating the lengths of the sides *a*, *b* and *c*, often called the Pythagorean equation:
where *c* represents the length of the hypotenuse, and *a* and *b* represent the lengths of the other two sides.
Given *n*, your task is to count how many right-angled triangles with side-lengths *a*, *b* and *c* that satisfied an inequality 1<=≤<=*a*<=≤<=*b*<=≤<=*c*<=≤<=*n*.
|
The only line contains one integer *n* (1<=≤<=*n*<=≤<=104) as we mentioned above.
|
Print a single integer — the answer to the problem.
|
[
"5\n",
"74\n"
] |
[
"1\n",
"35\n"
] |
none
| 500
|
[
{
"input": "5",
"output": "1"
},
{
"input": "74",
"output": "35"
},
{
"input": "1000",
"output": "881"
},
{
"input": "586",
"output": "472"
},
{
"input": "2",
"output": "0"
},
{
"input": "362",
"output": "258"
},
{
"input": "778",
"output": "653"
},
{
"input": "194",
"output": "120"
},
{
"input": "906",
"output": "786"
},
{
"input": "659",
"output": "535"
},
{
"input": "75",
"output": "37"
},
{
"input": "787",
"output": "664"
},
{
"input": "851",
"output": "730"
},
{
"input": "563",
"output": "446"
},
{
"input": "979",
"output": "862"
},
{
"input": "395",
"output": "291"
},
{
"input": "755",
"output": "634"
},
{
"input": "171",
"output": "103"
},
{
"input": "883",
"output": "759"
},
{
"input": "400",
"output": "294"
},
{
"input": "817",
"output": "693"
},
{
"input": "177",
"output": "107"
},
{
"input": "593",
"output": "476"
},
{
"input": "305",
"output": "214"
},
{
"input": "721",
"output": "595"
},
{
"input": "785",
"output": "664"
},
{
"input": "497",
"output": "383"
},
{
"input": "913",
"output": "791"
},
{
"input": "625",
"output": "507"
},
{
"input": "334",
"output": "236"
},
{
"input": "10000",
"output": "12471"
},
{
"input": "9999",
"output": "12467"
}
] | 1,614,091,782
| 2,147,483,647
|
Python 3
|
TIME_LIMIT_EXCEEDED
|
TESTS
| 2
| 3,000
| 307,200
|
count=0
n=int(input())
for i in range(1,n+1):
for j in range(i+1,n+1):
if i!=j:
for k in range(j+1,n+1):
if i==k or j==k:
pass
else:
if max(i,j,k)==i:
if i*i==j*j+k*k:
# count.add((i,j,k))
count+=1
elif max(i,j,k)==j:
if j*j==i*i+k*k:
# count.add((i,j,k))
count+=1
elif max(i,j,k)==k:
if k*k==i*i+j*j:
# count.add((i,j,k))
count+=1
print(count)
|
Title: Pythagorean Theorem II
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
In mathematics, the Pythagorean theorem — is a relation in Euclidean geometry among the three sides of a right-angled triangle. In terms of areas, it states:
In any right-angled triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the two legs (the two sides that meet at a right angle).
The theorem can be written as an equation relating the lengths of the sides *a*, *b* and *c*, often called the Pythagorean equation:
where *c* represents the length of the hypotenuse, and *a* and *b* represent the lengths of the other two sides.
Given *n*, your task is to count how many right-angled triangles with side-lengths *a*, *b* and *c* that satisfied an inequality 1<=≤<=*a*<=≤<=*b*<=≤<=*c*<=≤<=*n*.
Input Specification:
The only line contains one integer *n* (1<=≤<=*n*<=≤<=104) as we mentioned above.
Output Specification:
Print a single integer — the answer to the problem.
Demo Input:
['5\n', '74\n']
Demo Output:
['1\n', '35\n']
Note:
none
|
```python
count=0
n=int(input())
for i in range(1,n+1):
for j in range(i+1,n+1):
if i!=j:
for k in range(j+1,n+1):
if i==k or j==k:
pass
else:
if max(i,j,k)==i:
if i*i==j*j+k*k:
# count.add((i,j,k))
count+=1
elif max(i,j,k)==j:
if j*j==i*i+k*k:
# count.add((i,j,k))
count+=1
elif max(i,j,k)==k:
if k*k==i*i+j*j:
# count.add((i,j,k))
count+=1
print(count)
```
| 0
|
|
34
|
B
|
Sale
|
PROGRAMMING
| 900
|
[
"greedy",
"sortings"
] |
B. Sale
|
2
|
256
|
Once Bob got to a sale of old TV sets. There were *n* TV sets at that sale. TV set with index *i* costs *a**i* bellars. Some TV sets have a negative price — their owners are ready to pay Bob if he buys their useless apparatus. Bob can «buy» any TV sets he wants. Though he's very strong, Bob can carry at most *m* TV sets, and he has no desire to go to the sale for the second time. Please, help Bob find out the maximum sum of money that he can earn.
|
The first line contains two space-separated integers *n* and *m* (1<=≤<=*m*<=≤<=*n*<=≤<=100) — amount of TV sets at the sale, and amount of TV sets that Bob can carry. The following line contains *n* space-separated integers *a**i* (<=-<=1000<=≤<=*a**i*<=≤<=1000) — prices of the TV sets.
|
Output the only number — the maximum sum of money that Bob can earn, given that he can carry at most *m* TV sets.
|
[
"5 3\n-6 0 35 -2 4\n",
"4 2\n7 0 0 -7\n"
] |
[
"8\n",
"7\n"
] |
none
| 1,000
|
[
{
"input": "5 3\n-6 0 35 -2 4",
"output": "8"
},
{
"input": "4 2\n7 0 0 -7",
"output": "7"
},
{
"input": "6 6\n756 -611 251 -66 572 -818",
"output": "1495"
},
{
"input": "5 5\n976 437 937 788 518",
"output": "0"
},
{
"input": "5 3\n-2 -2 -2 -2 -2",
"output": "6"
},
{
"input": "5 1\n998 997 985 937 998",
"output": "0"
},
{
"input": "2 2\n-742 -187",
"output": "929"
},
{
"input": "3 3\n522 597 384",
"output": "0"
},
{
"input": "4 2\n-215 -620 192 647",
"output": "835"
},
{
"input": "10 6\n557 605 685 231 910 633 130 838 -564 -85",
"output": "649"
},
{
"input": "20 14\n932 442 960 943 624 624 955 998 631 910 850 517 715 123 1000 155 -10 961 966 59",
"output": "10"
},
{
"input": "30 5\n991 997 996 967 977 999 991 986 1000 965 984 997 998 1000 958 983 974 1000 991 999 1000 978 961 992 990 998 998 978 998 1000",
"output": "0"
},
{
"input": "50 20\n-815 -947 -946 -993 -992 -846 -884 -954 -963 -733 -940 -746 -766 -930 -821 -937 -937 -999 -914 -938 -936 -975 -939 -981 -977 -952 -925 -901 -952 -978 -994 -957 -946 -896 -905 -836 -994 -951 -887 -939 -859 -953 -985 -988 -946 -829 -956 -842 -799 -886",
"output": "19441"
},
{
"input": "88 64\n999 999 1000 1000 999 996 995 1000 1000 999 1000 997 998 1000 999 1000 997 1000 993 998 994 999 998 996 1000 997 1000 1000 1000 997 1000 998 997 1000 1000 998 1000 998 999 1000 996 999 999 999 996 995 999 1000 998 999 1000 999 999 1000 1000 1000 996 1000 1000 1000 997 1000 1000 997 999 1000 1000 1000 1000 1000 999 999 1000 1000 996 999 1000 1000 995 999 1000 996 1000 998 999 999 1000 999",
"output": "0"
},
{
"input": "99 17\n-993 -994 -959 -989 -991 -995 -976 -997 -990 -1000 -996 -994 -999 -995 -1000 -983 -979 -1000 -989 -968 -994 -992 -962 -993 -999 -983 -991 -979 -995 -993 -973 -999 -995 -995 -999 -993 -995 -992 -947 -1000 -999 -998 -982 -988 -979 -993 -963 -988 -980 -990 -979 -976 -995 -999 -981 -988 -998 -999 -970 -1000 -983 -994 -943 -975 -998 -977 -973 -997 -959 -999 -983 -985 -950 -977 -977 -991 -998 -973 -987 -985 -985 -986 -984 -994 -978 -998 -989 -989 -988 -970 -985 -974 -997 -981 -962 -972 -995 -988 -993",
"output": "16984"
},
{
"input": "100 37\n205 19 -501 404 912 -435 -322 -469 -655 880 -804 -470 793 312 -108 586 -642 -928 906 605 -353 -800 745 -440 -207 752 -50 -28 498 -800 -62 -195 602 -833 489 352 536 404 -775 23 145 -512 524 759 651 -461 -427 -557 684 -366 62 592 -563 -811 64 418 -881 -308 591 -318 -145 -261 -321 -216 -18 595 -202 960 -4 219 226 -238 -882 -963 425 970 -434 -160 243 -672 -4 873 8 -633 904 -298 -151 -377 -61 -72 -677 -66 197 -716 3 -870 -30 152 -469 981",
"output": "21743"
},
{
"input": "100 99\n-931 -806 -830 -828 -916 -962 -660 -867 -952 -966 -820 -906 -724 -982 -680 -717 -488 -741 -897 -613 -986 -797 -964 -939 -808 -932 -810 -860 -641 -916 -858 -628 -821 -929 -917 -976 -664 -985 -778 -665 -624 -928 -940 -958 -884 -757 -878 -896 -634 -526 -514 -873 -990 -919 -988 -878 -650 -973 -774 -783 -733 -648 -756 -895 -833 -974 -832 -725 -841 -748 -806 -613 -924 -867 -881 -943 -864 -991 -809 -926 -777 -817 -998 -682 -910 -996 -241 -722 -964 -904 -821 -920 -835 -699 -805 -632 -779 -317 -915 -654",
"output": "81283"
},
{
"input": "100 14\n995 994 745 684 510 737 984 690 979 977 542 933 871 603 758 653 962 997 747 974 773 766 975 770 527 960 841 989 963 865 974 967 950 984 757 685 986 809 982 959 931 880 978 867 805 562 970 900 834 782 616 885 910 608 974 918 576 700 871 980 656 941 978 759 767 840 573 859 841 928 693 853 716 927 976 851 962 962 627 797 707 873 869 988 993 533 665 887 962 880 929 980 877 887 572 790 721 883 848 782",
"output": "0"
},
{
"input": "100 84\n768 946 998 752 931 912 826 1000 991 910 875 962 901 952 958 733 959 908 872 840 923 826 952 980 974 980 947 955 959 822 997 963 966 933 829 923 971 999 926 932 865 984 974 858 994 855 949 941 992 861 951 949 991 711 763 728 935 485 716 907 869 952 960 859 909 963 978 942 968 933 923 909 997 962 687 764 924 774 875 1000 961 951 987 974 848 921 966 859 995 997 974 931 886 941 974 986 906 978 998 823",
"output": "0"
},
{
"input": "100 80\n-795 -994 -833 -930 -974 -980 -950 -940 -788 -927 -583 -956 -945 -949 -809 -974 -957 -736 -967 -908 -975 -961 -986 -983 -963 -771 -952 -847 -751 -741 -982 -959 -925 -931 -839 -937 -880 -914 -858 -998 -812 -911 -862 -965 -943 -984 -738 -920 -950 -998 -909 -998 -781 -901 -677 -940 -985 -951 -675 -952 -967 -949 -882 -641 -969 -937 -975 -993 -913 -941 -807 -851 -832 -960 -939 -943 -895 -929 -528 -880 -823 -930 -888 -862 -948 -966 -962 -857 -799 -969 -833 -998 -952 -878 -946 -971 -976 -974 -723 -992",
"output": "75068"
},
{
"input": "1 1\n0",
"output": "0"
},
{
"input": "1 1\n1",
"output": "0"
},
{
"input": "1 1\n555",
"output": "0"
},
{
"input": "1 1\n-1",
"output": "1"
},
{
"input": "1 1\n-24",
"output": "24"
}
] | 1,696,244,260
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 2
| 92
| 0
|
m,n = map(int,input().split())
a = list(map(int,input().split()))
a.sort()
c = 0
for i in range(n) :
c += abs(a[i])
print(c)
|
Title: Sale
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Once Bob got to a sale of old TV sets. There were *n* TV sets at that sale. TV set with index *i* costs *a**i* bellars. Some TV sets have a negative price — their owners are ready to pay Bob if he buys their useless apparatus. Bob can «buy» any TV sets he wants. Though he's very strong, Bob can carry at most *m* TV sets, and he has no desire to go to the sale for the second time. Please, help Bob find out the maximum sum of money that he can earn.
Input Specification:
The first line contains two space-separated integers *n* and *m* (1<=≤<=*m*<=≤<=*n*<=≤<=100) — amount of TV sets at the sale, and amount of TV sets that Bob can carry. The following line contains *n* space-separated integers *a**i* (<=-<=1000<=≤<=*a**i*<=≤<=1000) — prices of the TV sets.
Output Specification:
Output the only number — the maximum sum of money that Bob can earn, given that he can carry at most *m* TV sets.
Demo Input:
['5 3\n-6 0 35 -2 4\n', '4 2\n7 0 0 -7\n']
Demo Output:
['8\n', '7\n']
Note:
none
|
```python
m,n = map(int,input().split())
a = list(map(int,input().split()))
a.sort()
c = 0
for i in range(n) :
c += abs(a[i])
print(c)
```
| 0
|
556
|
A
|
Case of the Zeros and Ones
|
PROGRAMMING
| 900
|
[
"greedy"
] | null | null |
Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones.
Once he thought about a string of length *n* consisting of zeroes and ones. Consider the following operation: we choose any two adjacent positions in the string, and if one them contains 0, and the other contains 1, then we are allowed to remove these two digits from the string, obtaining a string of length *n*<=-<=2 as a result.
Now Andreid thinks about what is the minimum length of the string that can remain after applying the described operation several times (possibly, zero)? Help him to calculate this number.
|
First line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=2·105), the length of the string that Andreid has.
The second line contains the string of length *n* consisting only from zeros and ones.
|
Output the minimum length of the string that may remain after applying the described operations several times.
|
[
"4\n1100\n",
"5\n01010\n",
"8\n11101111\n"
] |
[
"0\n",
"1\n",
"6\n"
] |
In the first sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/10df55364c21c6e8d5da31b6ab6f6294c4fc26b3.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the second sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/19ec5dcd85f0b5cf757aa076ace72df39634de2d.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the third sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/dc34a159e4230375fa325555527ebc748811f188.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
| 250
|
[
{
"input": "4\n1100",
"output": "0"
},
{
"input": "5\n01010",
"output": "1"
},
{
"input": "8\n11101111",
"output": "6"
},
{
"input": "1\n0",
"output": "1"
},
{
"input": "1\n1",
"output": "1"
},
{
"input": "2\n00",
"output": "2"
},
{
"input": "2\n01",
"output": "0"
},
{
"input": "2\n10",
"output": "0"
},
{
"input": "2\n11",
"output": "2"
},
{
"input": "3\n001",
"output": "1"
},
{
"input": "6\n110110",
"output": "2"
},
{
"input": "7\n0000011",
"output": "3"
},
{
"input": "6\n110010",
"output": "0"
},
{
"input": "6\n110100",
"output": "0"
},
{
"input": "3\n100",
"output": "1"
},
{
"input": "6\n010111",
"output": "2"
},
{
"input": "8\n01011100",
"output": "0"
},
{
"input": "6\n001011",
"output": "0"
},
{
"input": "7\n1110000",
"output": "1"
},
{
"input": "9\n011111101",
"output": "5"
}
] | 1,610,639,586
| 2,147,483,647
|
Python 3
|
TIME_LIMIT_EXCEEDED
|
TESTS
| 11
| 1,000
| 819,200
|
length = int(input())
text = input()
while "0" in text and "1" in text:
new_text = ""
i = 0
while i < len(text):
if i >= len(text) - 1:
new_text += text[-1]
break
if text[i] == "0" and text[i+1] == "1":
i+=2
elif text[i] == "1" and text[i+1] == "0":
i+=2
else:
new_text += text[i]
i += 1
text = new_text
print(len(text))
|
Title: Case of the Zeros and Ones
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones.
Once he thought about a string of length *n* consisting of zeroes and ones. Consider the following operation: we choose any two adjacent positions in the string, and if one them contains 0, and the other contains 1, then we are allowed to remove these two digits from the string, obtaining a string of length *n*<=-<=2 as a result.
Now Andreid thinks about what is the minimum length of the string that can remain after applying the described operation several times (possibly, zero)? Help him to calculate this number.
Input Specification:
First line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=2·105), the length of the string that Andreid has.
The second line contains the string of length *n* consisting only from zeros and ones.
Output Specification:
Output the minimum length of the string that may remain after applying the described operations several times.
Demo Input:
['4\n1100\n', '5\n01010\n', '8\n11101111\n']
Demo Output:
['0\n', '1\n', '6\n']
Note:
In the first sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/10df55364c21c6e8d5da31b6ab6f6294c4fc26b3.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the second sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/19ec5dcd85f0b5cf757aa076ace72df39634de2d.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the third sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/dc34a159e4230375fa325555527ebc748811f188.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
|
```python
length = int(input())
text = input()
while "0" in text and "1" in text:
new_text = ""
i = 0
while i < len(text):
if i >= len(text) - 1:
new_text += text[-1]
break
if text[i] == "0" and text[i+1] == "1":
i+=2
elif text[i] == "1" and text[i+1] == "0":
i+=2
else:
new_text += text[i]
i += 1
text = new_text
print(len(text))
```
| 0
|
|
59
|
A
|
Word
|
PROGRAMMING
| 800
|
[
"implementation",
"strings"
] |
A. Word
|
2
|
256
|
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At that as little as possible letters should be changed in the word. For example, the word HoUse must be replaced with house, and the word ViP — with VIP. If a word contains an equal number of uppercase and lowercase letters, you should replace all the letters with lowercase ones. For example, maTRIx should be replaced by matrix. Your task is to use the given method on one given word.
|
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
|
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
|
[
"HoUse\n",
"ViP\n",
"maTRIx\n"
] |
[
"house\n",
"VIP\n",
"matrix\n"
] |
none
| 500
|
[
{
"input": "HoUse",
"output": "house"
},
{
"input": "ViP",
"output": "VIP"
},
{
"input": "maTRIx",
"output": "matrix"
},
{
"input": "BNHWpnpawg",
"output": "bnhwpnpawg"
},
{
"input": "VTYGP",
"output": "VTYGP"
},
{
"input": "CHNenu",
"output": "chnenu"
},
{
"input": "ERPZGrodyu",
"output": "erpzgrodyu"
},
{
"input": "KSXBXWpebh",
"output": "KSXBXWPEBH"
},
{
"input": "qvxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaiv",
"output": "qvxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaiv"
},
{
"input": "Amnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfd",
"output": "amnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfd"
},
{
"input": "ISAGFJFARYFBLOPQDSHWGMCNKMFTLVFUGNJEWGWNBLXUIATXEkqiettmmjgydwcpafqrppdsrrrtguinqbgmzzfqwonkpgpcwenv",
"output": "isagfjfaryfblopqdshwgmcnkmftlvfugnjewgwnblxuiatxekqiettmmjgydwcpafqrppdsrrrtguinqbgmzzfqwonkpgpcwenv"
},
{
"input": "XHRPXZEGHSOCJPICUIXSKFUZUPYTSGJSDIYBCMNMNBPNDBXLXBzhbfnqvwcffvrdhtickyqhupmcehlsyvncqmfhautvxudqdhgg",
"output": "xhrpxzeghsocjpicuixskfuzupytsgjsdiybcmnmnbpndbxlxbzhbfnqvwcffvrdhtickyqhupmcehlsyvncqmfhautvxudqdhgg"
},
{
"input": "RJIQZMJCIMSNDBOHBRAWIENODSALETAKGKPYUFGVEFGCBRENZGAdkcetqjljtmttlonpekcovdzebzdkzggwfsxhapmjkdbuceak",
"output": "RJIQZMJCIMSNDBOHBRAWIENODSALETAKGKPYUFGVEFGCBRENZGADKCETQJLJTMTTLONPEKCOVDZEBZDKZGGWFSXHAPMJKDBUCEAK"
},
{
"input": "DWLWOBHNMMGTFOLFAECKBRNNGLYLYDXTGTVRLMEESZOIUATZZZXUFUZDLSJXMEVRTESSFBWLNZZCLCQWEVNNUCXYVHNGNXHCBDFw",
"output": "DWLWOBHNMMGTFOLFAECKBRNNGLYLYDXTGTVRLMEESZOIUATZZZXUFUZDLSJXMEVRTESSFBWLNZZCLCQWEVNNUCXYVHNGNXHCBDFW"
},
{
"input": "NYCNHJWGBOCOTSPETKKHVWFGAQYNHOVJWJHCIEFOUQZXOYUIEQDZALFKTEHTVDBVJMEUBJUBCMNVPWGDPNCHQHZJRCHYRFPVIGUB",
"output": "NYCNHJWGBOCOTSPETKKHVWFGAQYNHOVJWJHCIEFOUQZXOYUIEQDZALFKTEHTVDBVJMEUBJUBCMNVPWGDPNCHQHZJRCHYRFPVIGUB"
},
{
"input": "igxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwge",
"output": "igxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwge"
},
{
"input": "Ykkekrsqolzryiwsmdlnbmfautxxxauoojrddvwklgnlyrfcvhorrzbmtcrvpaypqhcffdqhwziipyyskcmztjprjqvmzzqhqnw",
"output": "ykkekrsqolzryiwsmdlnbmfautxxxauoojrddvwklgnlyrfcvhorrzbmtcrvpaypqhcffdqhwziipyyskcmztjprjqvmzzqhqnw"
},
{
"input": "YQOMLKYAORUQQUCQZCDYMIVDHGWZFFRMUVTAWCHERFPMNRYRIkgqrciokgajamehmcxgerpudvsqyonjonsxgbnefftzmygncks",
"output": "yqomlkyaoruqqucqzcdymivdhgwzffrmuvtawcherfpmnryrikgqrciokgajamehmcxgerpudvsqyonjonsxgbnefftzmygncks"
},
{
"input": "CDOZDPBVVVHNBJVBYHEOXWFLJKRWJCAJMIFCOZWWYFKVWOGTVJcuusigdqfkumewjtdyitveeiaybwrhomrwmpdipjwiuxfnwuz",
"output": "CDOZDPBVVVHNBJVBYHEOXWFLJKRWJCAJMIFCOZWWYFKVWOGTVJCUUSIGDQFKUMEWJTDYITVEEIAYBWRHOMRWMPDIPJWIUXFNWUZ"
},
{
"input": "WHIUVEXHVOOIJIDVJVPQUBJMEVPMPDKQWJKFBZSGSKUXMIPPMJWuckzcpxosodcjaaakvlxpbiigsiauviilylnnqlyucziihqg",
"output": "WHIUVEXHVOOIJIDVJVPQUBJMEVPMPDKQWJKFBZSGSKUXMIPPMJWUCKZCPXOSODCJAAAKVLXPBIIGSIAUVIILYLNNQLYUCZIIHQG"
},
{
"input": "VGHUNFOXKETUYMZDJNGTAOIOANYXSGYNFOGOFFLDAWEUKYFOZXCJTCAFXZYLQZERYZLRSQXYQGAPCSUDPMEYTNCTTTMFAGVDWBO",
"output": "VGHUNFOXKETUYMZDJNGTAOIOANYXSGYNFOGOFFLDAWEUKYFOZXCJTCAFXZYLQZERYZLRSQXYQGAPCSUDPMEYTNCTTTMFAGVDWBO"
},
{
"input": "EDUANHCQDOCJHFONTTSWBUJSTTIXBIXMAIUFSGFLXWAYIURTVAVZPYQDLAWIGCLMPHXCEFCJPFAAHXVNGQUFNHADAIUAZIDMHDd",
"output": "EDUANHCQDOCJHFONTTSWBUJSTTIXBIXMAIUFSGFLXWAYIURTVAVZPYQDLAWIGCLMPHXCEFCJPFAAHXVNGQUFNHADAIUAZIDMHDD"
},
{
"input": "EBWOVSNLYTWWXrnovgugogtjahnmatomubebyxakas",
"output": "ebwovsnlytwwxrnovgugogtjahnmatomubebyxakas"
},
{
"input": "AORNNDKTRLRVGDPXJKXFTPFpopuzrlqumrxssskvbm",
"output": "AORNNDKTRLRVGDPXJKXFTPFPOPUZRLQUMRXSSSKVBM"
},
{
"input": "DBBZJCWQEVGYHEEUHJAWRHBDPsnplijbwtdibqrrheebfxqcvn",
"output": "dbbzjcwqevgyheeuhjawrhbdpsnplijbwtdibqrrheebfxqcvn"
},
{
"input": "t",
"output": "t"
},
{
"input": "N",
"output": "N"
},
{
"input": "kv",
"output": "kv"
},
{
"input": "Ur",
"output": "ur"
},
{
"input": "CN",
"output": "CN"
}
] | 1,630,510,514
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 30
| 154
| 6,758,400
|
word = input()
b = 0
s = 0
for i in range(len(word)):
if word[i].isupper():
b += 1
else:
s+=1
if b>s :
print(word.upper())
else:
print(word.lower())
|
Title: Word
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At that as little as possible letters should be changed in the word. For example, the word HoUse must be replaced with house, and the word ViP — with VIP. If a word contains an equal number of uppercase and lowercase letters, you should replace all the letters with lowercase ones. For example, maTRIx should be replaced by matrix. Your task is to use the given method on one given word.
Input Specification:
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
Output Specification:
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
Demo Input:
['HoUse\n', 'ViP\n', 'maTRIx\n']
Demo Output:
['house\n', 'VIP\n', 'matrix\n']
Note:
none
|
```python
word = input()
b = 0
s = 0
for i in range(len(word)):
if word[i].isupper():
b += 1
else:
s+=1
if b>s :
print(word.upper())
else:
print(word.lower())
```
| 3.948911
|
102
|
B
|
Sum of Digits
|
PROGRAMMING
| 1,000
|
[
"implementation"
] |
B. Sum of Digits
|
2
|
265
|
Having watched the last Harry Potter film, little Gerald also decided to practice magic. He found in his father's magical book a spell that turns any number in the sum of its digits. At the moment Gerald learned that, he came across a number *n*. How many times can Gerald put a spell on it until the number becomes one-digit?
|
The first line contains the only integer *n* (0<=≤<=*n*<=≤<=10100000). It is guaranteed that *n* doesn't contain any leading zeroes.
|
Print the number of times a number can be replaced by the sum of its digits until it only contains one digit.
|
[
"0\n",
"10\n",
"991\n"
] |
[
"0\n",
"1\n",
"3\n"
] |
In the first sample the number already is one-digit — Herald can't cast a spell.
The second test contains number 10. After one casting of a spell it becomes 1, and here the process is completed. Thus, Gerald can only cast the spell once.
The third test contains number 991. As one casts a spell the following transformations take place: 991 → 19 → 10 → 1. After three transformations the number becomes one-digit.
| 1,000
|
[
{
"input": "0",
"output": "0"
},
{
"input": "10",
"output": "1"
},
{
"input": "991",
"output": "3"
},
{
"input": "99",
"output": "2"
},
{
"input": "100",
"output": "1"
},
{
"input": "123456789",
"output": "2"
},
{
"input": "32",
"output": "1"
},
{
"input": "86",
"output": "2"
},
{
"input": "2",
"output": "0"
},
{
"input": "8",
"output": "0"
},
{
"input": "34",
"output": "1"
},
{
"input": "13",
"output": "1"
},
{
"input": "28",
"output": "2"
},
{
"input": "23",
"output": "1"
},
{
"input": "57",
"output": "2"
},
{
"input": "29",
"output": "2"
},
{
"input": "353869285",
"output": "3"
},
{
"input": "549548646",
"output": "2"
},
{
"input": "858893424",
"output": "2"
},
{
"input": "644818852",
"output": "3"
},
{
"input": "360322525",
"output": "3"
},
{
"input": "122937520",
"output": "2"
},
{
"input": "288403032",
"output": "2"
},
{
"input": "677257481",
"output": "3"
},
{
"input": "58059561",
"output": "3"
},
{
"input": "211288847",
"output": "2"
},
{
"input": "339900034079539584",
"output": "2"
},
{
"input": "784084029310269952",
"output": "3"
},
{
"input": "774730557264864000",
"output": "3"
},
{
"input": "478233807148352256",
"output": "3"
},
{
"input": "165646874056812544",
"output": "3"
},
{
"input": "477533739511673792",
"output": "3"
},
{
"input": "660119944377002240",
"output": "3"
},
{
"input": "448375218506078080",
"output": "3"
},
{
"input": "77213334785795616",
"output": "3"
},
{
"input": "165767221702271872",
"output": "3"
},
{
"input": "1",
"output": "0"
},
{
"input": "5",
"output": "0"
},
{
"input": "8",
"output": "0"
},
{
"input": "156161456146164104103460452045416165146141414651641564105461465156445621465146514562146145465165145145614561465145614561",
"output": "3"
},
{
"input": "9",
"output": "0"
}
] | 1,648,255,277
| 2,147,483,647
|
Python 3
|
COMPILATION_ERROR
|
TESTS
| 0
| 0
| 0
|
n=input()
s=0
while(int(n)>9):
n=sum(map(int,str(n)))
s=s+1
print s
|
Title: Sum of Digits
Time Limit: 2 seconds
Memory Limit: 265 megabytes
Problem Description:
Having watched the last Harry Potter film, little Gerald also decided to practice magic. He found in his father's magical book a spell that turns any number in the sum of its digits. At the moment Gerald learned that, he came across a number *n*. How many times can Gerald put a spell on it until the number becomes one-digit?
Input Specification:
The first line contains the only integer *n* (0<=≤<=*n*<=≤<=10100000). It is guaranteed that *n* doesn't contain any leading zeroes.
Output Specification:
Print the number of times a number can be replaced by the sum of its digits until it only contains one digit.
Demo Input:
['0\n', '10\n', '991\n']
Demo Output:
['0\n', '1\n', '3\n']
Note:
In the first sample the number already is one-digit — Herald can't cast a spell.
The second test contains number 10. After one casting of a spell it becomes 1, and here the process is completed. Thus, Gerald can only cast the spell once.
The third test contains number 991. As one casts a spell the following transformations take place: 991 → 19 → 10 → 1. After three transformations the number becomes one-digit.
|
```python
n=input()
s=0
while(int(n)>9):
n=sum(map(int,str(n)))
s=s+1
print s
```
| -1
|
3
|
D
|
Least Cost Bracket Sequence
|
PROGRAMMING
| 2,600
|
[
"greedy"
] |
D. Least Cost Bracket Sequence
|
1
|
64
|
This is yet another problem on regular bracket sequences.
A bracket sequence is called regular, if by inserting "+" and "1" into it we get a correct mathematical expression. For example, sequences "(())()", "()" and "(()(()))" are regular, while ")(", "(()" and "(()))(" are not. You have a pattern of a bracket sequence that consists of characters "(", ")" and "?". You have to replace each character "?" with a bracket so, that you get a regular bracket sequence.
For each character "?" the cost of its replacement with "(" and ")" is given. Among all the possible variants your should choose the cheapest.
|
The first line contains a non-empty pattern of even length, consisting of characters "(", ")" and "?". Its length doesn't exceed 5·104. Then there follow *m* lines, where *m* is the number of characters "?" in the pattern. Each line contains two integer numbers *a**i* and *b**i* (1<=≤<=*a**i*,<=<=*b**i*<=≤<=106), where *a**i* is the cost of replacing the *i*-th character "?" with an opening bracket, and *b**i* — with a closing one.
|
Print the cost of the optimal regular bracket sequence in the first line, and the required sequence in the second.
Print -1, if there is no answer. If the answer is not unique, print any of them.
|
[
"(??)\n1 2\n2 8\n"
] |
[
"4\n()()\n"
] |
none
| 0
|
[
{
"input": "(??)\n1 2\n2 8",
"output": "4\n()()"
},
{
"input": "??\n1 1\n1 1",
"output": "2\n()"
},
{
"input": "(???\n1 1\n1 1\n1 1",
"output": "3\n(())"
},
{
"input": "(??)\n2 1\n1 1",
"output": "2\n()()"
},
{
"input": "(???)?\n3 3\n3 1\n3 3\n2 3",
"output": "10\n(()())"
},
{
"input": "((????\n3 2\n3 2\n1 1\n2 3",
"output": "8\n(())()"
},
{
"input": "???())\n2 4\n3 3\n4 1",
"output": "6\n(()())"
},
{
"input": "((????\n3 5\n4 1\n2 2\n1 5",
"output": "11\n((()))"
},
{
"input": "?(?)(???\n2 3\n2 2\n3 2\n3 1\n3 1",
"output": "8\n((()()))"
},
{
"input": "(??????)\n1 1\n3 3\n3 3\n3 2\n1 3\n3 3",
"output": "13\n((())())"
},
{
"input": "?????)??\n2 3\n2 1\n1 3\n5 1\n3 3\n1 3\n3 2",
"output": "11\n()()()()"
},
{
"input": "?)???(??\n1 4\n3 4\n2 4\n2 5\n3 3\n3 1",
"output": "14\n()()(())"
},
{
"input": "???(??))\n2 1\n2 1\n2 1\n1 2\n2 1",
"output": "7\n(()(()))"
},
{
"input": "??(()??)\n3 2\n3 3\n1 3\n2 2",
"output": "9\n()(()())"
},
{
"input": "????(???\n2 2\n1 3\n1 3\n3 3\n4 1\n4 4\n2 4",
"output": "16\n((()()))"
},
{
"input": "?(??????\n1 5\n2 4\n4 4\n4 3\n4 5\n5 4\n2 3",
"output": "21\n((())())"
},
{
"input": "???????)\n6 3\n5 3\n4 1\n1 4\n4 1\n2 6\n4 3",
"output": "19\n(()()())"
},
{
"input": "??????)?\n2 2\n4 2\n3 5\n3 2\n7 4\n6 2\n1 6",
"output": "24\n(((())))"
},
{
"input": "?((?)?)?\n1 2\n4 2\n1 3\n1 2",
"output": "6\n((())())"
},
{
"input": "??(????)\n3 2\n1 4\n4 4\n2 3\n2 3\n2 4",
"output": "16\n((()))()"
},
{
"input": "???(?)??(??)?)(?(?????????(?()????)(????(?)????)???)??))(?(?????????))???(??)?????))???????(????????\n9 10\n6 3\n8 2\n9 10\n9 3\n6 2\n8 5\n6 7\n2 6\n7 8\n6 10\n1 7\n1 7\n10 7\n10 7\n8 4\n5 9\n9 3\n3 10\n1 10\n8 2\n8 8\n4 8\n6 6\n4 10\n4 5\n5 2\n5 6\n7 7\n7 3\n10 1\n1 4\n5 10\n3 2\n2 8\n8 9\n6 5\n8 6\n3 4\n8 6\n8 5\n7 7\n10 9\n5 5\n2 1\n2 7\n2 3\n5 10\n9 7\n1 9\n10 9\n4 5\n8 2\n2 5\n6 7\n3 6\n4 2\n2 5\n3 9\n4 4\n6 3\n4 9\n3 1\n5 7\n8 7\n6 9\n5 3\n6 4\n8 3\n5 8\n8 4\n7 6\n1 4",
"output": "309\n(()(()))()()()(((((()))()(((())((()((()((()))(())(()))))((())))))((()))()(())((()())())()()(()))()))"
},
{
"input": "(?(((???))(??)?)?))))(?)????(()()???(?)????(??(??????)()(????(?)))))??(???(??)?(??)????????(????(?()\n39 78\n1 83\n2 35\n28 89\n53 53\n96 67\n16 46\n43 28\n25 73\n8 97\n57 41\n15 25\n47 49\n23 18\n97 77\n38 33\n68 80\n38 98\n62 8\n61 79\n84 50\n71 48\n12 16\n97 95\n16 70\n72 58\n55 85\n88 42\n49 56\n39 63\n51 100\n41 15\n97 17\n71 63\n21 44\n1 41\n22 14\n42 65\n88 33\n57 95\n57 28\n59 8\n56 42\n18 99\n43 6\n75 93\n34 23\n62 57\n62 71\n67 92\n91 60\n49 58\n97 14\n75 68\n20 9\n55 98\n12 3",
"output": "2140\n(((((((())(())())))))(()()(((()())))(()()()()(((()()()()((())())))))((()()(()))()())())(()(())))()()"
},
{
"input": "(())()",
"output": "0\n(())()"
},
{
"input": "?(?(??\n1 1\n2 2\n1 1\n1 1",
"output": "5\n(()())"
},
{
"input": "(????(\n1 1\n2 1\n2 1\n3 3",
"output": "-1"
},
{
"input": "(?(???\n2 3\n1 1\n3 3\n1 4",
"output": "10\n((()))"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": ")?)??)\n4 4\n3 5\n3 6",
"output": "-1"
},
{
"input": "((((((",
"output": "-1"
},
{
"input": "((((((",
"output": "-1"
},
{
"input": "()()()",
"output": "0\n()()()"
},
{
"input": "????((\n7 6\n1 10\n9 8\n4 4",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": "((((((",
"output": "-1"
},
{
"input": "((()))",
"output": "0\n((()))"
},
{
"input": "?))?))\n9 13\n8 11",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": "?(?)?)\n6 14\n8 6\n4 3",
"output": "16\n(())()"
},
{
"input": "?(?(((\n8 7\n17 15",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
}
] | 1,540,698,464
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 4
| 216
| 0
|
s = input()
l = len(s)
f = list()
pm = dict()
q = 0
for i in range(l):
f.append(s[i])
if s[i] == '?':
pm[q] = i
q = q + 1
vx = dict()
vy = dict()
for i in range(q):
l2 = input().split()
vx[i] = int(l2[0])
vy[i] = int(l2[1])
cost = 0
i = 0
while(i<l):
if f[i] == ')':
i = i+1
continue
elif f[i] == '(':
rv = float("inf")
pos = -1
for j in vy.keys():
if vy[j] < rv:
rv = vy[j]
pos = j
if pos >= 0:
f[pm[pos]] = ')'
cost = cost + rv
del vx[pos]
del vy[pos]
elif f[i] == '?':
lv = float("inf")
pos = -1
for j in vx.keys():
if vx[j] < lv:
lv = vx[j]
pos = j
if pos >= 0:
f[pm[pos]] = '('
cost = cost + lv
del vx[pos]
del vy[pos]
i = i - 1
i = i + 1
if vx or vy:
print(-1)
else:
print(cost)
print(''.join(f))
|
Title: Least Cost Bracket Sequence
Time Limit: 1 seconds
Memory Limit: 64 megabytes
Problem Description:
This is yet another problem on regular bracket sequences.
A bracket sequence is called regular, if by inserting "+" and "1" into it we get a correct mathematical expression. For example, sequences "(())()", "()" and "(()(()))" are regular, while ")(", "(()" and "(()))(" are not. You have a pattern of a bracket sequence that consists of characters "(", ")" and "?". You have to replace each character "?" with a bracket so, that you get a regular bracket sequence.
For each character "?" the cost of its replacement with "(" and ")" is given. Among all the possible variants your should choose the cheapest.
Input Specification:
The first line contains a non-empty pattern of even length, consisting of characters "(", ")" and "?". Its length doesn't exceed 5·104. Then there follow *m* lines, where *m* is the number of characters "?" in the pattern. Each line contains two integer numbers *a**i* and *b**i* (1<=≤<=*a**i*,<=<=*b**i*<=≤<=106), where *a**i* is the cost of replacing the *i*-th character "?" with an opening bracket, and *b**i* — with a closing one.
Output Specification:
Print the cost of the optimal regular bracket sequence in the first line, and the required sequence in the second.
Print -1, if there is no answer. If the answer is not unique, print any of them.
Demo Input:
['(??)\n1 2\n2 8\n']
Demo Output:
['4\n()()\n']
Note:
none
|
```python
s = input()
l = len(s)
f = list()
pm = dict()
q = 0
for i in range(l):
f.append(s[i])
if s[i] == '?':
pm[q] = i
q = q + 1
vx = dict()
vy = dict()
for i in range(q):
l2 = input().split()
vx[i] = int(l2[0])
vy[i] = int(l2[1])
cost = 0
i = 0
while(i<l):
if f[i] == ')':
i = i+1
continue
elif f[i] == '(':
rv = float("inf")
pos = -1
for j in vy.keys():
if vy[j] < rv:
rv = vy[j]
pos = j
if pos >= 0:
f[pm[pos]] = ')'
cost = cost + rv
del vx[pos]
del vy[pos]
elif f[i] == '?':
lv = float("inf")
pos = -1
for j in vx.keys():
if vx[j] < lv:
lv = vx[j]
pos = j
if pos >= 0:
f[pm[pos]] = '('
cost = cost + lv
del vx[pos]
del vy[pos]
i = i - 1
i = i + 1
if vx or vy:
print(-1)
else:
print(cost)
print(''.join(f))
```
| 0
|
228
|
A
|
Is your horseshoe on the other hoof?
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
Valera the Horse is going to the party with friends. He has been following the fashion trends for a while, and he knows that it is very popular to wear all horseshoes of different color. Valera has got four horseshoes left from the last year, but maybe some of them have the same color. In this case he needs to go to the store and buy some few more horseshoes, not to lose face in front of his stylish comrades.
Fortunately, the store sells horseshoes of all colors under the sun and Valera has enough money to buy any four of them. However, in order to save the money, he would like to spend as little money as possible, so you need to help Valera and determine what is the minimum number of horseshoes he needs to buy to wear four horseshoes of different colors to a party.
|
The first line contains four space-separated integers *s*1,<=*s*2,<=*s*3,<=*s*4 (1<=≤<=*s*1,<=*s*2,<=*s*3,<=*s*4<=≤<=109) — the colors of horseshoes Valera has.
Consider all possible colors indexed with integers.
|
Print a single integer — the minimum number of horseshoes Valera needs to buy.
|
[
"1 7 3 3\n",
"7 7 7 7\n"
] |
[
"1\n",
"3\n"
] |
none
| 500
|
[
{
"input": "1 7 3 3",
"output": "1"
},
{
"input": "7 7 7 7",
"output": "3"
},
{
"input": "81170865 673572653 756938629 995577259",
"output": "0"
},
{
"input": "3491663 217797045 522540872 715355328",
"output": "0"
},
{
"input": "251590420 586975278 916631563 586975278",
"output": "1"
},
{
"input": "259504825 377489979 588153796 377489979",
"output": "1"
},
{
"input": "652588203 931100304 931100304 652588203",
"output": "2"
},
{
"input": "391958720 651507265 391958720 651507265",
"output": "2"
},
{
"input": "90793237 90793237 90793237 90793237",
"output": "3"
},
{
"input": "551651653 551651653 551651653 551651653",
"output": "3"
},
{
"input": "156630260 609654355 668943582 973622757",
"output": "0"
},
{
"input": "17061017 110313588 434481173 796661222",
"output": "0"
},
{
"input": "24975422 256716298 337790533 690960249",
"output": "0"
},
{
"input": "255635360 732742923 798648949 883146723",
"output": "0"
},
{
"input": "133315691 265159773 734556507 265159773",
"output": "1"
},
{
"input": "28442865 741657755 978106882 978106882",
"output": "1"
},
{
"input": "131245479 174845575 497483467 131245479",
"output": "1"
},
{
"input": "139159884 616215581 958341883 616215581",
"output": "1"
},
{
"input": "147784432 947653080 947653080 947653080",
"output": "2"
},
{
"input": "94055790 756126496 756126496 94055790",
"output": "2"
},
{
"input": "240458500 511952208 240458500 511952208",
"output": "2"
},
{
"input": "681828506 972810624 972810624 681828506",
"output": "2"
},
{
"input": "454961014 454961014 454961014 454961014",
"output": "3"
},
{
"input": "915819430 915819430 915819430 915819430",
"output": "3"
},
{
"input": "671645142 671645142 671645142 671645142",
"output": "3"
},
{
"input": "132503558 132503558 132503558 132503558",
"output": "3"
},
{
"input": "5 5 999999 6",
"output": "1"
},
{
"input": "1 1 2 5",
"output": "1"
},
{
"input": "2 1 2 3",
"output": "1"
},
{
"input": "1 1 3 5",
"output": "1"
},
{
"input": "1 1 3 3",
"output": "2"
},
{
"input": "2 2 2 1",
"output": "2"
},
{
"input": "3 1 1 1",
"output": "2"
},
{
"input": "1 2 2 2",
"output": "2"
}
] | 1,687,787,744
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 34
| 122
| 0
|
a, b, c, d = map(int, input().split(" "))
v = [a]
cnt = 0
if b not in v:
v.append(b)
else:
cnt += 1
if c not in v:
v.append(c)
else:
cnt += 1
if d not in v:
v.append(d)
else:
cnt += 1
print(cnt)
|
Title: Is your horseshoe on the other hoof?
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Valera the Horse is going to the party with friends. He has been following the fashion trends for a while, and he knows that it is very popular to wear all horseshoes of different color. Valera has got four horseshoes left from the last year, but maybe some of them have the same color. In this case he needs to go to the store and buy some few more horseshoes, not to lose face in front of his stylish comrades.
Fortunately, the store sells horseshoes of all colors under the sun and Valera has enough money to buy any four of them. However, in order to save the money, he would like to spend as little money as possible, so you need to help Valera and determine what is the minimum number of horseshoes he needs to buy to wear four horseshoes of different colors to a party.
Input Specification:
The first line contains four space-separated integers *s*1,<=*s*2,<=*s*3,<=*s*4 (1<=≤<=*s*1,<=*s*2,<=*s*3,<=*s*4<=≤<=109) — the colors of horseshoes Valera has.
Consider all possible colors indexed with integers.
Output Specification:
Print a single integer — the minimum number of horseshoes Valera needs to buy.
Demo Input:
['1 7 3 3\n', '7 7 7 7\n']
Demo Output:
['1\n', '3\n']
Note:
none
|
```python
a, b, c, d = map(int, input().split(" "))
v = [a]
cnt = 0
if b not in v:
v.append(b)
else:
cnt += 1
if c not in v:
v.append(c)
else:
cnt += 1
if d not in v:
v.append(d)
else:
cnt += 1
print(cnt)
```
| 3
|
|
43
|
B
|
Letter
|
PROGRAMMING
| 1,100
|
[
"implementation",
"strings"
] |
B. Letter
|
2
|
256
|
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading *s*1 and text *s*2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spaces out of the heading — he just leaves some blank space to mark them. Help him; find out if he will manage to compose the needed text.
|
The first line contains a newspaper heading *s*1. The second line contains the letter text *s*2. *s*1 и *s*2 are non-empty lines consisting of spaces, uppercase and lowercase Latin letters, whose lengths do not exceed 200 symbols. The uppercase and lowercase letters should be differentiated. Vasya does not cut spaces out of the heading.
|
If Vasya can write the given anonymous letter, print YES, otherwise print NO
|
[
"Instead of dogging Your footsteps it disappears but you dont notice anything\nwhere is your dog\n",
"Instead of dogging Your footsteps it disappears but you dont notice anything\nYour dog is upstears\n",
"Instead of dogging your footsteps it disappears but you dont notice anything\nYour dog is upstears\n",
"abcdefg hijk\nk j i h g f e d c b a\n"
] |
[
"NO\n",
"YES\n",
"NO\n",
"YES\n"
] |
none
| 1,000
|
[
{
"input": "Instead of dogging Your footsteps it disappears but you dont notice anything\nwhere is your dog",
"output": "NO"
},
{
"input": "Instead of dogging Your footsteps it disappears but you dont notice anything\nYour dog is upstears",
"output": "YES"
},
{
"input": "Instead of dogging your footsteps it disappears but you dont notice anything\nYour dog is upstears",
"output": "NO"
},
{
"input": "abcdefg hijk\nk j i h g f e d c b a",
"output": "YES"
},
{
"input": "HpOKgo\neAtAVB",
"output": "NO"
},
{
"input": "GRZGc\nLPzD",
"output": "NO"
},
{
"input": "GtPXu\nd",
"output": "NO"
},
{
"input": "FVF\nr ",
"output": "NO"
},
{
"input": "HpOKgo\nogK",
"output": "YES"
},
{
"input": "GRZGc\nZG",
"output": "YES"
},
{
"input": "HpOKgoueAtAVBdGffvQheJDejNDHhhwyKJisugiRAH OseK yUwqPPNuThUxTfthqIUeb wS jChGOdFDarNrKRT MlwKecxWNoKEeD BbiHAruE XMlvKYVsJGPP\nAHN XvoaNwV AVBKwKjr u U K wKE D K Jy KiHsR h d W Js IHyMPK Br iSqe E fDA g H",
"output": "YES"
},
{
"input": "GRZGcsLPzDrCSXhhNTaibJqVphhjbcPoZhCDUlzAbDnRWjHvxLKtpGiFWiGbfeDxBwCrdJmJGCGv GebAOinUsFrlqKTILOmxrFjSpEoVGoTdSSstJWVgMLKMPettxHASaQZNdOIObcTxtF qTHWBdNIKwj\nWqrxze Ji x q aT GllLrRV jMpGiMDTwwS JDsPGpAZKACmsFCOS CD Sj bCDgKF jJxa RddtLFAi VGLHH SecObzG q hPF ",
"output": "YES"
},
{
"input": "GtPXuwdAxNhODQbjRslDDKciOALJrCifTjDQurQEBeFUUSZWwCZQPdYwZkYbrduMijFjgodAOrKIuUKwSXageZuOWMIhAMexyLRzFuzuXqBDTEaWMzVdbzhxDGSJC SsIYuYILwpiwwcObEHWpFvHeBkWYNitqYrxqgHReHcKnHbtjcWZuaxPBVPb\nTQIKyqFaewOkY lZUOOuxEw EwuKcArxRQGFYkvVWIAe SuanPeHuDjquurJu aSxwgOSw jYMwjxItNUUArQjO BIujAhSwttLWp",
"output": "YES"
},
{
"input": "FVFSr unvtXbpKWF vPaAgNaoTqklzVqiGYcUcBIcattzBrRuNSnKUtmdGKbjcE\nUzrU K an GFGR Wc zt iBa P c T K v p V In b B c",
"output": "YES"
},
{
"input": "lSwjnYLYtDNIZjxHiTawdh ntSzggZogcIZTuiTMWVgwyloMtEhqkrOxgIcFvwvsboXUPILPIymFAEXnhApewJXJNtFyZ\nAoxe jWZ u yImg o AZ FNI w lpj tNhT g y ZYcb rc J w Dlv",
"output": "YES"
},
{
"input": "kvlekcdJqODUKdsJlXkRaileTmdGwUHWWgvgUokQxRzzbpFnswvNKiDnjfOFGvFcnaaiRnBGQmqoPxDHepgYasLhzjDgmvaFfVNEcSPVQCJKAbSyTGpXsAjIHr\nGjzUllNaGGKXUdYmDFpqFAKIwvTpjmqnyswWRTnxlBnavAGvavxJemrjvRJc",
"output": "YES"
},
{
"input": "kWbvhgvvoYOhwXmgTwOSCDXrtFHhqwvMlCvsuuAUXMmWaYXiqHplFZZemhgkTuvsUtIaUxtyYauBIpjdbyYxjZ ZkaBPzwqPfqF kCqGRmXvWuabnQognnkvdNDtRUsSUvSzgBuxCMBWJifbxWegsknp\nBsH bWHJD n Ca T xq PRCv tatn Wjy sm I q s WCjFqdWe t W XUs Do eb Pfh ii hTbF O Fll",
"output": "YES"
},
{
"input": "OTmLdkMhmDEOMQMiW ZpzEIjyElHFrNCfFQDp SZyoZaEIUIpyCHfwOUqiSkKtFHggrTBGkqfOxkChPztmPrsHoxVwAdrxbZLKxPXHlMnrkgMgiaHFopiFFiUEtKwCjpJtwdwkbJCgA bxeDIscFdmHQJLAMNhWlrZisQrHQpvbALWTwpf jnx\nDbZwrQbydCdkJMCrftiwtPFfpMiwwrfIrKidEChKECxQUBVUEfFirbGWiLkFQkdJiFtkrtkbIAEXCEDkwLpK",
"output": "YES"
},
{
"input": "NwcGaIeSkOva\naIa",
"output": "YES"
},
{
"input": "gSrAcVYgAdbdayzbKGhIzLDjyznLRIJH KyvilAaEddmgkBPCNzpmPNeGEbmmpAyHvUSoPvnaORrPUuafpReEGoDOQsAYnUHYfBqhdcopQfxJuGXgKnbdVMQNhJYkyjiJDKlShqBTtnnDQQzEijOMcYRGMgPGVhfIReYennKBLwDTVvcHMIHMgVpJkvzTrezxqS\nHJerIVvRyfrPgAQMTI AqGNO mQDfDwQHKgeeYmuRmozKHILvehMPOJNMRtPTAfvKvsoGKi xHEeKqDAYmQJPUXRJbIbHrgVOMGMTdvYiLui",
"output": "YES"
},
{
"input": "ReB hksbHqQXxUgpvoNK bFqmNVCEiOyKdKcAJQRkpeohpfuqZabvrLfmpZOMcfyFBJGZwVMxiUPP pbZZtJjxhEwvrAba\nJTCpQnIViIGIdQtLnmkVzmcbBZR CoxAdTtWSYpbOglDFifqIVQ vfGKGtLpxpJHiHSWCMeRcrVOXBGBhoEnVhNTPWGTOErNtSvokcGdgZXbgTEtISUyTwaXUEIlJMmutsdCbiyrPZPJyRdOjnSuAGttLy",
"output": "NO"
},
{
"input": "hrLzRegCuDGxTrhDgVvM KowwyYuXGzIpcXdSMgeQVfVOtJZdkhNYSegwFWWoPqcZoeapbQnyCtojgkcyezUNHGGIZrhzsKrvvcrtokIdcnqXXkCNKjrOjrnEAKBNxyDdiMVeyLvXxUYMZQRFdlcdlcxzKTeYzBlmpNiwWbNAAhWkMoGpRxkCuyqkzXdKWwGH\nJESKDOfnFdxPvUOCkrgSBEPQHJtJHzuNGstRbTCcchRWJvCcveSEAtwtOmZZiW",
"output": "NO"
},
{
"input": "yDBxCtUygQwWqONxQCcuAvVCkMGlqgC zvkfEkwqbhMCQxnkwQIUhucCbVUyOBUcXvTNEGriTBwMDMfdsPZgWRgIUDqM\neptVnORTTyixxmWIBpSTEwOXqGZllBgSxPenYCDlFwckJlWsoVwWLAIbPOmFqcKcTcoQqahetl KLfVSyaLVebzsGwPSVbtQAeUdZAaJtfxlCEvvaRhLlVvRJhKat IaB awdqcDlrrhTbRxjEbzGwcdmdavkhcjHjzmwbxAgw",
"output": "NO"
},
{
"input": "jlMwnnotSdlQMluKWkJwAeCetcqbIEnKeNyLWoKCGONDRBQOjbkGpUvDlmSFUJ bWhohqmmIUWTlDsvelUArAcZJBipMDwUvRfBsYzMdQnPDPAuBaeJmAxVKwUMJrwMDxNtlrtAowVWqWiwFGtmquZAcrpFsLHCrvMSMMlvQUqypAihQWrFMNoaqfs IBg\nNzeWQ bafrmDsYlpNHSGTBBgPl WIcuNhyNaNOEFvL",
"output": "NO"
},
{
"input": "zyWvXBcUZqGqjHwZHQryBtFliLYnweXAoMKNpLaunaOlzaauWmLtywsEvWPiwxJapocAFRMjrqWJXYqfKEbBKnzLO\npsbi bsXpSeJaCkIuPWfSRADXdIClxcDCowwJzGCDTyAl",
"output": "NO"
},
{
"input": "kKhuIwRPLCwPFfcnsyCfBdnsraGeOCcLTfXuGjqFSGPSAeDZJSS bXKFanNqWjpFnvRpWxHJspvisDlADJBioxXNbVoXeUedoPcNEpUyEeYxdJXhGzFAmpAiHotSVwbZQsuWjIVhVaEGgqbZHIoDpiEmjTtFylCwCkWWzUOoUfOHxEZvDwNpXhBWamHn\nK VpJjGhNbwCRhcfmNGVjewBFpEmPlIKeTuWiukDtEWpjgqciqglkyNfWrBLbGAKvlNWxaUelJmSlSoakSpRzePvJsshOsTYrMPXdxKpaShjyVIXGhRIAdtiGpNwtiRmGTBZhkJqIMdxMHX RMxCMYcWjcjhtCHyFnCvjjezGbkRDRiVxkbh",
"output": "NO"
},
{
"input": "AXssNpFKyQmJcBdBdfkhhMUzfqJVgcLBddkwtnFSzSRUCjiDcdtmkzIGkCKSxWUEGhmHmciktJyGMkgCductyHx\nI nYhmJfPnvoKUiXYUBIPIcxNYTtvwPUoXERZvY ahlDpQFNMmVZqEBiYqYlHNqcpSCmhFczBlOAhsYFeqMGfqL EJsDNOgwoJfBzqijKOFcYQ",
"output": "NO"
},
{
"input": "lkhrzDZmkdbjzYKPNMRkiwCFoZsMzBQMnxxdKKVJezSBjnLjPpUYtabcPTIaDJeDEobbWHdKOdVfMQwDXzDDcSrwVenDEYpMqfiOQ xSsqApWnAMoyhQXCKFzHvvzvUvkWwmwZrvZz\nsUzGspYpRFsHRbRgTQuCBgnFgPkisTUfFNwyEEWWRiweWWgjRkVQxgTwxOzdsOwfrGIH O gCXpzvHzfItuEHaihmugEyymSJIogYwX qAwcwIItidfnzZDhZgQHi eRjMAeVkJHceDZuJkmxGowOsmcGYYvk Ajtgi TxwihvjLViNZjvscTWvsaQUelTSivLShhEl",
"output": "NO"
},
{
"input": "BRsVjyNhrqRHVwrJzuzRigEhdpbDmaACSPfed\nlWqKTjlrqOCUbgBBZdZDGCeQJDXawPnnDkQdZDgwrEQk",
"output": "NO"
},
{
"input": "KRmINuyBYPwiTsdlyiNVuylToysJKmOpcLovAtwGPqrgFJQNAYvuAiyQRkeFMECVZvkDEmTauXlyjAaYRnTJXORMZRnTakBaUzSelMilejySDIZjQjzcOIrwXdvDvpeRIkoBgreyFXIyyIZutjiEBtwrmzQtPVUhvvdEtDMbXjBpoPVjGdM EXTAK JbCnw\nXZZqlJvzKKtvdNlzFPDTYxidqlsgufVzyEmO FZuLQ vVQsJESNviUCovCK NwwlbxsmPtOJNmAonCqrOZ bZ LVKAsQGmoLnYjeekvEIECFk",
"output": "NO"
}
] | 1,687,064,175
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 30
| 184
| 0
|
def main():
dict = {}
first = input()
second = input()
for char in first:
if char != ' ':
if char not in dict:
dict[char] = 1
else:
dict[char] += 1
not_found = False
for char in second:
if char != ' ':
if char not in dict or dict[char] == 0:
not_found = True
else:
dict[char] -= 1
if not_found:
print("NO")
else:
print("YES")
main()
|
Title: Letter
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya decided to write an anonymous letter cutting the letters out of a newspaper heading. He knows heading *s*1 and text *s*2 that he wants to send. Vasya can use every single heading letter no more than once. Vasya doesn't have to cut the spaces out of the heading — he just leaves some blank space to mark them. Help him; find out if he will manage to compose the needed text.
Input Specification:
The first line contains a newspaper heading *s*1. The second line contains the letter text *s*2. *s*1 и *s*2 are non-empty lines consisting of spaces, uppercase and lowercase Latin letters, whose lengths do not exceed 200 symbols. The uppercase and lowercase letters should be differentiated. Vasya does not cut spaces out of the heading.
Output Specification:
If Vasya can write the given anonymous letter, print YES, otherwise print NO
Demo Input:
['Instead of dogging Your footsteps it disappears but you dont notice anything\nwhere is your dog\n', 'Instead of dogging Your footsteps it disappears but you dont notice anything\nYour dog is upstears\n', 'Instead of dogging your footsteps it disappears but you dont notice anything\nYour dog is upstears\n', 'abcdefg hijk\nk j i h g f e d c b a\n']
Demo Output:
['NO\n', 'YES\n', 'NO\n', 'YES\n']
Note:
none
|
```python
def main():
dict = {}
first = input()
second = input()
for char in first:
if char != ' ':
if char not in dict:
dict[char] = 1
else:
dict[char] += 1
not_found = False
for char in second:
if char != ' ':
if char not in dict or dict[char] == 0:
not_found = True
else:
dict[char] -= 1
if not_found:
print("NO")
else:
print("YES")
main()
```
| 3.954
|
59
|
A
|
Word
|
PROGRAMMING
| 800
|
[
"implementation",
"strings"
] |
A. Word
|
2
|
256
|
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At that as little as possible letters should be changed in the word. For example, the word HoUse must be replaced with house, and the word ViP — with VIP. If a word contains an equal number of uppercase and lowercase letters, you should replace all the letters with lowercase ones. For example, maTRIx should be replaced by matrix. Your task is to use the given method on one given word.
|
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
|
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
|
[
"HoUse\n",
"ViP\n",
"maTRIx\n"
] |
[
"house\n",
"VIP\n",
"matrix\n"
] |
none
| 500
|
[
{
"input": "HoUse",
"output": "house"
},
{
"input": "ViP",
"output": "VIP"
},
{
"input": "maTRIx",
"output": "matrix"
},
{
"input": "BNHWpnpawg",
"output": "bnhwpnpawg"
},
{
"input": "VTYGP",
"output": "VTYGP"
},
{
"input": "CHNenu",
"output": "chnenu"
},
{
"input": "ERPZGrodyu",
"output": "erpzgrodyu"
},
{
"input": "KSXBXWpebh",
"output": "KSXBXWPEBH"
},
{
"input": "qvxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaiv",
"output": "qvxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaiv"
},
{
"input": "Amnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfd",
"output": "amnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfd"
},
{
"input": "ISAGFJFARYFBLOPQDSHWGMCNKMFTLVFUGNJEWGWNBLXUIATXEkqiettmmjgydwcpafqrppdsrrrtguinqbgmzzfqwonkpgpcwenv",
"output": "isagfjfaryfblopqdshwgmcnkmftlvfugnjewgwnblxuiatxekqiettmmjgydwcpafqrppdsrrrtguinqbgmzzfqwonkpgpcwenv"
},
{
"input": "XHRPXZEGHSOCJPICUIXSKFUZUPYTSGJSDIYBCMNMNBPNDBXLXBzhbfnqvwcffvrdhtickyqhupmcehlsyvncqmfhautvxudqdhgg",
"output": "xhrpxzeghsocjpicuixskfuzupytsgjsdiybcmnmnbpndbxlxbzhbfnqvwcffvrdhtickyqhupmcehlsyvncqmfhautvxudqdhgg"
},
{
"input": "RJIQZMJCIMSNDBOHBRAWIENODSALETAKGKPYUFGVEFGCBRENZGAdkcetqjljtmttlonpekcovdzebzdkzggwfsxhapmjkdbuceak",
"output": "RJIQZMJCIMSNDBOHBRAWIENODSALETAKGKPYUFGVEFGCBRENZGADKCETQJLJTMTTLONPEKCOVDZEBZDKZGGWFSXHAPMJKDBUCEAK"
},
{
"input": "DWLWOBHNMMGTFOLFAECKBRNNGLYLYDXTGTVRLMEESZOIUATZZZXUFUZDLSJXMEVRTESSFBWLNZZCLCQWEVNNUCXYVHNGNXHCBDFw",
"output": "DWLWOBHNMMGTFOLFAECKBRNNGLYLYDXTGTVRLMEESZOIUATZZZXUFUZDLSJXMEVRTESSFBWLNZZCLCQWEVNNUCXYVHNGNXHCBDFW"
},
{
"input": "NYCNHJWGBOCOTSPETKKHVWFGAQYNHOVJWJHCIEFOUQZXOYUIEQDZALFKTEHTVDBVJMEUBJUBCMNVPWGDPNCHQHZJRCHYRFPVIGUB",
"output": "NYCNHJWGBOCOTSPETKKHVWFGAQYNHOVJWJHCIEFOUQZXOYUIEQDZALFKTEHTVDBVJMEUBJUBCMNVPWGDPNCHQHZJRCHYRFPVIGUB"
},
{
"input": "igxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwge",
"output": "igxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwge"
},
{
"input": "Ykkekrsqolzryiwsmdlnbmfautxxxauoojrddvwklgnlyrfcvhorrzbmtcrvpaypqhcffdqhwziipyyskcmztjprjqvmzzqhqnw",
"output": "ykkekrsqolzryiwsmdlnbmfautxxxauoojrddvwklgnlyrfcvhorrzbmtcrvpaypqhcffdqhwziipyyskcmztjprjqvmzzqhqnw"
},
{
"input": "YQOMLKYAORUQQUCQZCDYMIVDHGWZFFRMUVTAWCHERFPMNRYRIkgqrciokgajamehmcxgerpudvsqyonjonsxgbnefftzmygncks",
"output": "yqomlkyaoruqqucqzcdymivdhgwzffrmuvtawcherfpmnryrikgqrciokgajamehmcxgerpudvsqyonjonsxgbnefftzmygncks"
},
{
"input": "CDOZDPBVVVHNBJVBYHEOXWFLJKRWJCAJMIFCOZWWYFKVWOGTVJcuusigdqfkumewjtdyitveeiaybwrhomrwmpdipjwiuxfnwuz",
"output": "CDOZDPBVVVHNBJVBYHEOXWFLJKRWJCAJMIFCOZWWYFKVWOGTVJCUUSIGDQFKUMEWJTDYITVEEIAYBWRHOMRWMPDIPJWIUXFNWUZ"
},
{
"input": "WHIUVEXHVOOIJIDVJVPQUBJMEVPMPDKQWJKFBZSGSKUXMIPPMJWuckzcpxosodcjaaakvlxpbiigsiauviilylnnqlyucziihqg",
"output": "WHIUVEXHVOOIJIDVJVPQUBJMEVPMPDKQWJKFBZSGSKUXMIPPMJWUCKZCPXOSODCJAAAKVLXPBIIGSIAUVIILYLNNQLYUCZIIHQG"
},
{
"input": "VGHUNFOXKETUYMZDJNGTAOIOANYXSGYNFOGOFFLDAWEUKYFOZXCJTCAFXZYLQZERYZLRSQXYQGAPCSUDPMEYTNCTTTMFAGVDWBO",
"output": "VGHUNFOXKETUYMZDJNGTAOIOANYXSGYNFOGOFFLDAWEUKYFOZXCJTCAFXZYLQZERYZLRSQXYQGAPCSUDPMEYTNCTTTMFAGVDWBO"
},
{
"input": "EDUANHCQDOCJHFONTTSWBUJSTTIXBIXMAIUFSGFLXWAYIURTVAVZPYQDLAWIGCLMPHXCEFCJPFAAHXVNGQUFNHADAIUAZIDMHDd",
"output": "EDUANHCQDOCJHFONTTSWBUJSTTIXBIXMAIUFSGFLXWAYIURTVAVZPYQDLAWIGCLMPHXCEFCJPFAAHXVNGQUFNHADAIUAZIDMHDD"
},
{
"input": "EBWOVSNLYTWWXrnovgugogtjahnmatomubebyxakas",
"output": "ebwovsnlytwwxrnovgugogtjahnmatomubebyxakas"
},
{
"input": "AORNNDKTRLRVGDPXJKXFTPFpopuzrlqumrxssskvbm",
"output": "AORNNDKTRLRVGDPXJKXFTPFPOPUZRLQUMRXSSSKVBM"
},
{
"input": "DBBZJCWQEVGYHEEUHJAWRHBDPsnplijbwtdibqrrheebfxqcvn",
"output": "dbbzjcwqevgyheeuhjawrhbdpsnplijbwtdibqrrheebfxqcvn"
},
{
"input": "t",
"output": "t"
},
{
"input": "N",
"output": "N"
},
{
"input": "kv",
"output": "kv"
},
{
"input": "Ur",
"output": "ur"
},
{
"input": "CN",
"output": "CN"
}
] | 1,611,337,794
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 2
| 92
| 0
|
a=input()
b=sum([i.islower() for i in a])
c=sum([i.isupper() for i in a])
if(b>c):
print(a.lower())
else:
print(a.upper())
|
Title: Word
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At that as little as possible letters should be changed in the word. For example, the word HoUse must be replaced with house, and the word ViP — with VIP. If a word contains an equal number of uppercase and lowercase letters, you should replace all the letters with lowercase ones. For example, maTRIx should be replaced by matrix. Your task is to use the given method on one given word.
Input Specification:
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
Output Specification:
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
Demo Input:
['HoUse\n', 'ViP\n', 'maTRIx\n']
Demo Output:
['house\n', 'VIP\n', 'matrix\n']
Note:
none
|
```python
a=input()
b=sum([i.islower() for i in a])
c=sum([i.isupper() for i in a])
if(b>c):
print(a.lower())
else:
print(a.upper())
```
| 0
|
336
|
B
|
Vasily the Bear and Fly
|
PROGRAMMING
| 1,900
|
[
"math"
] | null | null |
One beautiful day Vasily the bear painted 2*m* circles of the same radius *R* on a coordinate plane. Circles with numbers from 1 to *m* had centers at points (2*R*<=-<=*R*,<=0), (4*R*<=-<=*R*,<=0), ..., (2*Rm*<=-<=*R*,<=0), respectively. Circles with numbers from *m*<=+<=1 to 2*m* had centers at points (2*R*<=-<=*R*,<=2*R*), (4*R*<=-<=*R*,<=2*R*), ..., (2*Rm*<=-<=*R*,<=2*R*), respectively.
Naturally, the bear painted the circles for a simple experiment with a fly. The experiment continued for *m*2 days. Each day of the experiment got its own unique number from 0 to *m*2<=-<=1, inclusive.
On the day number *i* the following things happened:
1. The fly arrived at the coordinate plane at the center of the circle with number ( is the result of dividing number *x* by number *y*, rounded down to an integer). 1. The fly went along the coordinate plane to the center of the circle number ( is the remainder after dividing number *x* by number *y*). The bear noticed that the fly went from the center of circle *v* to the center of circle *u* along the shortest path with all points lying on the border or inside at least one of the 2*m* circles. After the fly reached the center of circle *u*, it flew away in an unknown direction.
Help Vasily, count the average distance the fly went along the coordinate plane during each of these *m*2 days.
|
The first line contains two integers *m*,<=*R* (1<=≤<=*m*<=≤<=105, 1<=≤<=*R*<=≤<=10).
|
In a single line print a single real number — the answer to the problem. The answer will be considered correct if its absolute or relative error doesn't exceed 10<=-<=6.
|
[
"1 1\n",
"2 2\n"
] |
[
"2.0000000000\n",
"5.4142135624\n"
] |
<img class="tex-graphics" src="https://espresso.codeforces.com/9fe384073741e20965ddc4bf162afd3a604b6b39.png" style="max-width: 100.0%;max-height: 100.0%;"/>
Figure to the second sample
| 1,000
|
[
{
"input": "1 1",
"output": "2.0000000000"
},
{
"input": "2 2",
"output": "5.4142135624"
},
{
"input": "100000 3",
"output": "200002.4853316681"
},
{
"input": "2344 5",
"output": "7817.4790439982"
},
{
"input": "999 10",
"output": "6668.3010410807"
},
{
"input": "6 1",
"output": "5.0752966144"
},
{
"input": "43 4",
"output": "118.1337922078"
},
{
"input": "3333 3",
"output": "6668.4867900399"
},
{
"input": "4444 4",
"output": "11853.9818839104"
},
{
"input": "100000 10",
"output": "666674.9511055604"
},
{
"input": "3134 9",
"output": "18811.4606574435"
},
{
"input": "9 9",
"output": "63.0021484426"
},
{
"input": "32 9",
"output": "199.9170568378"
},
{
"input": "33333 9",
"output": "200005.4562967670"
},
{
"input": "99999 1",
"output": "66666.8284438896"
},
{
"input": "99999 9",
"output": "600001.4559950059"
},
{
"input": "99999 7",
"output": "466667.7991072268"
},
{
"input": "4234 4",
"output": "11293.9819587295"
},
{
"input": "66666 6",
"output": "266668.9707136318"
},
{
"input": "66666 9",
"output": "400003.4560704476"
},
{
"input": "67676 7",
"output": "315827.1324966100"
},
{
"input": "7777 7",
"output": "36298.4671653864"
},
{
"input": "7656 2",
"output": "10209.6572921612"
},
{
"input": "2 8",
"output": "21.6568542495"
},
{
"input": "2 10",
"output": "27.0710678119"
},
{
"input": "2 4",
"output": "10.8284271247"
},
{
"input": "8 1",
"output": "6.3530145174"
},
{
"input": "8 8",
"output": "50.8241161391"
},
{
"input": "92399 1",
"output": "61600.1617786019"
},
{
"input": "1 10",
"output": "20.0000000000"
},
{
"input": "3 1",
"output": "3.2570787221"
}
] | 1,376,484,316
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 1
| 92
| 0
|
import math
m,R=map(int,input().split())
cord=math.sqrt(2*(R**2))
li=0
unit=int(2*R)
x=(m)*(m/2)
for i in range(m):
li+=2*R*m
li+=(cord*(m-1))
if(i==0 or i==m-1):
if(m==1):
continue
ans+=cord*(m-2)
else:
if(m==1):
continue
li+=cord*(m-3)
left=(i-1)-1
if(left<-1):
left=-1
li+=(left+1)*(left/2)*unit
r=(m-1)-(i)-2
if(r<-1):
r=-1
li=li+(r+1)*(r/2)*unit
li/=(m**2)
print(li)
|
Title: Vasily the Bear and Fly
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
One beautiful day Vasily the bear painted 2*m* circles of the same radius *R* on a coordinate plane. Circles with numbers from 1 to *m* had centers at points (2*R*<=-<=*R*,<=0), (4*R*<=-<=*R*,<=0), ..., (2*Rm*<=-<=*R*,<=0), respectively. Circles with numbers from *m*<=+<=1 to 2*m* had centers at points (2*R*<=-<=*R*,<=2*R*), (4*R*<=-<=*R*,<=2*R*), ..., (2*Rm*<=-<=*R*,<=2*R*), respectively.
Naturally, the bear painted the circles for a simple experiment with a fly. The experiment continued for *m*2 days. Each day of the experiment got its own unique number from 0 to *m*2<=-<=1, inclusive.
On the day number *i* the following things happened:
1. The fly arrived at the coordinate plane at the center of the circle with number ( is the result of dividing number *x* by number *y*, rounded down to an integer). 1. The fly went along the coordinate plane to the center of the circle number ( is the remainder after dividing number *x* by number *y*). The bear noticed that the fly went from the center of circle *v* to the center of circle *u* along the shortest path with all points lying on the border or inside at least one of the 2*m* circles. After the fly reached the center of circle *u*, it flew away in an unknown direction.
Help Vasily, count the average distance the fly went along the coordinate plane during each of these *m*2 days.
Input Specification:
The first line contains two integers *m*,<=*R* (1<=≤<=*m*<=≤<=105, 1<=≤<=*R*<=≤<=10).
Output Specification:
In a single line print a single real number — the answer to the problem. The answer will be considered correct if its absolute or relative error doesn't exceed 10<=-<=6.
Demo Input:
['1 1\n', '2 2\n']
Demo Output:
['2.0000000000\n', '5.4142135624\n']
Note:
<img class="tex-graphics" src="https://espresso.codeforces.com/9fe384073741e20965ddc4bf162afd3a604b6b39.png" style="max-width: 100.0%;max-height: 100.0%;"/>
Figure to the second sample
|
```python
import math
m,R=map(int,input().split())
cord=math.sqrt(2*(R**2))
li=0
unit=int(2*R)
x=(m)*(m/2)
for i in range(m):
li+=2*R*m
li+=(cord*(m-1))
if(i==0 or i==m-1):
if(m==1):
continue
ans+=cord*(m-2)
else:
if(m==1):
continue
li+=cord*(m-3)
left=(i-1)-1
if(left<-1):
left=-1
li+=(left+1)*(left/2)*unit
r=(m-1)-(i)-2
if(r<-1):
r=-1
li=li+(r+1)*(r/2)*unit
li/=(m**2)
print(li)
```
| -1
|
|
729
|
A
|
Interview with Oleg
|
PROGRAMMING
| 900
|
[
"implementation",
"strings"
] | null | null |
Polycarp has interviewed Oleg and has written the interview down without punctuation marks and spaces to save time. Thus, the interview is now a string *s* consisting of *n* lowercase English letters.
There is a filler word ogo in Oleg's speech. All words that can be obtained from ogo by adding go several times to the end of it are also considered to be fillers. For example, the words ogo, ogogo, ogogogo are fillers, but the words go, og, ogog, ogogog and oggo are not fillers.
The fillers have maximal size, for example, for ogogoo speech we can't consider ogo a filler and goo as a normal phrase. We should consider ogogo as a filler here.
To print the interview, Polycarp has to replace each of the fillers with three asterisks. Note that a filler word is replaced with exactly three asterisks regardless of its length.
Polycarp has dealt with this problem in no time. Can you do the same? The clock is ticking!
|
The first line contains a positive integer *n* (1<=≤<=*n*<=≤<=100) — the length of the interview.
The second line contains the string *s* of length *n*, consisting of lowercase English letters.
|
Print the interview text after the replacement of each of the fillers with "***". It is allowed for the substring "***" to have several consecutive occurences.
|
[
"7\naogogob\n",
"13\nogogmgogogogo\n",
"9\nogoogoogo\n"
] |
[
"a***b\n",
"***gmg***\n",
"*********\n"
] |
The first sample contains one filler word ogogo, so the interview for printing is "a***b".
The second sample contains two fillers ogo and ogogogo. Thus, the interview is transformed to "***gmg***".
| 500
|
[
{
"input": "7\naogogob",
"output": "a***b"
},
{
"input": "13\nogogmgogogogo",
"output": "***gmg***"
},
{
"input": "9\nogoogoogo",
"output": "*********"
},
{
"input": "32\nabcdefogoghijklmnogoopqrstuvwxyz",
"output": "abcdef***ghijklmn***opqrstuvwxyz"
},
{
"input": "100\nggogogoooggogooggoggogggggogoogoggooooggooggoooggogoooggoggoogggoogoggogggoooggoggoggogggogoogggoooo",
"output": "gg***oogg***oggoggoggggg******ggooooggooggooogg***ooggoggoogggo***ggogggoooggoggoggoggg***ogggoooo"
},
{
"input": "10\nogooggoggo",
"output": "***oggoggo"
},
{
"input": "20\nooggooogooogooogooog",
"output": "ooggoo***o***o***oog"
},
{
"input": "30\ngoggogoooggooggggoggoggoogoggo",
"output": "gogg***ooggooggggoggoggo***ggo"
},
{
"input": "40\nogggogooggoogoogggogooogogggoogggooggooo",
"output": "oggg***oggo***oggg***o***gggoogggooggooo"
},
{
"input": "50\noggggogoogggggggoogogggoooggooogoggogooogogggogooo",
"output": "ogggg***ogggggggo***gggoooggoo***gg***o***ggg***oo"
},
{
"input": "60\nggoooogoggogooogogooggoogggggogogogggggogggogooogogogggogooo",
"output": "ggooo***gg***o***oggooggggg***gggggoggg***o***ggg***oo"
},
{
"input": "70\ngogoooggggoggoggggggoggggoogooogogggggooogggogoogoogoggogggoggogoooooo",
"output": "g***ooggggoggoggggggoggggo***o***gggggoooggg*********ggogggogg***ooooo"
},
{
"input": "80\nooogoggoooggogogoggooooogoogogooogoggggogggggogoogggooogooooooggoggoggoggogoooog",
"output": "oo***ggooogg***ggoooo******o***ggggoggggg***ogggoo***oooooggoggoggogg***ooog"
},
{
"input": "90\nooogoggggooogoggggoooogggggooggoggoggooooooogggoggogggooggggoooooogoooogooggoooogggggooooo",
"output": "oo***ggggoo***ggggoooogggggooggoggoggooooooogggoggogggooggggooooo***oo***oggoooogggggooooo"
},
{
"input": "100\ngooogoggooggggoggoggooooggogoogggoogogggoogogoggogogogoggogggggogggggoogggooogogoggoooggogoooooogogg",
"output": "goo***ggooggggoggoggoooogg***ogggo***gggo***gg***ggogggggogggggoogggoo***ggooogg***oooo***gg"
},
{
"input": "100\ngoogoogggogoooooggoogooogoogoogogoooooogooogooggggoogoggogooogogogoogogooooggoggogoooogooooooggogogo",
"output": "go***oggg***ooooggo***o*********oooo***o***oggggo***gg***o******oooggogg***oo***ooooogg***"
},
{
"input": "100\ngoogoggggogggoooggoogoogogooggoggooggggggogogggogogggoogogggoogoggoggogooogogoooogooggggogggogggoooo",
"output": "go***ggggogggoooggo******oggoggoogggggg***ggg***gggo***gggo***ggogg***o***oo***oggggogggogggoooo"
},
{
"input": "100\nogogogogogoggogogogogogogoggogogogoogoggoggooggoggogoogoooogogoogggogogogogogoggogogogogogogogogogoe",
"output": "***gg***gg******ggoggooggogg******oo***oggg***gg***e"
},
{
"input": "5\nogoga",
"output": "***ga"
},
{
"input": "1\no",
"output": "o"
},
{
"input": "100\nogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogog",
"output": "***g"
},
{
"input": "99\nogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogogo",
"output": "***"
},
{
"input": "5\nggggg",
"output": "ggggg"
},
{
"input": "6\ngoogoo",
"output": "go***o"
},
{
"input": "7\nooogooo",
"output": "oo***oo"
},
{
"input": "8\ngggggggg",
"output": "gggggggg"
},
{
"input": "9\nogggogggg",
"output": "ogggogggg"
},
{
"input": "10\nogogoggogo",
"output": "***gg***"
},
{
"input": "11\noooggooggog",
"output": "oooggooggog"
},
{
"input": "12\nogggooooggog",
"output": "ogggooooggog"
},
{
"input": "13\nogoggogogooog",
"output": "***gg***oog"
},
{
"input": "15\nggooogoooggoggg",
"output": "ggoo***ooggoggg"
},
{
"input": "14\noogooooggooggo",
"output": "o***oooggooggo"
},
{
"input": "1\na",
"output": "a"
},
{
"input": "1\ng",
"output": "g"
},
{
"input": "1\nz",
"output": "z"
},
{
"input": "46\nsdfkogogogogergergogogergerogogogogoergoegogog",
"output": "sdfk***gergerg***gerger***ergoeg***g"
},
{
"input": "86\ngdfggogogodfogogdofgoodfogodgodgfogoogdodhbofgobgbgfogoogdfogogogogogoogggsgfosogodgon",
"output": "gdfgg***df***gdofgoodf***dgodgf***ogdodhbofgobgbgf***ogdf***ogggsgfos***dgon"
},
{
"input": "83\nergegergoogogogerogoerorogroeorgefxcfgzdgawofqpwzxcvbnmsdfkfpweoriqgtogooggsdgogoog",
"output": "ergegergo***ger***erorogroeorgefxcfgzdgawofqpwzxcvbnmsdfkfpweoriqgt***oggsdg***og"
},
{
"input": "2\nog",
"output": "og"
},
{
"input": "4\nogog",
"output": "***g"
},
{
"input": "4\nogoo",
"output": "***o"
},
{
"input": "29\naaaogogogogogogogogogogogobbb",
"output": "aaa***bbb"
},
{
"input": "11\nogogogogogo",
"output": "***"
},
{
"input": "9\nogogogogo",
"output": "***"
},
{
"input": "3\nogo",
"output": "***"
},
{
"input": "15\nogogogogogogogo",
"output": "***"
},
{
"input": "25\nogogogogogogogogogogogogo",
"output": "***"
}
] | 1,582,974,666
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 48
| 124
| 0
|
n, s = int(input()) // 2, input()
while n:
s = s.replace('og' * n + 'o', '***')
n -= 1
print(s)
|
Title: Interview with Oleg
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Polycarp has interviewed Oleg and has written the interview down without punctuation marks and spaces to save time. Thus, the interview is now a string *s* consisting of *n* lowercase English letters.
There is a filler word ogo in Oleg's speech. All words that can be obtained from ogo by adding go several times to the end of it are also considered to be fillers. For example, the words ogo, ogogo, ogogogo are fillers, but the words go, og, ogog, ogogog and oggo are not fillers.
The fillers have maximal size, for example, for ogogoo speech we can't consider ogo a filler and goo as a normal phrase. We should consider ogogo as a filler here.
To print the interview, Polycarp has to replace each of the fillers with three asterisks. Note that a filler word is replaced with exactly three asterisks regardless of its length.
Polycarp has dealt with this problem in no time. Can you do the same? The clock is ticking!
Input Specification:
The first line contains a positive integer *n* (1<=≤<=*n*<=≤<=100) — the length of the interview.
The second line contains the string *s* of length *n*, consisting of lowercase English letters.
Output Specification:
Print the interview text after the replacement of each of the fillers with "***". It is allowed for the substring "***" to have several consecutive occurences.
Demo Input:
['7\naogogob\n', '13\nogogmgogogogo\n', '9\nogoogoogo\n']
Demo Output:
['a***b\n', '***gmg***\n', '*********\n']
Note:
The first sample contains one filler word ogogo, so the interview for printing is "a***b".
The second sample contains two fillers ogo and ogogogo. Thus, the interview is transformed to "***gmg***".
|
```python
n, s = int(input()) // 2, input()
while n:
s = s.replace('og' * n + 'o', '***')
n -= 1
print(s)
```
| 3
|
|
96
|
A
|
Football
|
PROGRAMMING
| 900
|
[
"implementation",
"strings"
] |
A. Football
|
2
|
256
|
Petya loves football very much. One day, as he was watching a football match, he was writing the players' current positions on a piece of paper. To simplify the situation he depicted it as a string consisting of zeroes and ones. A zero corresponds to players of one team; a one corresponds to players of another team. If there are at least 7 players of some team standing one after another, then the situation is considered dangerous. For example, the situation 00100110111111101 is dangerous and 11110111011101 is not. You are given the current situation. Determine whether it is dangerous or not.
|
The first input line contains a non-empty string consisting of characters "0" and "1", which represents players. The length of the string does not exceed 100 characters. There's at least one player from each team present on the field.
|
Print "YES" if the situation is dangerous. Otherwise, print "NO".
|
[
"001001\n",
"1000000001\n"
] |
[
"NO\n",
"YES\n"
] |
none
| 500
|
[
{
"input": "001001",
"output": "NO"
},
{
"input": "1000000001",
"output": "YES"
},
{
"input": "00100110111111101",
"output": "YES"
},
{
"input": "11110111111111111",
"output": "YES"
},
{
"input": "01",
"output": "NO"
},
{
"input": "10100101",
"output": "NO"
},
{
"input": "1010010100000000010",
"output": "YES"
},
{
"input": "101010101",
"output": "NO"
},
{
"input": "000000000100000000000110101100000",
"output": "YES"
},
{
"input": "100001000000110101100000",
"output": "NO"
},
{
"input": "100001000011010110000",
"output": "NO"
},
{
"input": "010",
"output": "NO"
},
{
"input": "10101011111111111111111111111100",
"output": "YES"
},
{
"input": "1001101100",
"output": "NO"
},
{
"input": "1001101010",
"output": "NO"
},
{
"input": "1111100111",
"output": "NO"
},
{
"input": "00110110001110001111",
"output": "NO"
},
{
"input": "11110001001111110001",
"output": "NO"
},
{
"input": "10001111001011111101",
"output": "NO"
},
{
"input": "10000010100000001000110001010100001001001010011",
"output": "YES"
},
{
"input": "01111011111010111100101100001011001010111110000010",
"output": "NO"
},
{
"input": "00100000100100101110011001011011101110110110010100",
"output": "NO"
},
{
"input": "10110100110001001011110101110010100010000000000100101010111110111110100011",
"output": "YES"
},
{
"input": "00011101010101111001011011001101101011111101000010100000111000011100101011",
"output": "NO"
},
{
"input": "01110000110100110101110100111000101101011101011110110100100111100001110111",
"output": "NO"
},
{
"input": "11110110011000100111100111101101011111110100010101011011111101110110110111",
"output": "YES"
},
{
"input": "100100010101110010001011001110100011100010011110100101100011010001001010001001101111001100",
"output": "NO"
},
{
"input": "111110010001011010010011111100110110001111000010100011011100111101111101110010101111011110000001010",
"output": "NO"
},
{
"input": "111110111100010100000100001010111011101011000111011011011010110010100010000101011111000011010011110",
"output": "NO"
},
{
"input": "1011110110111010110111111010010010100011111011110000011000110010011110111010110100011010100010111000",
"output": "NO"
},
{
"input": "0010100111100010110110000011100111110100111110001010000100111111111010111100101101010101001011010110",
"output": "YES"
},
{
"input": "1111010100010100101011101100101101110011000010100010000001111100010011100101010001101111000001011000",
"output": "NO"
},
{
"input": "0101100011001110001110100111100011010101011000000000110110010010111100101111010111100011101100100101",
"output": "YES"
},
{
"input": "0001101110011101110000000010011111101001101111100001001010110000110001100000010001111011011110001101",
"output": "YES"
},
{
"input": "1000010000100000100010000100001000010000100001000010000100001000010000100001000010000100001000010000",
"output": "NO"
},
{
"input": "1000000000100000000010000000001000000000100000000010000000001000000000100000000010000000001000000000",
"output": "YES"
},
{
"input": "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
"output": "YES"
},
{
"input": "1111111111111111111111111111111111111111011111111111111111111111111111111111111111111111111111111111",
"output": "YES"
},
{
"input": "10100101000",
"output": "NO"
},
{
"input": "11110111011101",
"output": "NO"
},
{
"input": "10000000",
"output": "YES"
},
{
"input": "00000001",
"output": "YES"
},
{
"input": "01111111",
"output": "YES"
},
{
"input": "11111110",
"output": "YES"
}
] | 1,666,886,127
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 8
| 92
| 0
|
s=input()
if s.count("0000000")==1 or s.count("1111111")==1:
print("YES")
else:
print("NO")
|
Title: Football
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Petya loves football very much. One day, as he was watching a football match, he was writing the players' current positions on a piece of paper. To simplify the situation he depicted it as a string consisting of zeroes and ones. A zero corresponds to players of one team; a one corresponds to players of another team. If there are at least 7 players of some team standing one after another, then the situation is considered dangerous. For example, the situation 00100110111111101 is dangerous and 11110111011101 is not. You are given the current situation. Determine whether it is dangerous or not.
Input Specification:
The first input line contains a non-empty string consisting of characters "0" and "1", which represents players. The length of the string does not exceed 100 characters. There's at least one player from each team present on the field.
Output Specification:
Print "YES" if the situation is dangerous. Otherwise, print "NO".
Demo Input:
['001001\n', '1000000001\n']
Demo Output:
['NO\n', 'YES\n']
Note:
none
|
```python
s=input()
if s.count("0000000")==1 or s.count("1111111")==1:
print("YES")
else:
print("NO")
```
| 0
|
761
|
B
|
Dasha and friends
|
PROGRAMMING
| 1,300
|
[
"brute force",
"implementation",
"math"
] | null | null |
Running with barriers on the circle track is very popular in the country where Dasha lives, so no wonder that on her way to classes she saw the following situation:
The track is the circle with length *L*, in distinct points of which there are *n* barriers. Athlete always run the track in counterclockwise direction if you look on him from above. All barriers are located at integer distance from each other along the track.
Her friends the parrot Kefa and the leopard Sasha participated in competitions and each of them ran one lap. Each of the friends started from some integral point on the track. Both friends wrote the distance from their start along the track to each of the *n* barriers. Thus, each of them wrote *n* integers in the ascending order, each of them was between 0 and *L*<=-<=1, inclusively.
There are several tracks in the country, all of them have same length and same number of barriers, but the positions of the barriers can differ among different tracks. Now Dasha is interested if it is possible that Kefa and Sasha ran the same track or they participated on different tracks.
Write the program which will check that Kefa's and Sasha's tracks coincide (it means that one can be obtained from the other by changing the start position). Note that they always run the track in one direction — counterclockwise, if you look on a track from above.
|
The first line contains two integers *n* and *L* (1<=≤<=*n*<=≤<=50, *n*<=≤<=*L*<=≤<=100) — the number of barriers on a track and its length.
The second line contains *n* distinct integers in the ascending order — the distance from Kefa's start to each barrier in the order of its appearance. All integers are in the range from 0 to *L*<=-<=1 inclusively.
The second line contains *n* distinct integers in the ascending order — the distance from Sasha's start to each barrier in the order of its overcoming. All integers are in the range from 0 to *L*<=-<=1 inclusively.
|
Print "YES" (without quotes), if Kefa and Sasha ran the coinciding tracks (it means that the position of all barriers coincides, if they start running from the same points on the track). Otherwise print "NO" (without quotes).
|
[
"3 8\n2 4 6\n1 5 7\n",
"4 9\n2 3 5 8\n0 1 3 6\n",
"2 4\n1 3\n1 2\n"
] |
[
"YES\n",
"YES\n",
"NO\n"
] |
The first test is analyzed in the statement.
| 1,000
|
[
{
"input": "3 8\n2 4 6\n1 5 7",
"output": "YES"
},
{
"input": "4 9\n2 3 5 8\n0 1 3 6",
"output": "YES"
},
{
"input": "2 4\n1 3\n1 2",
"output": "NO"
},
{
"input": "5 9\n0 2 5 6 7\n1 3 6 7 8",
"output": "YES"
},
{
"input": "5 60\n7 26 27 40 59\n14 22 41 42 55",
"output": "YES"
},
{
"input": "20 29\n0 1 2 4 5 8 9 12 14 15 17 19 20 21 22 23 25 26 27 28\n0 2 4 5 6 7 8 10 11 12 13 14 15 16 18 19 22 23 26 28",
"output": "YES"
},
{
"input": "35 41\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 18 19 20 21 22 23 24 25 26 28 30 31 32 33 34 35 36 37 38 39 40\n0 1 2 3 4 5 7 8 9 10 11 12 16 17 18 19 20 21 22 23 24 26 28 29 30 31 32 33 34 35 36 37 38 39 40",
"output": "YES"
},
{
"input": "40 63\n0 2 3 4 5 6 9 10 12 15 17 19 23 25 26 27 28 29 30 31 33 34 36 37 38 39 40 43 45 49 50 52 53 54 55 57 58 60 61 62\n1 2 3 4 5 8 10 14 15 17 18 19 20 22 23 25 26 27 28 30 31 32 33 34 37 38 40 43 46 47 51 53 54 55 56 57 58 59 61 62",
"output": "NO"
},
{
"input": "50 97\n1 2 3 4 6 9 10 11 12 13 14 21 22 23 24 25 28 29 30 31 32 33 34 36 37 40 41 45 53 56 59 64 65 69 70 71 72 73 74 77 81 84 85 86 87 89 91 92 95 96\n0 1 2 3 6 10 13 14 15 16 18 20 21 24 25 27 28 29 30 33 35 36 37 38 39 40 47 48 49 50 51 54 55 56 57 58 59 60 62 63 66 67 71 79 82 85 90 91 95 96",
"output": "NO"
},
{
"input": "50 100\n0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98\n1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99",
"output": "YES"
},
{
"input": "1 2\n0\n0",
"output": "YES"
},
{
"input": "1 2\n0\n1",
"output": "YES"
},
{
"input": "1 2\n1\n0",
"output": "YES"
},
{
"input": "1 2\n1\n1",
"output": "YES"
},
{
"input": "1 1\n0\n0",
"output": "YES"
},
{
"input": "5 12\n2 3 4 8 10\n2 3 4 8 10",
"output": "YES"
},
{
"input": "1 18\n3\n10",
"output": "YES"
},
{
"input": "1 75\n65\n8",
"output": "YES"
},
{
"input": "2 16\n4 13\n2 11",
"output": "YES"
},
{
"input": "2 95\n45 59\n3 84",
"output": "YES"
},
{
"input": "3 53\n29 43 50\n29 43 50",
"output": "YES"
},
{
"input": "3 60\n39 46 51\n43 50 55",
"output": "YES"
},
{
"input": "4 4\n0 1 2 3\n0 1 2 3",
"output": "YES"
},
{
"input": "4 93\n45 48 50 90\n20 68 71 73",
"output": "YES"
},
{
"input": "6 18\n0 3 8 11 15 16\n2 7 10 14 15 17",
"output": "YES"
},
{
"input": "6 87\n0 1 21 31 34 66\n11 12 32 42 45 77",
"output": "YES"
},
{
"input": "7 26\n0 3 9 13 14 19 20\n4 7 13 17 18 23 24",
"output": "YES"
},
{
"input": "7 81\n0 12 19 24 25 35 59\n1 8 13 14 24 48 70",
"output": "YES"
},
{
"input": "8 20\n0 1 2 3 5 6 14 15\n1 2 10 11 16 17 18 19",
"output": "YES"
},
{
"input": "8 94\n0 8 11 27 38 54 57 89\n1 33 38 46 49 65 76 92",
"output": "YES"
},
{
"input": "9 18\n1 3 6 8 11 12 13 16 17\n0 2 5 6 7 10 11 13 15",
"output": "YES"
},
{
"input": "9 90\n10 11 27 33 34 55 63 84 87\n9 12 25 26 42 48 49 70 78",
"output": "YES"
},
{
"input": "10 42\n4 9 10 14 15 16 19 33 36 40\n0 14 17 21 27 32 33 37 38 39",
"output": "YES"
},
{
"input": "10 73\n4 5 15 19 20 25 28 42 57 58\n3 4 9 12 26 41 42 61 62 72",
"output": "YES"
},
{
"input": "11 11\n0 1 2 3 4 5 6 7 8 9 10\n0 1 2 3 4 5 6 7 8 9 10",
"output": "YES"
},
{
"input": "11 57\n1 4 27 30 31 35 37 41 50 52 56\n22 25 26 30 32 36 45 47 51 53 56",
"output": "YES"
},
{
"input": "12 73\n5 9 11 20 25 36 40 41 44 48 56 60\n12 16 18 27 32 43 47 48 51 55 63 67",
"output": "YES"
},
{
"input": "12 95\n1 37 42 46 56 58 59 62 64 71 76 80\n2 18 54 59 63 73 75 76 79 81 88 93",
"output": "YES"
},
{
"input": "13 29\n2 5 6 9 12 17 18 19 20 21 22 24 27\n0 3 6 11 12 13 14 15 16 18 21 25 28",
"output": "YES"
},
{
"input": "13 90\n9 18 23 30 31 36 39 44 58 59 74 82 87\n1 6 18 27 32 39 40 45 48 53 67 68 83",
"output": "YES"
},
{
"input": "14 29\n1 2 3 4 5 7 9 12 13 20 21 22 23 24\n0 3 4 11 12 13 14 15 21 22 23 24 25 27",
"output": "YES"
},
{
"input": "14 94\n7 8 9 21 34 35 36 37 38 43 46 52 84 93\n2 3 4 16 29 30 31 32 33 38 41 47 79 88",
"output": "YES"
},
{
"input": "15 19\n1 2 3 4 5 6 7 8 9 10 11 13 14 16 17\n0 1 2 3 4 5 6 7 8 9 10 12 13 15 16",
"output": "YES"
},
{
"input": "15 27\n2 3 4 5 6 7 8 9 10 11 12 14 17 24 26\n2 3 4 5 6 7 8 9 10 11 12 14 17 24 26",
"output": "YES"
},
{
"input": "16 28\n3 5 6 7 9 10 11 12 13 14 17 19 20 25 26 27\n0 5 6 7 11 13 14 15 17 18 19 20 21 22 25 27",
"output": "YES"
},
{
"input": "16 93\n5 6 10 11 13 14 41 43 46 61 63 70 74 79 83 92\n0 9 15 16 20 21 23 24 51 53 56 71 73 80 84 89",
"output": "YES"
},
{
"input": "17 49\n2 5 11 12 16 18 19 21 22 24 36 37 38 39 40 44 47\n1 7 8 12 14 15 17 18 20 32 33 34 35 36 40 43 47",
"output": "YES"
},
{
"input": "17 86\n16 17 25 33 39 41 50 51 54 56 66 70 72 73 77 80 85\n3 9 11 20 21 24 26 36 40 42 43 47 50 55 72 73 81",
"output": "YES"
},
{
"input": "18 20\n0 1 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19\n0 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19",
"output": "YES"
},
{
"input": "18 82\n0 5 10 13 14 16 21 28 29 30 44 46 61 64 69 71 77 78\n0 5 8 9 11 16 23 24 25 39 41 56 59 64 66 72 73 77",
"output": "YES"
},
{
"input": "19 25\n0 1 2 3 5 7 9 10 12 13 16 17 18 19 20 21 22 23 24\n0 3 4 5 6 7 8 9 10 11 12 13 14 15 17 19 21 22 24",
"output": "YES"
},
{
"input": "19 91\n5 17 18 20 22 25 26 31 32 33 43 47 54 61 62 64 77 80 87\n4 5 6 16 20 27 34 35 37 50 53 60 69 81 82 84 86 89 90",
"output": "YES"
},
{
"input": "20 53\n2 6 8 9 16 17 20 21 22 23 25 26 35 36 38 39 44 46 47 50\n4 5 8 9 10 11 13 14 23 24 26 27 32 34 35 38 43 47 49 50",
"output": "YES"
},
{
"input": "21 44\n0 1 3 4 6 7 8 9 10 11 12 15 17 18 21 22 27 29 34 36 42\n1 7 9 10 12 13 15 16 17 18 19 20 21 24 26 27 30 31 36 38 43",
"output": "YES"
},
{
"input": "21 94\n3 5 6 8 9 15 16 20 28 31 35 39 49 50 53 61 71 82 85 89 90\n6 17 20 24 25 32 34 35 37 38 44 45 49 57 60 64 68 78 79 82 90",
"output": "YES"
},
{
"input": "22 24\n0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23",
"output": "YES"
},
{
"input": "22 85\n3 5 7 14 18 21 25 32 38 41 53 58 61 62 66 70 71 73 75 76 79 83\n3 6 18 23 26 27 31 35 36 38 40 41 44 48 53 55 57 64 68 71 75 82",
"output": "YES"
},
{
"input": "23 38\n0 2 4 5 7 8 12 13 14 16 17 18 21 22 24 27 28 30 31 32 35 36 37\n0 1 2 3 5 7 8 10 11 15 16 17 19 20 21 24 25 27 30 31 33 34 35",
"output": "YES"
},
{
"input": "23 93\n1 3 5 10 19 22 26 27 30 35 39 53 55 60 66 67 75 76 77 80 82 89 90\n9 11 16 22 23 31 32 33 36 38 45 46 50 52 54 59 68 71 75 76 79 84 88",
"output": "YES"
},
{
"input": "24 37\n1 4 5 6 8 11 12 13 15 16 17 19 20 21 23 26 27 28 30 31 33 34 35 36\n0 3 4 5 7 8 10 11 12 13 15 18 19 20 22 25 26 27 29 30 31 33 34 35",
"output": "YES"
},
{
"input": "24 94\n9 10 13 14 16 18 19 22 24 29 32 35 48 55 57 63 64 69 72 77 78 85 90 92\n1 7 8 13 16 21 22 29 34 36 47 48 51 52 54 56 57 60 62 67 70 73 86 93",
"output": "YES"
},
{
"input": "25 45\n0 1 2 4 6 7 8 9 13 14 17 19 21 22 23 25 28 29 30 31 34 36 38 39 42\n1 3 4 5 7 10 11 12 13 16 18 20 21 24 27 28 29 31 33 34 35 36 40 41 44",
"output": "YES"
},
{
"input": "25 72\n1 2 6 8 9 11 15 18 19 20 26 29 31 33 34 40 41 43 45 48 58 60 68 69 71\n0 6 9 11 13 14 20 21 23 25 28 38 40 48 49 51 53 54 58 60 61 63 67 70 71",
"output": "YES"
},
{
"input": "26 47\n0 2 5 7 8 9 10 12 13 14 20 22 23 25 27 29 31 32 33 35 36 37 38 42 44 45\n0 2 4 6 8 9 10 12 13 14 15 19 21 22 24 26 29 31 32 33 34 36 37 38 44 46",
"output": "YES"
},
{
"input": "26 99\n0 1 13 20 21 22 25 26 27 28 32 39 44 47 56 58 60 62 71 81 83 87 89 93 94 98\n6 8 12 14 18 19 23 24 25 37 44 45 46 49 50 51 52 56 63 68 71 80 82 84 86 95",
"output": "YES"
},
{
"input": "27 35\n0 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 19 20 21 23 26 27 29 30 31 32 33\n0 1 2 3 5 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 24 25 26 28 31 32 34",
"output": "YES"
},
{
"input": "27 51\n1 2 4 7 8 11 13 17 20 21 23 24 25 28 29 30 34 35 37 38 40 43 45 46 47 48 50\n0 1 2 4 6 7 9 12 13 16 18 22 25 26 28 29 30 33 34 35 39 40 42 43 45 48 50",
"output": "YES"
},
{
"input": "28 38\n1 4 5 7 8 9 10 11 12 14 15 16 18 19 20 21 22 23 24 25 28 29 30 32 33 35 36 37\n0 1 2 3 4 5 6 9 10 11 13 14 16 17 18 20 23 24 26 27 28 29 30 31 33 34 35 37",
"output": "YES"
},
{
"input": "28 67\n0 1 2 3 6 9 10 15 18 22 24 25 30 35 36 38 39 47 48 49 51 53 55 56 58 62 63 64\n4 7 11 13 14 19 24 25 27 28 36 37 38 40 42 44 45 47 51 52 53 56 57 58 59 62 65 66",
"output": "YES"
},
{
"input": "29 29\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28",
"output": "YES"
},
{
"input": "29 93\n1 2 11 13 18 21 27 28 30 38 41 42 46 54 55 56 60 61 63 64 66 69 71 72 77 81 83 89 90\n2 10 11 12 16 17 19 20 22 25 27 28 33 37 39 45 46 50 51 60 62 67 70 76 77 79 87 90 91",
"output": "YES"
},
{
"input": "30 63\n0 2 3 5 6 7 8 10 13 18 19 21 22 23 26 32 35 37 38 39 40 41 43 44 49 51 53 54 58 61\n0 2 3 5 6 7 8 10 13 18 19 21 22 23 26 32 35 37 38 39 40 41 43 44 49 51 53 54 58 61",
"output": "YES"
},
{
"input": "30 91\n1 2 3 7 8 9 13 16 17 19 27 29 38 45 47 52 53 55 61 62 66 77 78 79 80 81 82 84 88 89\n3 4 5 9 12 13 15 23 25 34 41 43 48 49 51 57 58 62 73 74 75 76 77 78 80 84 85 88 89 90",
"output": "YES"
},
{
"input": "31 39\n0 1 2 3 4 5 6 7 8 10 11 13 14 17 18 20 21 23 24 25 27 28 29 30 31 33 34 35 36 37 38\n0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 21 22 25 26 28 29 31 32 33 35 36 37 38",
"output": "YES"
},
{
"input": "31 95\n9 12 14 15 21 23 26 28 30 36 37 42 47 51 54 56 59 62 64 65 66 70 72 74 75 79 82 85 87 91 93\n0 2 3 7 10 13 15 19 21 32 35 37 38 44 46 49 51 53 59 60 65 70 74 77 79 82 85 87 88 89 93",
"output": "YES"
},
{
"input": "32 61\n0 2 3 5 7 10 13 14 15 18 19 20 21 22 23 24 26 32 33 34 36 38 43 46 47 51 54 55 56 57 58 59\n1 2 4 6 9 12 13 14 17 18 19 20 21 22 23 25 31 32 33 35 37 42 45 46 50 53 54 55 56 57 58 60",
"output": "YES"
},
{
"input": "32 86\n5 7 9 10 13 17 18 19 25 26 28 32 33 37 38 43 45 47 50 53 57 58 60 69 73 74 75 77 80 82 83 85\n7 11 12 13 15 18 20 21 23 29 31 33 34 37 41 42 43 49 50 52 56 57 61 62 67 69 71 74 77 81 82 84",
"output": "YES"
},
{
"input": "33 44\n0 1 2 3 5 9 10 11 12 13 14 15 17 18 20 21 22 23 24 25 26 27 28 30 31 32 35 36 38 39 41 42 43\n0 2 3 4 7 8 10 11 13 14 15 16 17 18 19 21 25 26 27 28 29 30 31 33 34 36 37 38 39 40 41 42 43",
"output": "YES"
},
{
"input": "33 73\n3 6 7 8 9 10 11 13 14 15 17 19 22 23 26 27 28 31 33 34 35 37 42 44 48 52 54 57 62 63 64 67 68\n2 3 4 7 8 16 19 20 21 22 23 24 26 27 28 30 32 35 36 39 40 41 44 46 47 48 50 55 57 61 65 67 70",
"output": "YES"
},
{
"input": "34 52\n1 2 3 4 5 6 8 9 10 12 13 14 15 16 17 19 21 24 26 27 28 29 31 33 35 36 37 39 40 45 46 49 50 51\n0 1 2 3 4 6 7 8 10 11 12 13 14 15 17 19 22 24 25 26 27 29 31 33 34 35 37 38 43 44 47 48 49 51",
"output": "YES"
},
{
"input": "34 68\n0 7 9 10 11 14 15 16 20 21 22 24 26 32 34 35 37 38 40 41 42 43 44 45 47 50 53 55 57 58 59 62 64 65\n0 1 2 3 5 8 11 13 15 16 17 20 22 23 26 33 35 36 37 40 41 42 46 47 48 50 52 58 60 61 63 64 66 67",
"output": "YES"
},
{
"input": "35 90\n4 5 7 8 10 11 12 13 14 22 27 29 31 33 34 38 46 49 52 53 54 55 56 57 60 61 64 69 77 81 83 86 87 88 89\n4 7 10 11 12 13 14 15 18 19 22 27 35 39 41 44 45 46 47 52 53 55 56 58 59 60 61 62 70 75 77 79 81 82 86",
"output": "YES"
},
{
"input": "36 43\n1 2 3 4 6 7 8 9 10 11 14 16 17 18 19 20 21 22 23 24 25 26 27 29 30 31 32 33 34 35 36 37 38 39 40 42\n0 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 21 23 24 25 26 28 29 30 31 32 33 36 38 39 40 41 42",
"output": "YES"
},
{
"input": "36 84\n1 3 6 13 15 16 17 18 19 21 23 26 29 33 38 40 42 45 49 50 53 54 57 58 60 61 64 65 67 70 73 76 78 79 81 83\n0 2 5 8 12 17 19 21 24 28 29 32 33 36 37 39 40 43 44 46 49 52 55 57 58 60 62 64 66 69 76 78 79 80 81 82",
"output": "YES"
},
{
"input": "37 46\n0 1 3 6 7 8 9 10 12 13 14 16 17 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 39 40 41 42 43 44\n0 3 4 5 6 7 9 10 11 13 14 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 33 34 36 37 38 39 40 41 43 44",
"output": "YES"
},
{
"input": "37 97\n0 5 10 11 12 15 16 18 19 25 28 29 34 35 36 37 38 40 46 47 48 49 55 58 60 61 62 64 65 70 76 77 80 82 88 94 96\n1 7 13 15 16 21 26 27 28 31 32 34 35 41 44 45 50 51 52 53 54 56 62 63 64 65 71 74 76 77 78 80 81 86 92 93 96",
"output": "YES"
},
{
"input": "38 58\n1 2 3 4 5 8 9 11 12 13 15 16 17 22 23 24 25 26 27 29 30 31 32 33 34 36 37 40 41 43 46 47 48 52 53 55 56 57\n1 2 3 5 6 7 8 9 12 13 15 16 17 19 20 21 26 27 28 29 30 31 33 34 35 36 37 38 40 41 44 45 47 50 51 52 56 57",
"output": "YES"
},
{
"input": "38 92\n1 2 3 5 6 7 12 14 15 16 17 18 20 22 29 31 33 34 38 41 43 49 54 55 57 58 61 63 66 67 69 73 75 76 82 85 88 90\n1 3 4 10 13 16 18 21 22 23 25 26 27 32 34 35 36 37 38 40 42 49 51 53 54 58 61 63 69 74 75 77 78 81 83 86 87 89",
"output": "YES"
},
{
"input": "39 59\n0 1 2 3 5 6 7 8 9 10 11 12 13 15 16 17 19 24 25 28 29 31 32 33 35 37 38 40 41 42 43 45 46 47 49 50 53 55 56\n0 1 3 4 5 6 8 9 10 12 13 16 18 19 22 23 24 25 27 28 29 30 31 32 33 34 35 37 38 39 41 46 47 50 51 53 54 55 57",
"output": "YES"
},
{
"input": "39 67\n1 3 5 7 8 16 18 20 21 23 24 25 27 28 29 31 32 34 36 38 40 43 44 46 47 48 49 50 52 53 54 55 58 59 61 62 63 64 66\n0 1 2 4 6 8 10 12 13 21 23 25 26 28 29 30 32 33 34 36 37 39 41 43 45 48 49 51 52 53 54 55 57 58 59 60 63 64 66",
"output": "YES"
},
{
"input": "40 63\n0 2 3 4 5 6 9 10 12 15 18 19 23 25 26 27 28 29 30 31 33 34 36 37 38 39 40 43 45 49 50 52 53 54 55 57 58 60 61 62\n1 2 3 4 5 8 10 14 15 17 18 19 20 22 23 25 26 27 28 30 31 32 33 34 37 38 40 43 46 47 51 53 54 55 56 57 58 59 61 62",
"output": "YES"
},
{
"input": "40 96\n5 11 12 13 14 16 17 18 19 24 30 31 32 33 37 42 46 50 53 54 55 58 60 61 64 67 68 69 70 72 75 76 77 81 84 85 89 91 92 93\n2 7 11 15 18 19 20 23 25 26 29 32 33 34 35 37 40 41 42 46 49 50 54 56 57 58 66 72 73 74 75 77 78 79 80 85 91 92 93 94",
"output": "YES"
},
{
"input": "41 67\n0 2 3 5 8 10 11 12 13 14 15 19 20 21 22 26 29 30 31 32 34 35 37 38 40 41 44 45 46 47 49 51 52 53 54 56 57 58 59 63 66\n2 3 4 5 9 12 13 14 15 17 18 20 21 23 24 27 28 29 30 32 34 35 36 37 39 40 41 42 46 49 50 52 53 55 58 60 61 62 63 64 65",
"output": "YES"
},
{
"input": "41 72\n0 3 4 6 7 8 9 12 13 14 16 21 23 24 25 26 27 29 31 32 33 34 35 38 40 41 45 47 49 50 51 52 56 57 58 59 61 62 65 66 69\n0 1 4 5 6 8 13 15 16 17 18 19 21 23 24 25 26 27 30 32 33 37 39 41 42 43 44 48 49 50 51 53 54 57 58 61 64 67 68 70 71",
"output": "YES"
},
{
"input": "42 48\n0 1 2 3 4 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47\n0 1 2 3 4 5 6 8 9 10 11 12 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 37 38 39 40 41 42 43 45 46 47",
"output": "YES"
},
{
"input": "42 81\n0 1 3 6 7 8 11 13 17 18 19 21 22 24 29 30 31 32 34 35 38 44 46 48 49 50 51 52 53 55 59 61 62 63 65 66 67 69 70 72 77 80\n0 1 3 4 6 11 12 13 14 16 17 20 26 28 30 31 32 33 34 35 37 41 43 44 45 47 48 49 51 52 54 59 62 63 64 66 69 70 71 74 76 80",
"output": "YES"
},
{
"input": "43 55\n0 1 2 3 4 5 6 7 8 12 14 15 17 18 19 20 21 22 23 26 27 28 29 31 32 33 35 36 37 38 40 42 43 44 45 46 47 48 49 50 51 53 54\n1 2 4 5 6 7 8 9 10 13 14 15 16 18 19 20 22 23 24 25 27 29 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 48 49 50 54",
"output": "YES"
},
{
"input": "43 81\n2 3 4 5 6 7 9 10 12 13 18 19 20 21 23 26 27 29 30 32 34 38 39 43 46 47 48 50 51 52 54 55 58 62 64 67 69 70 71 72 73 75 80\n0 3 5 6 7 8 9 11 16 19 20 21 22 23 24 26 27 29 30 35 36 37 38 40 43 44 46 47 49 51 55 56 60 63 64 65 67 68 69 71 72 75 79",
"output": "YES"
},
{
"input": "44 54\n0 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 31 33 34 35 36 37 39 40 41 43 44 47 49 50 52 53\n0 1 2 3 4 5 6 7 8 10 12 13 14 15 16 18 19 20 22 23 26 28 29 31 32 33 34 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52",
"output": "YES"
},
{
"input": "44 93\n1 5 6 7 8 10 14 17 19 21 25 26 27 30 33 34 35 36 38 41 45 48 49 51 53 55 57 60 66 67 69 70 73 76 78 79 80 81 82 83 85 87 88 90\n0 2 4 8 9 10 13 16 17 18 19 21 24 28 31 32 34 36 38 40 43 49 50 52 53 56 59 61 62 63 64 65 66 68 70 71 73 77 81 82 83 84 86 90",
"output": "YES"
},
{
"input": "45 47\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 43 44 45 46\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 41 42 43 44 45 46",
"output": "YES"
},
{
"input": "45 71\n0 2 3 7 8 11 12 13 14 15 16 17 20 21 22 23 24 26 28 30 32 37 39 41 42 43 44 45 47 48 50 52 54 55 56 57 58 59 60 61 62 64 66 68 70\n0 1 2 3 4 7 8 9 10 11 13 15 17 19 24 26 28 29 30 31 32 34 35 37 39 41 42 43 44 45 46 47 48 49 51 53 55 57 58 60 61 65 66 69 70",
"output": "YES"
},
{
"input": "46 46\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45",
"output": "YES"
},
{
"input": "46 93\n0 1 2 6 13 16 17 18 19 21 27 29 32 34 37 38 39 40 41 44 45 49 50 52 54 56 57 61 64 65 66 67 69 71 73 75 77 78 79 83 85 87 88 90 91 92\n0 2 4 5 7 8 9 10 11 12 16 23 26 27 28 29 31 37 39 42 44 47 48 49 50 51 54 55 59 60 62 64 66 67 71 74 75 76 77 79 81 83 85 87 88 89",
"output": "YES"
},
{
"input": "47 49\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48\n0 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48",
"output": "YES"
},
{
"input": "47 94\n0 1 3 4 5 7 8 9 14 18 19 26 30 33 34 35 37 40 42 45 46 49 50 51 52 53 55 56 60 61 62 63 64 65 66 69 71 73 75 79 84 86 87 88 90 92 93\n1 2 3 4 6 7 8 10 11 12 17 21 22 29 33 36 37 38 40 43 45 48 49 52 53 54 55 56 58 59 63 64 65 66 67 68 69 72 74 76 78 82 87 89 90 91 93",
"output": "YES"
},
{
"input": "48 65\n0 1 2 4 5 6 7 8 9 10 11 12 15 16 17 20 22 24 25 26 27 28 30 32 33 34 35 37 38 39 44 45 46 47 48 50 51 52 53 54 55 56 57 58 59 61 62 63\n0 1 4 6 8 9 10 11 12 14 16 17 18 19 21 22 23 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 45 46 47 49 50 51 53 54 55 56 57 58 59 60 61 64",
"output": "YES"
},
{
"input": "48 90\n1 3 4 5 8 9 11 13 14 15 16 18 20 21 24 26 29 30 31 33 34 36 37 38 39 40 42 43 44 46 47 48 51 52 55 58 59 61 62 63 65 66 68 78 79 81 82 89\n0 3 4 6 8 9 10 11 13 15 16 19 21 24 25 26 28 29 31 32 33 34 35 37 38 39 41 42 43 46 47 50 53 54 56 57 58 60 61 63 73 74 76 77 84 86 88 89",
"output": "YES"
},
{
"input": "49 60\n0 1 2 5 7 8 9 10 11 12 13 14 15 16 17 19 20 21 23 25 26 27 28 29 30 31 32 33 34 36 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 58 59\n0 1 2 3 4 5 6 7 8 10 11 12 14 16 17 18 19 20 21 22 23 24 25 27 29 30 31 32 33 34 35 37 38 39 40 41 42 43 44 45 46 49 50 51 52 53 56 58 59",
"output": "YES"
},
{
"input": "49 97\n0 1 2 3 6 8 11 14 19 23 26 29 32 34 35 37 39 41 43 44 45 46 51 53 63 64 65 66 67 70 71 72 73 76 77 78 79 81 83 84 86 87 90 91 92 93 94 95 96\n0 3 4 5 6 7 8 9 10 11 12 13 16 18 21 24 29 33 36 39 42 44 45 47 49 51 53 54 55 56 61 63 73 74 75 76 77 80 81 82 83 86 87 88 89 91 93 94 96",
"output": "YES"
},
{
"input": "50 58\n0 1 2 3 5 6 7 8 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 49 50 54 55 56 57\n0 1 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32 36 37 38 39 40 41 42 43 45 46 47 48 50 51 52 53 54 55 56 57",
"output": "YES"
},
{
"input": "50 97\n1 2 3 4 7 9 10 11 12 13 14 21 22 23 24 25 28 29 30 31 32 33 34 36 37 40 41 45 53 56 59 64 65 69 70 71 72 73 74 77 81 84 85 86 87 89 91 92 95 96\n0 1 2 3 6 10 13 14 15 16 18 20 21 24 25 27 28 29 30 33 35 36 37 38 39 40 47 48 49 50 51 54 55 56 57 58 59 60 62 63 66 67 71 79 82 85 90 91 95 96",
"output": "YES"
},
{
"input": "40 96\n5 11 12 13 14 16 17 18 19 24 30 31 32 33 37 42 46 50 53 54 55 58 60 61 64 67 68 69 70 72 75 76 77 81 84 85 88 91 92 93\n2 7 11 15 18 19 20 23 25 26 29 32 33 34 35 37 40 41 42 46 49 50 54 56 57 58 66 72 73 74 75 77 78 79 80 85 91 92 93 94",
"output": "NO"
},
{
"input": "41 67\n0 2 3 5 8 10 11 12 13 14 15 19 20 21 22 25 29 30 31 32 34 35 37 38 40 41 44 45 46 47 49 51 52 53 54 56 57 58 59 63 66\n2 3 4 5 9 12 13 14 15 17 18 20 21 23 24 27 28 29 30 32 34 35 36 37 39 40 41 42 46 49 50 52 53 55 58 60 61 62 63 64 65",
"output": "NO"
},
{
"input": "41 72\n0 3 4 6 7 8 9 12 13 14 16 21 23 24 25 26 27 28 31 32 33 34 35 38 40 41 45 47 49 50 51 52 56 57 58 59 61 62 65 66 69\n0 1 4 5 6 8 13 15 16 17 18 19 21 23 24 25 26 27 30 32 33 37 39 41 42 43 44 48 49 50 51 53 54 57 58 61 64 67 68 70 71",
"output": "NO"
},
{
"input": "42 48\n0 1 2 3 4 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 27 28 29 30 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47\n0 1 2 3 4 5 6 8 9 10 11 12 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 37 38 39 40 41 42 43 45 46 47",
"output": "NO"
},
{
"input": "42 81\n0 1 3 6 7 8 11 13 17 18 19 20 22 24 29 30 31 32 34 35 38 44 46 48 49 50 51 52 53 55 59 61 62 63 65 66 67 69 70 72 77 80\n0 1 3 4 6 11 12 13 14 16 17 20 26 28 30 31 32 33 34 35 37 41 43 44 45 47 48 49 51 52 54 59 62 63 64 66 69 70 71 74 76 80",
"output": "NO"
},
{
"input": "43 55\n0 1 2 3 4 5 6 7 8 12 14 15 17 18 19 20 21 22 23 26 27 28 29 31 32 33 34 36 37 38 40 42 43 44 45 46 47 48 49 50 51 53 54\n1 2 4 5 6 7 8 9 10 13 14 15 16 18 19 20 22 23 24 25 27 29 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 48 49 50 54",
"output": "NO"
},
{
"input": "43 81\n2 3 4 5 6 7 9 10 12 13 17 19 20 21 23 26 27 29 30 32 34 38 39 43 46 47 48 50 51 52 54 55 58 62 64 67 69 70 71 72 73 75 80\n0 3 5 6 7 8 9 11 16 19 20 21 22 23 24 26 27 29 30 35 36 37 38 40 43 44 46 47 49 51 55 56 60 63 64 65 67 68 69 71 72 75 79",
"output": "NO"
},
{
"input": "44 54\n0 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 26 27 28 29 31 33 34 35 36 37 38 40 41 43 44 47 49 50 52 53\n0 1 2 3 4 5 6 7 8 10 12 13 14 15 16 18 19 20 22 23 26 28 29 31 32 33 34 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52",
"output": "NO"
},
{
"input": "44 93\n1 5 6 7 8 10 14 17 19 21 25 26 27 30 33 34 35 36 38 41 45 48 49 51 53 55 57 60 66 67 69 70 73 76 78 79 80 81 82 83 84 87 88 90\n0 2 4 8 9 10 13 16 17 18 19 21 24 28 31 32 34 36 38 40 43 49 50 52 53 56 59 61 62 63 64 65 66 68 70 71 73 77 81 82 83 84 86 90",
"output": "NO"
},
{
"input": "45 47\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 44 45 46\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 41 42 43 44 45 46",
"output": "YES"
},
{
"input": "45 71\n0 2 3 7 8 11 12 13 14 15 16 17 20 21 22 23 24 26 28 30 32 37 39 40 42 43 44 45 47 48 50 52 54 55 56 57 58 59 60 61 62 64 66 68 70\n0 1 2 3 4 7 8 9 10 11 13 15 17 19 24 26 28 29 30 31 32 34 35 37 39 41 42 43 44 45 46 47 48 49 51 53 55 57 58 60 61 65 66 69 70",
"output": "NO"
},
{
"input": "46 46\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45\n0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45",
"output": "YES"
},
{
"input": "46 93\n0 1 2 6 13 16 17 18 19 21 27 29 32 34 37 38 39 40 41 44 45 49 50 52 54 56 57 61 64 65 66 67 69 71 73 75 77 78 79 83 85 86 88 90 91 92\n0 2 4 5 7 8 9 10 11 12 16 23 26 27 28 29 31 37 39 42 44 47 48 49 50 51 54 55 59 60 62 64 66 67 71 74 75 76 77 79 81 83 85 87 88 89",
"output": "NO"
},
{
"input": "47 49\n0 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48\n0 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48",
"output": "YES"
},
{
"input": "47 94\n0 1 3 4 5 7 8 9 14 18 19 26 30 33 34 35 37 40 42 44 46 49 50 51 52 53 55 56 60 61 62 63 64 65 66 69 71 73 75 79 84 86 87 88 90 92 93\n1 2 3 4 6 7 8 10 11 12 17 21 22 29 33 36 37 38 40 43 45 48 49 52 53 54 55 56 58 59 63 64 65 66 67 68 69 72 74 76 78 82 87 89 90 91 93",
"output": "NO"
},
{
"input": "48 65\n0 1 2 4 5 6 7 8 9 10 11 12 15 16 17 20 21 24 25 26 27 28 30 32 33 34 35 37 38 39 44 45 46 47 48 50 51 52 53 54 55 56 57 58 59 61 62 63\n0 1 4 6 8 9 10 11 12 14 16 17 18 19 21 22 23 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 45 46 47 49 50 51 53 54 55 56 57 58 59 60 61 64",
"output": "NO"
},
{
"input": "48 90\n1 3 4 5 8 9 11 13 14 15 16 17 20 21 24 26 29 30 31 33 34 36 37 38 39 40 42 43 44 46 47 48 51 52 55 58 59 61 62 63 65 66 68 78 79 81 82 89\n0 3 4 6 8 9 10 11 13 15 16 19 21 24 25 26 28 29 31 32 33 34 35 37 38 39 41 42 43 46 47 50 53 54 56 57 58 60 61 63 73 74 76 77 84 86 88 89",
"output": "NO"
},
{
"input": "49 60\n0 1 2 5 7 8 9 10 11 12 13 14 15 16 17 18 20 21 23 25 26 27 28 29 30 31 32 33 34 36 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 58 59\n0 1 2 3 4 5 6 7 8 10 11 12 14 16 17 18 19 20 21 22 23 24 25 27 29 30 31 32 33 34 35 37 38 39 40 41 42 43 44 45 46 49 50 51 52 53 56 58 59",
"output": "NO"
},
{
"input": "49 97\n0 1 2 3 5 8 11 14 19 23 26 29 32 34 35 37 39 41 43 44 45 46 51 53 63 64 65 66 67 70 71 72 73 76 77 78 79 81 83 84 86 87 90 91 92 93 94 95 96\n0 3 4 5 6 7 8 9 10 11 12 13 16 18 21 24 29 33 36 39 42 44 45 47 49 51 53 54 55 56 61 63 73 74 75 76 77 80 81 82 83 86 87 88 89 91 93 94 96",
"output": "NO"
},
{
"input": "50 58\n0 1 2 3 5 6 7 8 10 11 12 13 14 15 16 17 18 19 21 22 23 24 25 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 50 54 55 56 57\n0 1 3 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 31 32 36 37 38 39 40 41 42 43 45 46 47 48 50 51 52 53 54 55 56 57",
"output": "NO"
},
{
"input": "5 10\n0 1 3 5 7\n0 1 2 4 7",
"output": "NO"
},
{
"input": "5 8\n0 2 4 6 7\n0 2 3 5 7",
"output": "NO"
}
] | 1,570,186,081
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 4
| 109
| 0
|
n,l= map(int,input().split())
a= list(map(int,input().split()))
b= list(map(int,input().split()))
l11= [a[i+1]-a[i] for i in range(n-1)]
a1= [a[-1]]+ a[:n-1]
l1= [abs(a1[i+1]-a1[i]) for i in range(n-1)]
l2= [b[i+1]- b[i] for i in range(n-1)]
if l1==l2 or l11==l2:
print("YES")
else:
print("NO")
|
Title: Dasha and friends
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Running with barriers on the circle track is very popular in the country where Dasha lives, so no wonder that on her way to classes she saw the following situation:
The track is the circle with length *L*, in distinct points of which there are *n* barriers. Athlete always run the track in counterclockwise direction if you look on him from above. All barriers are located at integer distance from each other along the track.
Her friends the parrot Kefa and the leopard Sasha participated in competitions and each of them ran one lap. Each of the friends started from some integral point on the track. Both friends wrote the distance from their start along the track to each of the *n* barriers. Thus, each of them wrote *n* integers in the ascending order, each of them was between 0 and *L*<=-<=1, inclusively.
There are several tracks in the country, all of them have same length and same number of barriers, but the positions of the barriers can differ among different tracks. Now Dasha is interested if it is possible that Kefa and Sasha ran the same track or they participated on different tracks.
Write the program which will check that Kefa's and Sasha's tracks coincide (it means that one can be obtained from the other by changing the start position). Note that they always run the track in one direction — counterclockwise, if you look on a track from above.
Input Specification:
The first line contains two integers *n* and *L* (1<=≤<=*n*<=≤<=50, *n*<=≤<=*L*<=≤<=100) — the number of barriers on a track and its length.
The second line contains *n* distinct integers in the ascending order — the distance from Kefa's start to each barrier in the order of its appearance. All integers are in the range from 0 to *L*<=-<=1 inclusively.
The second line contains *n* distinct integers in the ascending order — the distance from Sasha's start to each barrier in the order of its overcoming. All integers are in the range from 0 to *L*<=-<=1 inclusively.
Output Specification:
Print "YES" (without quotes), if Kefa and Sasha ran the coinciding tracks (it means that the position of all barriers coincides, if they start running from the same points on the track). Otherwise print "NO" (without quotes).
Demo Input:
['3 8\n2 4 6\n1 5 7\n', '4 9\n2 3 5 8\n0 1 3 6\n', '2 4\n1 3\n1 2\n']
Demo Output:
['YES\n', 'YES\n', 'NO\n']
Note:
The first test is analyzed in the statement.
|
```python
n,l= map(int,input().split())
a= list(map(int,input().split()))
b= list(map(int,input().split()))
l11= [a[i+1]-a[i] for i in range(n-1)]
a1= [a[-1]]+ a[:n-1]
l1= [abs(a1[i+1]-a1[i]) for i in range(n-1)]
l2= [b[i+1]- b[i] for i in range(n-1)]
if l1==l2 or l11==l2:
print("YES")
else:
print("NO")
```
| 0
|
|
709
|
A
|
Juicer
|
PROGRAMMING
| 900
|
[
"implementation"
] | null | null |
Kolya is going to make fresh orange juice. He has *n* oranges of sizes *a*1,<=*a*2,<=...,<=*a**n*. Kolya will put them in the juicer in the fixed order, starting with orange of size *a*1, then orange of size *a*2 and so on. To be put in the juicer the orange must have size not exceeding *b*, so if Kolya sees an orange that is strictly greater he throws it away and continues with the next one.
The juicer has a special section to collect waste. It overflows if Kolya squeezes oranges of the total size strictly greater than *d*. When it happens Kolya empties the waste section (even if there are no more oranges) and continues to squeeze the juice. How many times will he have to empty the waste section?
|
The first line of the input contains three integers *n*, *b* and *d* (1<=≤<=*n*<=≤<=100<=000, 1<=≤<=*b*<=≤<=*d*<=≤<=1<=000<=000) — the number of oranges, the maximum size of the orange that fits in the juicer and the value *d*, which determines the condition when the waste section should be emptied.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=1<=000<=000) — sizes of the oranges listed in the order Kolya is going to try to put them in the juicer.
|
Print one integer — the number of times Kolya will have to empty the waste section.
|
[
"2 7 10\n5 6\n",
"1 5 10\n7\n",
"3 10 10\n5 7 7\n",
"1 1 1\n1\n"
] |
[
"1\n",
"0\n",
"1\n",
"0\n"
] |
In the first sample, Kolya will squeeze the juice from two oranges and empty the waste section afterwards.
In the second sample, the orange won't fit in the juicer so Kolya will have no juice at all.
| 500
|
[
{
"input": "2 7 10\n5 6",
"output": "1"
},
{
"input": "1 5 10\n7",
"output": "0"
},
{
"input": "3 10 10\n5 7 7",
"output": "1"
},
{
"input": "1 1 1\n1",
"output": "0"
},
{
"input": "2 951637 951638\n44069 951637",
"output": "1"
},
{
"input": "50 100 129\n55 130 91 19 116 3 63 52 104 76 75 27 151 99 149 147 39 148 84 9 132 49 40 112 124 141 144 93 36 32 146 74 48 38 150 55 94 32 107 69 77 81 33 57 62 98 78 127 154 126",
"output": "12"
},
{
"input": "100 1000 1083\n992 616 818 359 609 783 263 989 501 929 362 394 919 1081 870 830 1097 975 62 346 531 367 323 457 707 360 949 334 867 116 478 417 961 963 1029 114 867 1008 988 916 983 1077 959 942 572 961 579 318 721 337 488 717 111 70 416 685 987 130 353 107 61 191 827 849 106 815 211 953 111 398 889 860 801 71 375 320 395 1059 116 222 931 444 582 74 677 655 88 173 686 491 661 186 114 832 615 814 791 464 517 850",
"output": "36"
},
{
"input": "2 6 8\n2 1",
"output": "0"
},
{
"input": "5 15 16\n7 11 5 12 8",
"output": "2"
},
{
"input": "15 759966 759967\n890397 182209 878577 548548 759966 812923 759966 860479 200595 381358 299175 339368 759966 907668 69574",
"output": "4"
},
{
"input": "5 234613 716125\n642626 494941 234613 234613 234613",
"output": "0"
},
{
"input": "50 48547 567054\n529808 597004 242355 559114 78865 537318 631455 733020 655072 645093 309010 855034 306058 625046 524574 834944 27330 664392 443637 821584 338013 490702 289520 675471 885846 258814 134220 571301 84875 94132 200425 928833 375166 521232 317961 175315 947093 89971 322071 174033 48547 998535 954205 704114 943163 438900 48547 538422 48547 48547",
"output": "0"
},
{
"input": "5 10 20\n10 10 10 10 1",
"output": "1"
},
{
"input": "5 10 11\n10 10 10 10 1",
"output": "2"
},
{
"input": "3 10 10\n4 3 3",
"output": "0"
},
{
"input": "3 5 5\n5 5 5",
"output": "1"
},
{
"input": "3 4 14\n5 5 5",
"output": "0"
},
{
"input": "2 7 10\n1234 1234",
"output": "0"
},
{
"input": "1 5 6\n10",
"output": "0"
},
{
"input": "3 4 6\n1 2 3",
"output": "0"
},
{
"input": "5 10 12\n13 13 13 13 13",
"output": "0"
},
{
"input": "3 4 5\n5 7 9",
"output": "0"
},
{
"input": "3 10 100\n5 5 5",
"output": "0"
},
{
"input": "5 1 2\n2 2 2 2 2",
"output": "0"
},
{
"input": "5 5 5\n5 5 5 5 5",
"output": "2"
},
{
"input": "2 2 5\n5 5",
"output": "0"
},
{
"input": "3 1 4\n2 2 2",
"output": "0"
}
] | 1,632,042,231
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 5
| 124
| 14,233,600
|
n,b,d=map(int,input().split())
a=list(map(int,input().split()))
d1=0
k=0
for i in range(n):
if a[i]<b:
d1+=a[i]
if d1>d:
k+=1
d1=0
print(k)
|
Title: Juicer
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Kolya is going to make fresh orange juice. He has *n* oranges of sizes *a*1,<=*a*2,<=...,<=*a**n*. Kolya will put them in the juicer in the fixed order, starting with orange of size *a*1, then orange of size *a*2 and so on. To be put in the juicer the orange must have size not exceeding *b*, so if Kolya sees an orange that is strictly greater he throws it away and continues with the next one.
The juicer has a special section to collect waste. It overflows if Kolya squeezes oranges of the total size strictly greater than *d*. When it happens Kolya empties the waste section (even if there are no more oranges) and continues to squeeze the juice. How many times will he have to empty the waste section?
Input Specification:
The first line of the input contains three integers *n*, *b* and *d* (1<=≤<=*n*<=≤<=100<=000, 1<=≤<=*b*<=≤<=*d*<=≤<=1<=000<=000) — the number of oranges, the maximum size of the orange that fits in the juicer and the value *d*, which determines the condition when the waste section should be emptied.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=1<=000<=000) — sizes of the oranges listed in the order Kolya is going to try to put them in the juicer.
Output Specification:
Print one integer — the number of times Kolya will have to empty the waste section.
Demo Input:
['2 7 10\n5 6\n', '1 5 10\n7\n', '3 10 10\n5 7 7\n', '1 1 1\n1\n']
Demo Output:
['1\n', '0\n', '1\n', '0\n']
Note:
In the first sample, Kolya will squeeze the juice from two oranges and empty the waste section afterwards.
In the second sample, the orange won't fit in the juicer so Kolya will have no juice at all.
|
```python
n,b,d=map(int,input().split())
a=list(map(int,input().split()))
d1=0
k=0
for i in range(n):
if a[i]<b:
d1+=a[i]
if d1>d:
k+=1
d1=0
print(k)
```
| 0
|
|
915
|
A
|
Garden
|
PROGRAMMING
| 900
|
[
"implementation"
] | null | null |
Luba thinks about watering her garden. The garden can be represented as a segment of length *k*. Luba has got *n* buckets, the *i*-th bucket allows her to water some continuous subsegment of garden of length exactly *a**i* each hour. Luba can't water any parts of the garden that were already watered, also she can't water the ground outside the garden.
Luba has to choose one of the buckets in order to water the garden as fast as possible (as mentioned above, each hour she will water some continuous subsegment of length *a**i* if she chooses the *i*-th bucket). Help her to determine the minimum number of hours she has to spend watering the garden. It is guaranteed that Luba can always choose a bucket so it is possible water the garden.
See the examples for better understanding.
|
The first line of input contains two integer numbers *n* and *k* (1<=≤<=*n*,<=*k*<=≤<=100) — the number of buckets and the length of the garden, respectively.
The second line of input contains *n* integer numbers *a**i* (1<=≤<=*a**i*<=≤<=100) — the length of the segment that can be watered by the *i*-th bucket in one hour.
It is guaranteed that there is at least one bucket such that it is possible to water the garden in integer number of hours using only this bucket.
|
Print one integer number — the minimum number of hours required to water the garden.
|
[
"3 6\n2 3 5\n",
"6 7\n1 2 3 4 5 6\n"
] |
[
"2\n",
"7\n"
] |
In the first test the best option is to choose the bucket that allows to water the segment of length 3. We can't choose the bucket that allows to water the segment of length 5 because then we can't water the whole garden.
In the second test we can choose only the bucket that allows us to water the segment of length 1.
| 0
|
[
{
"input": "3 6\n2 3 5",
"output": "2"
},
{
"input": "6 7\n1 2 3 4 5 6",
"output": "7"
},
{
"input": "5 97\n1 10 50 97 2",
"output": "1"
},
{
"input": "5 97\n1 10 50 100 2",
"output": "97"
},
{
"input": "100 100\n2 46 24 18 86 90 31 38 84 49 58 28 15 80 14 24 87 56 62 87 41 87 55 71 87 32 41 56 91 32 24 75 43 42 35 30 72 53 31 26 54 61 87 85 36 75 44 31 7 38 77 57 61 54 70 77 45 96 39 57 11 8 91 42 52 15 42 30 92 41 27 26 34 27 3 80 32 86 26 97 63 91 30 75 14 7 19 23 45 11 8 43 44 73 11 56 3 55 63 16",
"output": "50"
},
{
"input": "100 91\n13 13 62 96 74 47 81 46 78 21 20 42 4 73 25 30 76 74 58 28 25 52 42 48 74 40 82 9 25 29 17 22 46 64 57 95 81 39 47 86 40 95 97 35 31 98 45 98 47 78 52 63 58 14 89 97 17 95 28 22 20 36 68 38 95 16 2 26 54 47 42 31 31 81 21 21 65 40 82 53 60 71 75 33 96 98 6 22 95 12 5 48 18 27 58 62 5 96 36 75",
"output": "7"
},
{
"input": "8 8\n8 7 6 5 4 3 2 1",
"output": "1"
},
{
"input": "3 8\n4 3 2",
"output": "2"
},
{
"input": "3 8\n2 4 2",
"output": "2"
},
{
"input": "3 6\n1 3 2",
"output": "2"
},
{
"input": "3 6\n3 2 5",
"output": "2"
},
{
"input": "3 8\n4 2 1",
"output": "2"
},
{
"input": "5 6\n2 3 5 1 2",
"output": "2"
},
{
"input": "2 6\n5 3",
"output": "2"
},
{
"input": "4 12\n6 4 3 1",
"output": "2"
},
{
"input": "3 18\n1 9 6",
"output": "2"
},
{
"input": "3 9\n3 2 1",
"output": "3"
},
{
"input": "3 6\n5 3 2",
"output": "2"
},
{
"input": "2 10\n5 2",
"output": "2"
},
{
"input": "2 18\n6 3",
"output": "3"
},
{
"input": "4 12\n1 2 12 3",
"output": "1"
},
{
"input": "3 7\n3 2 1",
"output": "7"
},
{
"input": "3 6\n3 2 1",
"output": "2"
},
{
"input": "5 10\n5 4 3 2 1",
"output": "2"
},
{
"input": "5 16\n8 4 2 1 7",
"output": "2"
},
{
"input": "6 7\n6 5 4 3 7 1",
"output": "1"
},
{
"input": "2 6\n3 2",
"output": "2"
},
{
"input": "2 4\n4 1",
"output": "1"
},
{
"input": "6 8\n2 4 1 3 5 7",
"output": "2"
},
{
"input": "6 8\n6 5 4 3 2 1",
"output": "2"
},
{
"input": "6 15\n5 2 3 6 4 3",
"output": "3"
},
{
"input": "4 8\n2 4 8 1",
"output": "1"
},
{
"input": "2 5\n5 1",
"output": "1"
},
{
"input": "4 18\n3 1 1 2",
"output": "6"
},
{
"input": "2 1\n2 1",
"output": "1"
},
{
"input": "3 10\n2 10 5",
"output": "1"
},
{
"input": "5 12\n12 4 4 4 3",
"output": "1"
},
{
"input": "3 6\n6 3 2",
"output": "1"
},
{
"input": "2 2\n2 1",
"output": "1"
},
{
"input": "3 18\n1 9 3",
"output": "2"
},
{
"input": "3 8\n7 2 4",
"output": "2"
},
{
"input": "2 100\n99 1",
"output": "100"
},
{
"input": "4 12\n1 3 4 2",
"output": "3"
},
{
"input": "3 6\n2 3 1",
"output": "2"
},
{
"input": "4 6\n3 2 5 12",
"output": "2"
},
{
"input": "4 97\n97 1 50 10",
"output": "1"
},
{
"input": "3 12\n1 12 2",
"output": "1"
},
{
"input": "4 12\n1 4 3 2",
"output": "3"
},
{
"input": "1 1\n1",
"output": "1"
},
{
"input": "3 19\n7 1 1",
"output": "19"
},
{
"input": "5 12\n12 4 3 4 4",
"output": "1"
},
{
"input": "3 8\n8 4 2",
"output": "1"
},
{
"input": "3 3\n3 2 1",
"output": "1"
},
{
"input": "5 6\n3 2 4 2 2",
"output": "2"
},
{
"input": "2 16\n8 4",
"output": "2"
},
{
"input": "3 6\n10 2 3",
"output": "2"
},
{
"input": "5 3\n2 4 5 3 6",
"output": "1"
},
{
"input": "11 99\n1 2 3 6 5 4 7 8 99 33 66",
"output": "1"
},
{
"input": "3 12\n3 12 2",
"output": "1"
},
{
"input": "5 25\n24 5 15 25 23",
"output": "1"
},
{
"input": "2 4\n8 1",
"output": "4"
},
{
"input": "4 100\n2 50 4 1",
"output": "2"
},
{
"input": "3 28\n7 14 1",
"output": "2"
},
{
"input": "4 8\n2 8 4 1",
"output": "1"
},
{
"input": "4 6\n6 1 2 3",
"output": "1"
},
{
"input": "2 12\n4 3",
"output": "3"
},
{
"input": "4 12\n1 2 4 3",
"output": "3"
},
{
"input": "5 12\n2 3 12 6 4",
"output": "1"
},
{
"input": "4 4\n1 2 2 4",
"output": "1"
},
{
"input": "3 6\n2 3 2",
"output": "2"
},
{
"input": "4 21\n21 20 21 2",
"output": "1"
},
{
"input": "3 8\n3 4 2",
"output": "2"
},
{
"input": "1 25\n25",
"output": "1"
},
{
"input": "99 12\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99",
"output": "1"
},
{
"input": "98 12\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98",
"output": "1"
},
{
"input": "79 12\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79",
"output": "1"
},
{
"input": "4 32\n1 1 1 1",
"output": "32"
},
{
"input": "1 100\n1",
"output": "100"
},
{
"input": "2 100\n7 1",
"output": "100"
},
{
"input": "7 24\n1 3 6 4 5 2 7",
"output": "4"
},
{
"input": "6 87\n1 2 8 4 5 7",
"output": "87"
},
{
"input": "1 88\n1",
"output": "88"
},
{
"input": "1 89\n1",
"output": "89"
}
] | 1,592,331,956
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 83
| 109
| 0
|
n, k = map(int, input().split())
a = list(map(int, input().split()))
cur = 0;
for i in range(n):
if (k % a[i] == 0 and a[i] > cur):
cur = a[i]
if (cur == 0):
print(k+1)
else:
print(k//cur)
|
Title: Garden
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Luba thinks about watering her garden. The garden can be represented as a segment of length *k*. Luba has got *n* buckets, the *i*-th bucket allows her to water some continuous subsegment of garden of length exactly *a**i* each hour. Luba can't water any parts of the garden that were already watered, also she can't water the ground outside the garden.
Luba has to choose one of the buckets in order to water the garden as fast as possible (as mentioned above, each hour she will water some continuous subsegment of length *a**i* if she chooses the *i*-th bucket). Help her to determine the minimum number of hours she has to spend watering the garden. It is guaranteed that Luba can always choose a bucket so it is possible water the garden.
See the examples for better understanding.
Input Specification:
The first line of input contains two integer numbers *n* and *k* (1<=≤<=*n*,<=*k*<=≤<=100) — the number of buckets and the length of the garden, respectively.
The second line of input contains *n* integer numbers *a**i* (1<=≤<=*a**i*<=≤<=100) — the length of the segment that can be watered by the *i*-th bucket in one hour.
It is guaranteed that there is at least one bucket such that it is possible to water the garden in integer number of hours using only this bucket.
Output Specification:
Print one integer number — the minimum number of hours required to water the garden.
Demo Input:
['3 6\n2 3 5\n', '6 7\n1 2 3 4 5 6\n']
Demo Output:
['2\n', '7\n']
Note:
In the first test the best option is to choose the bucket that allows to water the segment of length 3. We can't choose the bucket that allows to water the segment of length 5 because then we can't water the whole garden.
In the second test we can choose only the bucket that allows us to water the segment of length 1.
|
```python
n, k = map(int, input().split())
a = list(map(int, input().split()))
cur = 0;
for i in range(n):
if (k % a[i] == 0 and a[i] > cur):
cur = a[i]
if (cur == 0):
print(k+1)
else:
print(k//cur)
```
| 3
|
|
114
|
A
|
Cifera
|
PROGRAMMING
| 1,000
|
[
"math"
] | null | null |
When Petya went to school, he got interested in large numbers and what they were called in ancient times. For instance, he learned that the Russian word "tma" (which now means "too much to be counted") used to stand for a thousand and "tma tmyschaya" (which literally means "the tma of tmas") used to stand for a million.
Petya wanted to modernize the words we use for numbers and invented a word petricium that represents number *k*. Moreover, petricium la petricium stands for number *k*2, petricium la petricium la petricium stands for *k*3 and so on. All numbers of this form are called petriciumus cifera, and the number's importance is the number of articles la in its title.
Petya's invention brought on a challenge that needed to be solved quickly: does some number *l* belong to the set petriciumus cifera? As Petya is a very busy schoolboy he needs to automate the process, he asked you to solve it.
|
The first input line contains integer number *k*, the second line contains integer number *l* (2<=≤<=*k*,<=*l*<=≤<=231<=-<=1).
|
You should print in the first line of the output "YES", if the number belongs to the set petriciumus cifera and otherwise print "NO". If the number belongs to the set, then print on the seconds line the only number — the importance of number *l*.
|
[
"5\n25\n",
"3\n8\n"
] |
[
"YES\n1\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "5\n25",
"output": "YES\n1"
},
{
"input": "3\n8",
"output": "NO"
},
{
"input": "123\n123",
"output": "YES\n0"
},
{
"input": "99\n970300",
"output": "NO"
},
{
"input": "1000\n6666666",
"output": "NO"
},
{
"input": "59\n3571",
"output": "NO"
},
{
"input": "256\n16777217",
"output": "NO"
},
{
"input": "4638\n21511044",
"output": "YES\n1"
},
{
"input": "24\n191102976",
"output": "YES\n5"
},
{
"input": "52010\n557556453",
"output": "NO"
},
{
"input": "61703211\n1750753082",
"output": "NO"
},
{
"input": "137\n2571353",
"output": "YES\n2"
},
{
"input": "8758\n1746157336",
"output": "NO"
},
{
"input": "2\n64",
"output": "YES\n5"
},
{
"input": "96\n884736",
"output": "YES\n2"
},
{
"input": "1094841453\n1656354409",
"output": "NO"
},
{
"input": "1154413\n1229512809",
"output": "NO"
},
{
"input": "2442144\n505226241",
"output": "NO"
},
{
"input": "11548057\n1033418098",
"output": "NO"
},
{
"input": "581\n196122941",
"output": "YES\n2"
},
{
"input": "146\n1913781536",
"output": "NO"
},
{
"input": "945916\n1403881488",
"output": "NO"
},
{
"input": "68269\n365689065",
"output": "NO"
},
{
"input": "30\n900",
"output": "YES\n1"
},
{
"input": "6\n1296",
"output": "YES\n3"
},
{
"input": "1470193122\n1420950405",
"output": "NO"
},
{
"input": "90750\n1793111557",
"output": "NO"
},
{
"input": "1950054\n1664545956",
"output": "NO"
},
{
"input": "6767692\n123762320",
"output": "NO"
},
{
"input": "1437134\n1622348229",
"output": "NO"
},
{
"input": "444103\n1806462642",
"output": "NO"
},
{
"input": "2592\n6718464",
"output": "YES\n1"
},
{
"input": "50141\n366636234",
"output": "NO"
},
{
"input": "835\n582182875",
"output": "YES\n2"
},
{
"input": "156604\n902492689",
"output": "NO"
},
{
"input": "27385965\n1742270058",
"output": "NO"
},
{
"input": "3\n9",
"output": "YES\n1"
},
{
"input": "35\n1838265625",
"output": "YES\n5"
},
{
"input": "8\n4096",
"output": "YES\n3"
},
{
"input": "85955\n945811082",
"output": "NO"
},
{
"input": "54958832\n956670209",
"output": "NO"
},
{
"input": "1475381\n1348159738",
"output": "NO"
},
{
"input": "7313241\n413670642",
"output": "NO"
},
{
"input": "582470\n2116368165",
"output": "NO"
},
{
"input": "26859739\n595086170",
"output": "NO"
},
{
"input": "249766393\n1582130",
"output": "NO"
},
{
"input": "11734\n137686756",
"output": "YES\n1"
},
{
"input": "925093\n1098566745",
"output": "NO"
},
{
"input": "40\n1600",
"output": "YES\n1"
},
{
"input": "2147483647\n2147483647",
"output": "YES\n0"
},
{
"input": "2147483646\n2147483647",
"output": "NO"
},
{
"input": "2147483647\n2147483646",
"output": "NO"
},
{
"input": "2\n2147483647",
"output": "NO"
},
{
"input": "2\n1073741825",
"output": "NO"
},
{
"input": "2\n1073741824",
"output": "YES\n29"
},
{
"input": "10000\n10",
"output": "NO"
},
{
"input": "10\n10000",
"output": "YES\n3"
},
{
"input": "10\n2000000000",
"output": "NO"
},
{
"input": "10\n1000000000",
"output": "YES\n8"
},
{
"input": "5\n1808548329",
"output": "NO"
},
{
"input": "2\n2147483646",
"output": "NO"
},
{
"input": "25\n125",
"output": "NO"
},
{
"input": "6\n18",
"output": "NO"
},
{
"input": "5\n30",
"output": "NO"
}
] | 1,668,085,909
| 2,147,483,647
|
PyPy 3
|
WRONG_ANSWER
|
TESTS
| 0
| 154
| 0
|
k=int(input())
l=int(input())
imp=0
while(l%k==0):
l/=k
imp+=1
if imp>0 and l==1:
print("YES")
print(imp)
else:
print("NO")
|
Title: Cifera
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
When Petya went to school, he got interested in large numbers and what they were called in ancient times. For instance, he learned that the Russian word "tma" (which now means "too much to be counted") used to stand for a thousand and "tma tmyschaya" (which literally means "the tma of tmas") used to stand for a million.
Petya wanted to modernize the words we use for numbers and invented a word petricium that represents number *k*. Moreover, petricium la petricium stands for number *k*2, petricium la petricium la petricium stands for *k*3 and so on. All numbers of this form are called petriciumus cifera, and the number's importance is the number of articles la in its title.
Petya's invention brought on a challenge that needed to be solved quickly: does some number *l* belong to the set petriciumus cifera? As Petya is a very busy schoolboy he needs to automate the process, he asked you to solve it.
Input Specification:
The first input line contains integer number *k*, the second line contains integer number *l* (2<=≤<=*k*,<=*l*<=≤<=231<=-<=1).
Output Specification:
You should print in the first line of the output "YES", if the number belongs to the set petriciumus cifera and otherwise print "NO". If the number belongs to the set, then print on the seconds line the only number — the importance of number *l*.
Demo Input:
['5\n25\n', '3\n8\n']
Demo Output:
['YES\n1\n', 'NO\n']
Note:
none
|
```python
k=int(input())
l=int(input())
imp=0
while(l%k==0):
l/=k
imp+=1
if imp>0 and l==1:
print("YES")
print(imp)
else:
print("NO")
```
| 0
|
|
82
|
A
|
Double Cola
|
PROGRAMMING
| 1,100
|
[
"implementation",
"math"
] |
A. Double Cola
|
1
|
256
|
Sheldon, Leonard, Penny, Rajesh and Howard are in the queue for a "Double Cola" drink vending machine; there are no other people in the queue. The first one in the queue (Sheldon) buys a can, drinks it and doubles! The resulting two Sheldons go to the end of the queue. Then the next in the queue (Leonard) buys a can, drinks it and gets to the end of the queue as two Leonards, and so on. This process continues ad infinitum.
For example, Penny drinks the third can of cola and the queue will look like this: Rajesh, Howard, Sheldon, Sheldon, Leonard, Leonard, Penny, Penny.
Write a program that will print the name of a man who will drink the *n*-th can.
Note that in the very beginning the queue looks like that: Sheldon, Leonard, Penny, Rajesh, Howard. The first person is Sheldon.
|
The input data consist of a single integer *n* (1<=≤<=*n*<=≤<=109).
It is guaranteed that the pretests check the spelling of all the five names, that is, that they contain all the five possible answers.
|
Print the single line — the name of the person who drinks the *n*-th can of cola. The cans are numbered starting from 1. Please note that you should spell the names like this: "Sheldon", "Leonard", "Penny", "Rajesh", "Howard" (without the quotes). In that order precisely the friends are in the queue initially.
|
[
"1\n",
"6\n",
"1802\n"
] |
[
"Sheldon\n",
"Sheldon\n",
"Penny\n"
] |
none
| 500
|
[
{
"input": "1",
"output": "Sheldon"
},
{
"input": "6",
"output": "Sheldon"
},
{
"input": "1802",
"output": "Penny"
},
{
"input": "1",
"output": "Sheldon"
},
{
"input": "2",
"output": "Leonard"
},
{
"input": "3",
"output": "Penny"
},
{
"input": "4",
"output": "Rajesh"
},
{
"input": "5",
"output": "Howard"
},
{
"input": "10",
"output": "Penny"
},
{
"input": "534",
"output": "Rajesh"
},
{
"input": "5033",
"output": "Howard"
},
{
"input": "10010",
"output": "Howard"
},
{
"input": "500000000",
"output": "Penny"
},
{
"input": "63",
"output": "Rajesh"
},
{
"input": "841",
"output": "Leonard"
},
{
"input": "3667",
"output": "Penny"
},
{
"input": "38614",
"output": "Howard"
},
{
"input": "282798",
"output": "Rajesh"
},
{
"input": "9266286",
"output": "Rajesh"
},
{
"input": "27385966",
"output": "Leonard"
},
{
"input": "121580142",
"output": "Penny"
},
{
"input": "5",
"output": "Howard"
},
{
"input": "300",
"output": "Howard"
},
{
"input": "1745",
"output": "Leonard"
},
{
"input": "8302",
"output": "Rajesh"
},
{
"input": "184518",
"output": "Sheldon"
},
{
"input": "1154414",
"output": "Rajesh"
},
{
"input": "28643950",
"output": "Leonard"
},
{
"input": "159222638",
"output": "Howard"
},
{
"input": "24",
"output": "Penny"
},
{
"input": "505",
"output": "Penny"
},
{
"input": "4425",
"output": "Rajesh"
},
{
"input": "12079",
"output": "Sheldon"
},
{
"input": "469726",
"output": "Penny"
},
{
"input": "3961838",
"output": "Penny"
},
{
"input": "57710446",
"output": "Leonard"
},
{
"input": "80719470",
"output": "Howard"
},
{
"input": "1000000000",
"output": "Penny"
},
{
"input": "999999999",
"output": "Penny"
},
{
"input": "999999998",
"output": "Penny"
},
{
"input": "5",
"output": "Howard"
}
] | 1,554,604,042
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 41
| 124
| 0
|
def f(v):
if v <= 5:
return v
else:
return f((v - 4) // 2)
print(["Sheldon", "Leonard", "Penny", "Rajesh", "Howard"][f(int(input())) - 1])
|
Title: Double Cola
Time Limit: 1 seconds
Memory Limit: 256 megabytes
Problem Description:
Sheldon, Leonard, Penny, Rajesh and Howard are in the queue for a "Double Cola" drink vending machine; there are no other people in the queue. The first one in the queue (Sheldon) buys a can, drinks it and doubles! The resulting two Sheldons go to the end of the queue. Then the next in the queue (Leonard) buys a can, drinks it and gets to the end of the queue as two Leonards, and so on. This process continues ad infinitum.
For example, Penny drinks the third can of cola and the queue will look like this: Rajesh, Howard, Sheldon, Sheldon, Leonard, Leonard, Penny, Penny.
Write a program that will print the name of a man who will drink the *n*-th can.
Note that in the very beginning the queue looks like that: Sheldon, Leonard, Penny, Rajesh, Howard. The first person is Sheldon.
Input Specification:
The input data consist of a single integer *n* (1<=≤<=*n*<=≤<=109).
It is guaranteed that the pretests check the spelling of all the five names, that is, that they contain all the five possible answers.
Output Specification:
Print the single line — the name of the person who drinks the *n*-th can of cola. The cans are numbered starting from 1. Please note that you should spell the names like this: "Sheldon", "Leonard", "Penny", "Rajesh", "Howard" (without the quotes). In that order precisely the friends are in the queue initially.
Demo Input:
['1\n', '6\n', '1802\n']
Demo Output:
['Sheldon\n', 'Sheldon\n', 'Penny\n']
Note:
none
|
```python
def f(v):
if v <= 5:
return v
else:
return f((v - 4) // 2)
print(["Sheldon", "Leonard", "Penny", "Rajesh", "Howard"][f(int(input())) - 1])
```
| 3.938
|
58
|
A
|
Chat room
|
PROGRAMMING
| 1,000
|
[
"greedy",
"strings"
] |
A. Chat room
|
1
|
256
|
Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to everybody. Vasya typed the word *s*. It is considered that Vasya managed to say hello if several letters can be deleted from the typed word so that it resulted in the word "hello". For example, if Vasya types the word "ahhellllloou", it will be considered that he said hello, and if he types "hlelo", it will be considered that Vasya got misunderstood and he didn't manage to say hello. Determine whether Vasya managed to say hello by the given word *s*.
|
The first and only line contains the word *s*, which Vasya typed. This word consisits of small Latin letters, its length is no less that 1 and no more than 100 letters.
|
If Vasya managed to say hello, print "YES", otherwise print "NO".
|
[
"ahhellllloou\n",
"hlelo\n"
] |
[
"YES\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "ahhellllloou",
"output": "YES"
},
{
"input": "hlelo",
"output": "NO"
},
{
"input": "helhcludoo",
"output": "YES"
},
{
"input": "hehwelloho",
"output": "YES"
},
{
"input": "pnnepelqomhhheollvlo",
"output": "YES"
},
{
"input": "tymbzjyqhymedasloqbq",
"output": "NO"
},
{
"input": "yehluhlkwo",
"output": "NO"
},
{
"input": "hatlevhhalrohairnolsvocafgueelrqmlqlleello",
"output": "YES"
},
{
"input": "hhhtehdbllnhwmbyhvelqqyoulretpbfokflhlhreeflxeftelziclrwllrpflflbdtotvlqgoaoqldlroovbfsq",
"output": "YES"
},
{
"input": "rzlvihhghnelqtwlexmvdjjrliqllolhyewgozkuovaiezgcilelqapuoeglnwmnlftxxiigzczlouooi",
"output": "YES"
},
{
"input": "pfhhwctyqdlkrwhebfqfelhyebwllhemtrmeblgrynmvyhioesqklclocxmlffuormljszllpoo",
"output": "YES"
},
{
"input": "lqllcolohwflhfhlnaow",
"output": "NO"
},
{
"input": "heheeellollvoo",
"output": "YES"
},
{
"input": "hellooo",
"output": "YES"
},
{
"input": "o",
"output": "NO"
},
{
"input": "hhqhzeclohlehljlhtesllylrolmomvuhcxsobtsckogdv",
"output": "YES"
},
{
"input": "yoegfuzhqsihygnhpnukluutocvvwuldiighpogsifealtgkfzqbwtmgghmythcxflebrkctlldlkzlagovwlstsghbouk",
"output": "YES"
},
{
"input": "uatqtgbvrnywfacwursctpagasnhydvmlinrcnqrry",
"output": "NO"
},
{
"input": "tndtbldbllnrwmbyhvqaqqyoudrstpbfokfoclnraefuxtftmgzicorwisrpfnfpbdtatvwqgyalqtdtrjqvbfsq",
"output": "NO"
},
{
"input": "rzlvirhgemelnzdawzpaoqtxmqucnahvqnwldklrmjiiyageraijfivigvozgwngiulttxxgzczptusoi",
"output": "YES"
},
{
"input": "kgyelmchocojsnaqdsyeqgnllytbqietpdlgknwwumqkxrexgdcnwoldicwzwofpmuesjuxzrasscvyuqwspm",
"output": "YES"
},
{
"input": "pnyvrcotjvgynbeldnxieghfltmexttuxzyac",
"output": "NO"
},
{
"input": "dtwhbqoumejligbenxvzhjlhosqojetcqsynlzyhfaevbdpekgbtjrbhlltbceobcok",
"output": "YES"
},
{
"input": "crrfpfftjwhhikwzeedrlwzblckkteseofjuxjrktcjfsylmlsvogvrcxbxtffujqshslemnixoeezivksouefeqlhhokwbqjz",
"output": "YES"
},
{
"input": "jhfbndhyzdvhbvhmhmefqllujdflwdpjbehedlsqfdsqlyelwjtyloxwsvasrbqosblzbowlqjmyeilcvotdlaouxhdpoeloaovb",
"output": "YES"
},
{
"input": "hwlghueoemiqtjhhpashjsouyegdlvoyzeunlroypoprnhlyiwiuxrghekaylndhrhllllwhbebezoglydcvykllotrlaqtvmlla",
"output": "YES"
},
{
"input": "wshiaunnqnqxodholbipwhhjmyeblhgpeleblklpzwhdunmpqkbuzloetmwwxmeltkrcomulxauzlwmlklldjodozxryghsnwgcz",
"output": "YES"
},
{
"input": "shvksednttggehroewuiptvvxtrzgidravtnjwuqrlnnkxbplctzkckinpkgjopjfoxdbojtcvsuvablcbkrzajrlhgobkcxeqti",
"output": "YES"
},
{
"input": "hyyhddqhxhekehkwfhlnlsihzefwchzerevcjtokefplholrbvxlltdlafjxrfhleglrvlolojoqaolagtbeyogxlbgfolllslli",
"output": "YES"
},
{
"input": "iaagrdhhelxpdegueiulflquvlzidoprzkehthkldaytrjwhyhprwjxlltinxvuilxohqgjqcvkkdcuoliekcnlilwgqlnlzouoo",
"output": "YES"
},
{
"input": "wfluaeseldgxyvxpwuhkptdmlflnlhktwxiabsvkolsquymrmhzczzoybvlilhmvsuunggvgxzgyyffk",
"output": "NO"
},
{
"input": "loee",
"output": "NO"
},
{
"input": "izdipwylefqmjbuoznfglgcfvedeouflkeehxbasaqmiooppfsqlhprospqgxvzrcpwlfdddngoqvpwvggsnvvxhmjoslwjudjlo",
"output": "NO"
},
{
"input": "pplynflbjlseflaegzqpdxswgunhnlglqhycrbcwdfhclmcrwekkzsoosmfblljeenwfjyifcvxihhhbyhmhlkvtskeglaovjnsi",
"output": "YES"
},
{
"input": "xqjqmenkodmlhzyzmmvofdngktygbbxbzpluzcohohmalkoeuwfikblltaaigv",
"output": "NO"
},
{
"input": "hello",
"output": "YES"
},
{
"input": "oohell",
"output": "NO"
},
{
"input": "hell",
"output": "NO"
},
{
"input": "eloellohoelo",
"output": "NO"
},
{
"input": "helllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllo",
"output": "YES"
}
] | 1,647,476,921
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 46
| 409,600
|
import re
print("YES") if re.match(r"h.*e.*l.*l.*o",input()) else print("NO")
|
Title: Chat room
Time Limit: 1 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to everybody. Vasya typed the word *s*. It is considered that Vasya managed to say hello if several letters can be deleted from the typed word so that it resulted in the word "hello". For example, if Vasya types the word "ahhellllloou", it will be considered that he said hello, and if he types "hlelo", it will be considered that Vasya got misunderstood and he didn't manage to say hello. Determine whether Vasya managed to say hello by the given word *s*.
Input Specification:
The first and only line contains the word *s*, which Vasya typed. This word consisits of small Latin letters, its length is no less that 1 and no more than 100 letters.
Output Specification:
If Vasya managed to say hello, print "YES", otherwise print "NO".
Demo Input:
['ahhellllloou\n', 'hlelo\n']
Demo Output:
['YES\n', 'NO\n']
Note:
none
|
```python
import re
print("YES") if re.match(r"h.*e.*l.*l.*o",input()) else print("NO")
```
| 0
|
262
|
A
|
Roma and Lucky Numbers
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
Roma (a popular Russian name that means 'Roman') loves the Little Lvov Elephant's lucky numbers.
Let us remind you that lucky numbers are positive integers whose decimal representation only contains lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Roma's got *n* positive integers. He wonders, how many of those integers have not more than *k* lucky digits? Help him, write the program that solves the problem.
|
The first line contains two integers *n*, *k* (1<=≤<=*n*,<=*k*<=≤<=100). The second line contains *n* integers *a**i* (1<=≤<=*a**i*<=≤<=109) — the numbers that Roma has.
The numbers in the lines are separated by single spaces.
|
In a single line print a single integer — the answer to the problem.
|
[
"3 4\n1 2 4\n",
"3 2\n447 44 77\n"
] |
[
"3\n",
"2\n"
] |
In the first sample all numbers contain at most four lucky digits, so the answer is 3.
In the second sample number 447 doesn't fit in, as it contains more than two lucky digits. All other numbers are fine, so the answer is 2.
| 500
|
[
{
"input": "3 4\n1 2 4",
"output": "3"
},
{
"input": "3 2\n447 44 77",
"output": "2"
},
{
"input": "2 2\n507978501 180480073",
"output": "2"
},
{
"input": "9 6\n655243746 167613748 1470546 57644035 176077477 56984809 44677 215706823 369042089",
"output": "9"
},
{
"input": "6 100\n170427799 37215529 675016434 168544291 683447134 950090227",
"output": "6"
},
{
"input": "4 2\n194041605 706221269 69909135 257655784",
"output": "3"
},
{
"input": "4 2\n9581849 67346651 530497 272158241",
"output": "4"
},
{
"input": "3 47\n378261451 163985731 230342101",
"output": "3"
},
{
"input": "2 3\n247776868 480572137",
"output": "1"
},
{
"input": "7 77\n366496749 549646417 278840199 119255907 33557677 379268590 150378796",
"output": "7"
},
{
"input": "40 31\n32230963 709031779 144328646 513494529 36547831 416998222 84161665 318773941 170724397 553666286 368402971 48581613 31452501 368026285 47903381 939151438 204145360 189920160 288159400 133145006 314295423 450219949 160203213 358403181 478734385 29331901 31051111 110710191 567314089 139695685 111511396 87708701 317333277 103301481 110400517 634446253 481551313 39202255 105948 738066085",
"output": "40"
},
{
"input": "1 8\n55521105",
"output": "1"
},
{
"input": "49 3\n34644511 150953622 136135827 144208961 359490601 86708232 719413689 188605873 64330753 488776302 104482891 63360106 437791390 46521319 70778345 339141601 136198441 292941209 299339510 582531183 555958105 437904637 74219097 439816011 236010407 122674666 438442529 186501223 63932449 407678041 596993853 92223251 849265278 480265849 30983497 330283357 186901672 20271344 794252593 123774176 27851201 52717531 479907210 196833889 149331196 82147847 255966471 278600081 899317843",
"output": "44"
},
{
"input": "26 2\n330381357 185218042 850474297 483015466 296129476 1205865 538807493 103205601 160403321 694220263 416255901 7245756 507755361 88187633 91426751 1917161 58276681 59540376 576539745 595950717 390256887 105690055 607818885 28976353 488947089 50643601",
"output": "22"
},
{
"input": "38 1\n194481717 126247087 815196361 106258801 381703249 283859137 15290101 40086151 213688513 577996947 513899717 371428417 107799271 11136651 5615081 323386401 381128815 34217126 17709913 520702093 201694245 570931849 169037023 417019726 282437316 7417126 271667553 11375851 185087449 410130883 383045677 5764771 905017051 328584026 215330671 299553233 15838255 234532105",
"output": "20"
},
{
"input": "44 9\n683216389 250581469 130029957 467020047 188395565 206237982 63257361 68314981 732878407 563579660 199133851 53045209 665723851 16273169 10806790 556633156 350593410 474645249 478790761 708234243 71841230 18090541 19836685 146373571 17947452 534010506 46933264 377035021 311636557 75193963 54321761 12759959 71120181 548816939 23608621 31876417 107672995 72575155 369667956 20574379 210596751 532163173 75726739 853719629",
"output": "44"
},
{
"input": "8 6\n204157376 10514197 65483881 347219841 263304577 296402721 11739011 229776191",
"output": "8"
},
{
"input": "38 29\n333702889 680931737 61137217 203030505 68728281 11414209 642645708 590904616 3042901 607198177 189041074 700764043 813035201 198341461 126403544 401436841 420826465 45046581 20249976 46978855 46397957 706610773 24701041 57954481 51603266 593109701 385569073 178982291 582152863 287317968 1474090 34825141 432421977 130257781 151516903 540852403 548392 117246529",
"output": "38"
},
{
"input": "19 3\n562569697 549131571 50676718 84501863 74567295 702372009 365895280 451459937 40378543 167666701 158635641 53639293 442332661 825055617 100109161 326616021 862332843 533271196 4791547",
"output": "18"
},
{
"input": "1 1\n44",
"output": "0"
},
{
"input": "1 1\n4",
"output": "1"
},
{
"input": "10 3\n444 447 774 777 7777 4447 4 7 7 4",
"output": "8"
}
] | 1,679,254,149
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 2
| 124
| 0
|
def makeList (input):
strList= list(input.split(" "))
intList = [int(x) for x in strList]
return intList
inpt1 = input()
inpt2 = input()
list1 = makeList(inpt1)
list2 = makeList(inpt2)
flag = list1[0]
for i in list2:
count=0
while i>0:
count+=1
i=i//10
if count>list1[1]:
flag -=1
print(flag)
|
Title: Roma and Lucky Numbers
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Roma (a popular Russian name that means 'Roman') loves the Little Lvov Elephant's lucky numbers.
Let us remind you that lucky numbers are positive integers whose decimal representation only contains lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Roma's got *n* positive integers. He wonders, how many of those integers have not more than *k* lucky digits? Help him, write the program that solves the problem.
Input Specification:
The first line contains two integers *n*, *k* (1<=≤<=*n*,<=*k*<=≤<=100). The second line contains *n* integers *a**i* (1<=≤<=*a**i*<=≤<=109) — the numbers that Roma has.
The numbers in the lines are separated by single spaces.
Output Specification:
In a single line print a single integer — the answer to the problem.
Demo Input:
['3 4\n1 2 4\n', '3 2\n447 44 77\n']
Demo Output:
['3\n', '2\n']
Note:
In the first sample all numbers contain at most four lucky digits, so the answer is 3.
In the second sample number 447 doesn't fit in, as it contains more than two lucky digits. All other numbers are fine, so the answer is 2.
|
```python
def makeList (input):
strList= list(input.split(" "))
intList = [int(x) for x in strList]
return intList
inpt1 = input()
inpt2 = input()
list1 = makeList(inpt1)
list2 = makeList(inpt2)
flag = list1[0]
for i in list2:
count=0
while i>0:
count+=1
i=i//10
if count>list1[1]:
flag -=1
print(flag)
```
| 0
|
|
922
|
D
|
Robot Vacuum Cleaner
|
PROGRAMMING
| 1,800
|
[
"greedy",
"sortings"
] | null | null |
Pushok the dog has been chasing Imp for a few hours already.
Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner.
While moving, the robot generates a string *t* consisting of letters 's' and 'h', that produces a lot of noise. We define noise of string *t* as the number of occurrences of string "sh" as a subsequence in it, in other words, the number of such pairs (*i*,<=*j*), that *i*<=<<=*j* and and .
The robot is off at the moment. Imp knows that it has a sequence of strings *t**i* in its memory, and he can arbitrary change their order. When the robot is started, it generates the string *t* as a concatenation of these strings in the given order. The noise of the resulting string equals the noise of this concatenation.
Help Imp to find the maximum noise he can achieve by changing the order of the strings.
|
The first line contains a single integer *n* (1<=≤<=*n*<=≤<=105) — the number of strings in robot's memory.
Next *n* lines contain the strings *t*1,<=*t*2,<=...,<=*t**n*, one per line. It is guaranteed that the strings are non-empty, contain only English letters 's' and 'h' and their total length does not exceed 105.
|
Print a single integer — the maxumum possible noise Imp can achieve by changing the order of the strings.
|
[
"4\nssh\nhs\ns\nhhhs\n",
"2\nh\ns\n"
] |
[
"18\n",
"1\n"
] |
The optimal concatenation in the first sample is *ssshhshhhs*.
| 1,500
|
[
{
"input": "4\nssh\nhs\ns\nhhhs",
"output": "18"
},
{
"input": "2\nh\ns",
"output": "1"
},
{
"input": "6\nh\ns\nhhh\nh\nssssss\ns",
"output": "40"
},
{
"input": "1\ns",
"output": "0"
},
{
"input": "10\nsshshss\nhssssssssh\nhhhhhh\nhhhs\nhshhh\nhhhhshsh\nhh\nh\nshs\nsshhshhss",
"output": "613"
},
{
"input": "100\nh\nshh\nh\nhs\nshh\nhh\nh\nssh\nhss\nh\nhh\nh\nh\nh\nh\nh\nh\nh\nh\nh\nhh\nh\nh\nh\nh\nhhh\nh\nh\nhhh\nsh\nhh\nhs\nh\nh\nshs\nh\nh\nh\nshh\nhs\nhs\nh\nh\nh\nhhh\nh\nhhs\nhh\nh\nssh\nh\nh\nhh\nsh\nh\nhss\nh\nhh\nsh\nhh\nhh\nhhh\nhs\nh\nh\nh\nshs\nhs\nshs\nsh\nh\nh\nhs\nh\nh\nh\nh\nsh\nssh\nh\nh\nhh\nhhh\nssh\nh\nssh\nhs\nhh\nh\nhss\nhhh\nh\nhhh\nhss\nhhh\nh\nhhh\nsh\nh\nh",
"output": "5058"
}
] | 1,666,420,730
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 3
| 46
| 0
|
n = int(input())
a = []
for i in range(n):
x = input()
s, h = 0, 0
for c in x:
if c == 's':
s += 1
else:
h += 1
a.append([s-h, -s, x])
a.sort(reverse=True)
b = []
for sc, ss, st in a:
b.append(st)
word = ''.join(b)
#print(a)
allh = word.count('h')
score = 0
for c in word:
if c == 's':
score += allh
else:
allh -= 1
print(score)
|
Title: Robot Vacuum Cleaner
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Pushok the dog has been chasing Imp for a few hours already.
Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner.
While moving, the robot generates a string *t* consisting of letters 's' and 'h', that produces a lot of noise. We define noise of string *t* as the number of occurrences of string "sh" as a subsequence in it, in other words, the number of such pairs (*i*,<=*j*), that *i*<=<<=*j* and and .
The robot is off at the moment. Imp knows that it has a sequence of strings *t**i* in its memory, and he can arbitrary change their order. When the robot is started, it generates the string *t* as a concatenation of these strings in the given order. The noise of the resulting string equals the noise of this concatenation.
Help Imp to find the maximum noise he can achieve by changing the order of the strings.
Input Specification:
The first line contains a single integer *n* (1<=≤<=*n*<=≤<=105) — the number of strings in robot's memory.
Next *n* lines contain the strings *t*1,<=*t*2,<=...,<=*t**n*, one per line. It is guaranteed that the strings are non-empty, contain only English letters 's' and 'h' and their total length does not exceed 105.
Output Specification:
Print a single integer — the maxumum possible noise Imp can achieve by changing the order of the strings.
Demo Input:
['4\nssh\nhs\ns\nhhhs\n', '2\nh\ns\n']
Demo Output:
['18\n', '1\n']
Note:
The optimal concatenation in the first sample is *ssshhshhhs*.
|
```python
n = int(input())
a = []
for i in range(n):
x = input()
s, h = 0, 0
for c in x:
if c == 's':
s += 1
else:
h += 1
a.append([s-h, -s, x])
a.sort(reverse=True)
b = []
for sc, ss, st in a:
b.append(st)
word = ''.join(b)
#print(a)
allh = word.count('h')
score = 0
for c in word:
if c == 's':
score += allh
else:
allh -= 1
print(score)
```
| 0
|
|
805
|
A
|
Fake NP
|
PROGRAMMING
| 1,000
|
[
"greedy",
"math"
] | null | null |
Tavak and Seyyed are good friends. Seyyed is very funny and he told Tavak to solve the following problem instead of longest-path.
You are given *l* and *r*. For all integers from *l* to *r*, inclusive, we wrote down all of their integer divisors except 1. Find the integer that we wrote down the maximum number of times.
Solve the problem to show that it's not a NP problem.
|
The first line contains two integers *l* and *r* (2<=≤<=*l*<=≤<=*r*<=≤<=109).
|
Print single integer, the integer that appears maximum number of times in the divisors.
If there are multiple answers, print any of them.
|
[
"19 29\n",
"3 6\n"
] |
[
"2\n",
"3\n"
] |
Definition of a divisor: [https://www.mathsisfun.com/definitions/divisor-of-an-integer-.html](https://www.mathsisfun.com/definitions/divisor-of-an-integer-.html)
The first example: from 19 to 29 these numbers are divisible by 2: {20, 22, 24, 26, 28}.
The second example: from 3 to 6 these numbers are divisible by 3: {3, 6}.
| 500
|
[
{
"input": "19 29",
"output": "2"
},
{
"input": "3 6",
"output": "2"
},
{
"input": "39 91",
"output": "2"
},
{
"input": "76 134",
"output": "2"
},
{
"input": "93 95",
"output": "2"
},
{
"input": "17 35",
"output": "2"
},
{
"input": "94 95",
"output": "2"
},
{
"input": "51 52",
"output": "2"
},
{
"input": "47 52",
"output": "2"
},
{
"input": "38 98",
"output": "2"
},
{
"input": "30 37",
"output": "2"
},
{
"input": "56 92",
"output": "2"
},
{
"input": "900000000 1000000000",
"output": "2"
},
{
"input": "37622224 162971117",
"output": "2"
},
{
"input": "760632746 850720703",
"output": "2"
},
{
"input": "908580370 968054552",
"output": "2"
},
{
"input": "951594860 953554446",
"output": "2"
},
{
"input": "347877978 913527175",
"output": "2"
},
{
"input": "620769961 988145114",
"output": "2"
},
{
"input": "820844234 892579936",
"output": "2"
},
{
"input": "741254764 741254768",
"output": "2"
},
{
"input": "80270976 80270977",
"output": "2"
},
{
"input": "392602363 392602367",
"output": "2"
},
{
"input": "519002744 519002744",
"output": "519002744"
},
{
"input": "331900277 331900277",
"output": "331900277"
},
{
"input": "419873015 419873018",
"output": "2"
},
{
"input": "349533413 349533413",
"output": "349533413"
},
{
"input": "28829775 28829776",
"output": "2"
},
{
"input": "568814539 568814539",
"output": "568814539"
},
{
"input": "720270740 720270743",
"output": "2"
},
{
"input": "871232720 871232722",
"output": "2"
},
{
"input": "305693653 305693653",
"output": "305693653"
},
{
"input": "634097178 634097179",
"output": "2"
},
{
"input": "450868287 450868290",
"output": "2"
},
{
"input": "252662256 252662260",
"output": "2"
},
{
"input": "575062045 575062049",
"output": "2"
},
{
"input": "273072892 273072894",
"output": "2"
},
{
"input": "770439256 770439256",
"output": "770439256"
},
{
"input": "2 1000000000",
"output": "2"
},
{
"input": "6 8",
"output": "2"
},
{
"input": "2 879190747",
"output": "2"
},
{
"input": "5 5",
"output": "5"
},
{
"input": "999999937 999999937",
"output": "999999937"
},
{
"input": "3 3",
"output": "3"
},
{
"input": "5 100",
"output": "2"
},
{
"input": "2 2",
"output": "2"
},
{
"input": "3 18",
"output": "2"
},
{
"input": "7 7",
"output": "7"
},
{
"input": "39916801 39916801",
"output": "39916801"
},
{
"input": "3 8",
"output": "2"
},
{
"input": "13 13",
"output": "13"
},
{
"input": "4 8",
"output": "2"
},
{
"input": "3 12",
"output": "2"
},
{
"input": "6 12",
"output": "2"
},
{
"input": "999999103 999999103",
"output": "999999103"
},
{
"input": "100000007 100000007",
"output": "100000007"
},
{
"input": "3 99",
"output": "2"
},
{
"input": "999999733 999999733",
"output": "999999733"
},
{
"input": "5 10",
"output": "2"
},
{
"input": "982451653 982451653",
"output": "982451653"
},
{
"input": "999900001 1000000000",
"output": "2"
},
{
"input": "999727999 999727999",
"output": "999727999"
},
{
"input": "2 999999999",
"output": "2"
},
{
"input": "242 244",
"output": "2"
},
{
"input": "3 10",
"output": "2"
},
{
"input": "15 27",
"output": "2"
},
{
"input": "998244353 998244353",
"output": "998244353"
},
{
"input": "5 15",
"output": "2"
},
{
"input": "999999797 999999797",
"output": "999999797"
},
{
"input": "2 3",
"output": "2"
},
{
"input": "999999929 999999929",
"output": "999999929"
},
{
"input": "3 111111",
"output": "2"
},
{
"input": "12 18",
"output": "2"
},
{
"input": "479001599 479001599",
"output": "479001599"
},
{
"input": "10000019 10000019",
"output": "10000019"
},
{
"input": "715827883 715827883",
"output": "715827883"
},
{
"input": "999992977 999992977",
"output": "999992977"
},
{
"input": "11 11",
"output": "11"
},
{
"input": "29 29",
"output": "29"
},
{
"input": "1000003 1000003",
"output": "1000003"
},
{
"input": "6 15",
"output": "2"
},
{
"input": "1200007 1200007",
"output": "1200007"
},
{
"input": "3 1000000000",
"output": "2"
},
{
"input": "990000023 990000023",
"output": "990000023"
},
{
"input": "1717 1717",
"output": "1717"
},
{
"input": "141650963 141650963",
"output": "141650963"
},
{
"input": "1002523 1002523",
"output": "1002523"
},
{
"input": "900000011 900000011",
"output": "900000011"
},
{
"input": "104729 104729",
"output": "104729"
},
{
"input": "4 12",
"output": "2"
},
{
"input": "100003 100003",
"output": "100003"
},
{
"input": "17 17",
"output": "17"
},
{
"input": "10 100",
"output": "2"
}
] | 1,620,205,002
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 24
| 62
| 0
|
'''
t = int(input())
while t > 0:
n = int(input())
l = list(map(int,input().split()))
t -= 1
'''
l, r = map(int,input().split())
print(2)
|
Title: Fake NP
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Tavak and Seyyed are good friends. Seyyed is very funny and he told Tavak to solve the following problem instead of longest-path.
You are given *l* and *r*. For all integers from *l* to *r*, inclusive, we wrote down all of their integer divisors except 1. Find the integer that we wrote down the maximum number of times.
Solve the problem to show that it's not a NP problem.
Input Specification:
The first line contains two integers *l* and *r* (2<=≤<=*l*<=≤<=*r*<=≤<=109).
Output Specification:
Print single integer, the integer that appears maximum number of times in the divisors.
If there are multiple answers, print any of them.
Demo Input:
['19 29\n', '3 6\n']
Demo Output:
['2\n', '3\n']
Note:
Definition of a divisor: [https://www.mathsisfun.com/definitions/divisor-of-an-integer-.html](https://www.mathsisfun.com/definitions/divisor-of-an-integer-.html)
The first example: from 19 to 29 these numbers are divisible by 2: {20, 22, 24, 26, 28}.
The second example: from 3 to 6 these numbers are divisible by 3: {3, 6}.
|
```python
'''
t = int(input())
while t > 0:
n = int(input())
l = list(map(int,input().split()))
t -= 1
'''
l, r = map(int,input().split())
print(2)
```
| 0
|
|
41
|
A
|
Translation
|
PROGRAMMING
| 800
|
[
"implementation",
"strings"
] |
A. Translation
|
2
|
256
|
The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) reversely. For example, a Berlandish word code corresponds to a Birlandish word edoc. However, it's easy to make a mistake during the «translation». Vasya translated word *s* from Berlandish into Birlandish as *t*. Help him: find out if he translated the word correctly.
|
The first line contains word *s*, the second line contains word *t*. The words consist of lowercase Latin letters. The input data do not consist unnecessary spaces. The words are not empty and their lengths do not exceed 100 symbols.
|
If the word *t* is a word *s*, written reversely, print YES, otherwise print NO.
|
[
"code\nedoc\n",
"abb\naba\n",
"code\ncode\n"
] |
[
"YES\n",
"NO\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "code\nedoc",
"output": "YES"
},
{
"input": "abb\naba",
"output": "NO"
},
{
"input": "code\ncode",
"output": "NO"
},
{
"input": "abacaba\nabacaba",
"output": "YES"
},
{
"input": "q\nq",
"output": "YES"
},
{
"input": "asrgdfngfnmfgnhweratgjkk\nasrgdfngfnmfgnhweratgjkk",
"output": "NO"
},
{
"input": "z\na",
"output": "NO"
},
{
"input": "asd\ndsa",
"output": "YES"
},
{
"input": "abcdef\nfecdba",
"output": "NO"
},
{
"input": "ywjjbirapvskozubvxoemscfwl\ngnduubaogtfaiowjizlvjcu",
"output": "NO"
},
{
"input": "mfrmqxtzvgaeuleubcmcxcfqyruwzenguhgrmkuhdgnhgtgkdszwqyd\nmfxufheiperjnhyczclkmzyhcxntdfskzkzdwzzujdinf",
"output": "NO"
},
{
"input": "bnbnemvybqizywlnghlykniaxxxlkhftppbdeqpesrtgkcpoeqowjwhrylpsziiwcldodcoonpimudvrxejjo\ntiynnekmlalogyvrgptbinkoqdwzuiyjlrldxhzjmmp",
"output": "NO"
},
{
"input": "pwlpubwyhzqvcitemnhvvwkmwcaawjvdiwtoxyhbhbxerlypelevasmelpfqwjk\nstruuzebbcenziscuoecywugxncdwzyfozhljjyizpqcgkyonyetarcpwkqhuugsqjuixsxptmbnlfupdcfigacdhhrzb",
"output": "NO"
},
{
"input": "gdvqjoyxnkypfvdxssgrihnwxkeojmnpdeobpecytkbdwujqfjtxsqspxvxpqioyfagzjxupqqzpgnpnpxcuipweunqch\nkkqkiwwasbhezqcfeceyngcyuogrkhqecwsyerdniqiocjehrpkljiljophqhyaiefjpavoom",
"output": "NO"
},
{
"input": "umeszdawsvgkjhlqwzents\nhxqhdungbylhnikwviuh",
"output": "NO"
},
{
"input": "juotpscvyfmgntshcealgbsrwwksgrwnrrbyaqqsxdlzhkbugdyx\nibqvffmfktyipgiopznsqtrtxiijntdbgyy",
"output": "NO"
},
{
"input": "zbwueheveouatecaglziqmudxemhrsozmaujrwlqmppzoumxhamwugedikvkblvmxwuofmpafdprbcftew\nulczwrqhctbtbxrhhodwbcxwimncnexosksujlisgclllxokrsbnozthajnnlilyffmsyko",
"output": "NO"
},
{
"input": "nkgwuugukzcv\nqktnpxedwxpxkrxdvgmfgoxkdfpbzvwsduyiybynbkouonhvmzakeiruhfmvrktghadbfkmwxduoqv",
"output": "NO"
},
{
"input": "incenvizhqpcenhjhehvjvgbsnfixbatrrjstxjzhlmdmxijztphxbrldlqwdfimweepkggzcxsrwelodpnryntepioqpvk\ndhjbjjftlvnxibkklxquwmzhjfvnmwpapdrslioxisbyhhfymyiaqhlgecpxamqnocizwxniubrmpyubvpenoukhcobkdojlybxd",
"output": "NO"
},
{
"input": "w\nw",
"output": "YES"
},
{
"input": "vz\nzv",
"output": "YES"
},
{
"input": "ry\nyr",
"output": "YES"
},
{
"input": "xou\nuox",
"output": "YES"
},
{
"input": "axg\ngax",
"output": "NO"
},
{
"input": "zdsl\nlsdz",
"output": "YES"
},
{
"input": "kudl\nldku",
"output": "NO"
},
{
"input": "zzlzwnqlcl\nlclqnwzlzz",
"output": "YES"
},
{
"input": "vzzgicnzqooejpjzads\nsdazjpjeooqzncigzzv",
"output": "YES"
},
{
"input": "raqhmvmzuwaykjpyxsykr\nxkysrypjkyawuzmvmhqar",
"output": "NO"
},
{
"input": "ngedczubzdcqbxksnxuavdjaqtmdwncjnoaicvmodcqvhfezew\nwezefhvqcdomvciaonjcnwdmtqajdvauxnskxbqcdzbuzcdegn",
"output": "YES"
},
{
"input": "muooqttvrrljcxbroizkymuidvfmhhsjtumksdkcbwwpfqdyvxtrlymofendqvznzlmim\nmimlznzvqdnefomylrtxvydqfpwwbckdskmutjshhmfvdiumykziorbxcjlrrvttqooum",
"output": "YES"
},
{
"input": "vxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaivg\ngviayyikkitmuomcpiakhbxszgbnhvwyzkftwoagzixaearxpjacrnvpvbuzenvovehkmmxvblqyxvctroddksdsgebcmlluqpxv",
"output": "YES"
},
{
"input": "mnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfdc\ncdfmkdgrdptkpewbsqvszipgxvgvuiuzbkkwuowbafkikgvnqdkxnayzdjygvezmtsgywnupocdntipiyiorblqkrzjpzatxahnm",
"output": "NO"
},
{
"input": "dgxmzbqofstzcdgthbaewbwocowvhqpinehpjatnnbrijcolvsatbblsrxabzrpszoiecpwhfjmwuhqrapvtcgvikuxtzbftydkw\nwkdytfbztxukivgctvparqhuwmjfhwpceiozsprzbaxrslbbqasvlocjirbnntajphenipthvwocowbweabhtgdcztsfoqbzmxgd",
"output": "NO"
},
{
"input": "gxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwgeh\nhegwxvocotmzstqfbmpjvijgkcyodlxyjawrpkczpmdspsuhoiruavnnnuwvtwohglkdxjetshkboalvzqbgjgthoteceixioxg",
"output": "YES"
},
{
"input": "sihxuwvmaambplxvjfoskinghzicyfqebjtkysotattkahssumfcgrkheotdxwjckpvapbkaepqrxseyfrwtyaycmrzsrsngkh\nhkgnsrszrmcyaytwrfyesxrqpeakbpavpkcjwxdtoehkrgcfmusshakttatosyktjbeqfycizhgniksofjvxlpbmaamvwuxhis",
"output": "YES"
},
{
"input": "ycnahksbughnonldzrhkysujmylcgcfuludjvjiahtkyzqvkopzqcnwhltbzfugzojqkjjlggmvnultascmygelkiktmfieok\nkoeifmtkiklegkmcsatlunvmggkjjlqjozgufzbtlhwncqzpokvqzykthaijvjdulufcgclymjusyyhrzdlnonhgubskhancy",
"output": "NO"
},
{
"input": "wbqasaehtkfojruzyhrlgwmtyiovmzyfifslvlemhqheyaelzwnthrenjsbmntwaoryzwfbxmscmypvxlfmzpnkkjlvwvmtz\nztmvwvljkknpzmflxvpymcsmxbfwzyroawtnmbsjnerhtnwzleayehqhmelvlsfifyzmvoiytmwglrhyzurjofktheasaqbw",
"output": "YES"
},
{
"input": "imippqurprbhfugngtgifelytadegwrgaefnfhbjjnmzikvjaccotqzemufqieqldgnbmviisgkynzeldlhqxuqphjfmyij\njiymfjhpquxqhldleznykgsiivmbngdlqeiqfumezqtoccajvkizmnjjbhfnfeagrwgedatylefigtgngufhbrpruqppimi",
"output": "YES"
},
{
"input": "bikydffiuisckpvzqlteqfhegsagimodb\nbdomigasgehfqetlqzvpkcsiuiffdykib",
"output": "YES"
}
] | 1,516,488,287
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 40
| 124
| 5,632,000
|
n = input()
z= input()
if z==n[::-1]:
print ("YES")
else:
print ("NO")
|
Title: Translation
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) reversely. For example, a Berlandish word code corresponds to a Birlandish word edoc. However, it's easy to make a mistake during the «translation». Vasya translated word *s* from Berlandish into Birlandish as *t*. Help him: find out if he translated the word correctly.
Input Specification:
The first line contains word *s*, the second line contains word *t*. The words consist of lowercase Latin letters. The input data do not consist unnecessary spaces. The words are not empty and their lengths do not exceed 100 symbols.
Output Specification:
If the word *t* is a word *s*, written reversely, print YES, otherwise print NO.
Demo Input:
['code\nedoc\n', 'abb\naba\n', 'code\ncode\n']
Demo Output:
['YES\n', 'NO\n', 'NO\n']
Note:
none
|
```python
n = input()
z= input()
if z==n[::-1]:
print ("YES")
else:
print ("NO")
```
| 3.95851
|
1,009
|
D
|
Relatively Prime Graph
|
PROGRAMMING
| 1,700
|
[
"brute force",
"constructive algorithms",
"graphs",
"greedy",
"math"
] | null | null |
Let's call an undirected graph $G = (V, E)$ relatively prime if and only if for each edge $(v, u) \in E$ $GCD(v, u) = 1$ (the greatest common divisor of $v$ and $u$ is $1$). If there is no edge between some pair of vertices $v$ and $u$ then the value of $GCD(v, u)$ doesn't matter. The vertices are numbered from $1$ to $|V|$.
Construct a relatively prime graph with $n$ vertices and $m$ edges such that it is connected and it contains neither self-loops nor multiple edges.
If there exists no valid graph with the given number of vertices and edges then output "Impossible".
If there are multiple answers then print any of them.
|
The only line contains two integers $n$ and $m$ ($1 \le n, m \le 10^5$) — the number of vertices and the number of edges.
|
If there exists no valid graph with the given number of vertices and edges then output "Impossible".
Otherwise print the answer in the following format:
The first line should contain the word "Possible".
The $i$-th of the next $m$ lines should contain the $i$-th edge $(v_i, u_i)$ of the resulting graph ($1 \le v_i, u_i \le n, v_i \neq u_i$). For each pair $(v, u)$ there can be no more pairs $(v, u)$ or $(u, v)$. The vertices are numbered from $1$ to $n$.
If there are multiple answers then print any of them.
|
[
"5 6\n",
"6 12\n"
] |
[
"Possible\n2 5\n3 2\n5 1\n3 4\n4 1\n5 4\n",
"Impossible\n"
] |
Here is the representation of the graph from the first example: <img class="tex-graphics" src="https://espresso.codeforces.com/7a1353a992545456c007e3071fa0a06fe46fc64e.png" style="max-width: 100.0%;max-height: 100.0%;"/>
| 0
|
[
{
"input": "5 6",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n3 2\n5 2"
},
{
"input": "6 12",
"output": "Impossible"
},
{
"input": "572 99643",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "571 99403",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "100 3043",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "10 31",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n3 2\n5 2\n7 2\n9 2\n4 3\n5 3\n7 3\n8 3\n10 3\n5 4\n7 4\n9 4\n6 5\n7 5\n8 5\n9 5\n7 6\n8 7\n9 7\n10 7\n9 8\n10 9"
},
{
"input": "1 1",
"output": "Impossible"
},
{
"input": "2 1",
"output": "Possible\n2 1"
},
{
"input": "100000 1",
"output": "Impossible"
},
{
"input": "100000 99999",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "100000 100000",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "1000 100000",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "572 99644",
"output": "Impossible"
},
{
"input": "571 99404",
"output": "Impossible"
},
{
"input": "100 3044",
"output": "Impossible"
},
{
"input": "10 32",
"output": "Impossible"
},
{
"input": "100000 99998",
"output": "Impossible"
},
{
"input": "55910 88645",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "72050 72069",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "53599 55493",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "56557 100000",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "1001 100000",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "50000 100000",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "530 100000",
"output": "Impossible"
},
{
"input": "46133 100000",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n6 1\n7 1\n8 1\n9 1\n10 1\n11 1\n12 1\n13 1\n14 1\n15 1\n16 1\n17 1\n18 1\n19 1\n20 1\n21 1\n22 1\n23 1\n24 1\n25 1\n26 1\n27 1\n28 1\n29 1\n30 1\n31 1\n32 1\n33 1\n34 1\n35 1\n36 1\n37 1\n38 1\n39 1\n40 1\n41 1\n42 1\n43 1\n44 1\n45 1\n46 1\n47 1\n48 1\n49 1\n50 1\n51 1\n52 1\n53 1\n54 1\n55 1\n56 1\n57 1\n58 1\n59 1\n60 1\n61 1\n62 1\n63 1\n64 1\n65 1\n66 1\n67 1\n68 1\n69 1\n70 1\n71 1\n72 1\n73 1\n74 1\n75 1\n76 1\n77 1\n78 1\n79 1\n80 1\n81 1\n82 1\n83 1\n84 1\n85 1\n86 1\n..."
},
{
"input": "2 2",
"output": "Impossible"
},
{
"input": "3 2",
"output": "Possible\n2 1\n3 1"
},
{
"input": "1 1",
"output": "Impossible"
},
{
"input": "1 2",
"output": "Impossible"
},
{
"input": "1 3",
"output": "Impossible"
},
{
"input": "1 4",
"output": "Impossible"
},
{
"input": "1 5",
"output": "Impossible"
},
{
"input": "2 1",
"output": "Possible\n2 1"
},
{
"input": "2 2",
"output": "Impossible"
},
{
"input": "2 3",
"output": "Impossible"
},
{
"input": "2 4",
"output": "Impossible"
},
{
"input": "2 5",
"output": "Impossible"
},
{
"input": "3 1",
"output": "Impossible"
},
{
"input": "3 2",
"output": "Possible\n2 1\n3 1"
},
{
"input": "3 3",
"output": "Possible\n2 1\n3 1\n3 2"
},
{
"input": "3 4",
"output": "Impossible"
},
{
"input": "3 5",
"output": "Impossible"
},
{
"input": "4 1",
"output": "Impossible"
},
{
"input": "4 2",
"output": "Impossible"
},
{
"input": "4 3",
"output": "Possible\n2 1\n3 1\n4 1"
},
{
"input": "4 4",
"output": "Possible\n2 1\n3 1\n4 1\n3 2"
},
{
"input": "4 5",
"output": "Possible\n2 1\n3 1\n4 1\n3 2\n4 3"
},
{
"input": "5 1",
"output": "Impossible"
},
{
"input": "5 2",
"output": "Impossible"
},
{
"input": "5 3",
"output": "Impossible"
},
{
"input": "5 4",
"output": "Possible\n2 1\n3 1\n4 1\n5 1"
},
{
"input": "5 5",
"output": "Possible\n2 1\n3 1\n4 1\n5 1\n3 2"
}
] | 1,531,758,091
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 8
| 1,871
| 6,758,400
|
def gcd(a, b):
if a < b:
return gcd(b,a)
if b <= 0:
return a
return gcd(a-b, b)
n,m = [int(_) for _ in input().split()]
edges = []
for i in range(1, n+1):
for j in range(i+1, n+1):
#print ("%d %d %d" % (i,j , gcd(i,j)))
if gcd(i,j) == 1:
edges.append((i,j))
if len(edges) == m:
break;
if len(edges) == m:
break;
if len(edges) == m:
print ("Possible")
for edge in edges:
print ("%d %d" % (edge[0], edge[1]))
else:
print ("Impossible")
|
Title: Relatively Prime Graph
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Let's call an undirected graph $G = (V, E)$ relatively prime if and only if for each edge $(v, u) \in E$ $GCD(v, u) = 1$ (the greatest common divisor of $v$ and $u$ is $1$). If there is no edge between some pair of vertices $v$ and $u$ then the value of $GCD(v, u)$ doesn't matter. The vertices are numbered from $1$ to $|V|$.
Construct a relatively prime graph with $n$ vertices and $m$ edges such that it is connected and it contains neither self-loops nor multiple edges.
If there exists no valid graph with the given number of vertices and edges then output "Impossible".
If there are multiple answers then print any of them.
Input Specification:
The only line contains two integers $n$ and $m$ ($1 \le n, m \le 10^5$) — the number of vertices and the number of edges.
Output Specification:
If there exists no valid graph with the given number of vertices and edges then output "Impossible".
Otherwise print the answer in the following format:
The first line should contain the word "Possible".
The $i$-th of the next $m$ lines should contain the $i$-th edge $(v_i, u_i)$ of the resulting graph ($1 \le v_i, u_i \le n, v_i \neq u_i$). For each pair $(v, u)$ there can be no more pairs $(v, u)$ or $(u, v)$. The vertices are numbered from $1$ to $n$.
If there are multiple answers then print any of them.
Demo Input:
['5 6\n', '6 12\n']
Demo Output:
['Possible\n2 5\n3 2\n5 1\n3 4\n4 1\n5 4\n', 'Impossible\n']
Note:
Here is the representation of the graph from the first example: <img class="tex-graphics" src="https://espresso.codeforces.com/7a1353a992545456c007e3071fa0a06fe46fc64e.png" style="max-width: 100.0%;max-height: 100.0%;"/>
|
```python
def gcd(a, b):
if a < b:
return gcd(b,a)
if b <= 0:
return a
return gcd(a-b, b)
n,m = [int(_) for _ in input().split()]
edges = []
for i in range(1, n+1):
for j in range(i+1, n+1):
#print ("%d %d %d" % (i,j , gcd(i,j)))
if gcd(i,j) == 1:
edges.append((i,j))
if len(edges) == m:
break;
if len(edges) == m:
break;
if len(edges) == m:
print ("Possible")
for edge in edges:
print ("%d %d" % (edge[0], edge[1]))
else:
print ("Impossible")
```
| 0
|
|
609
|
A
|
USB Flash Drives
|
PROGRAMMING
| 800
|
[
"greedy",
"implementation",
"sortings"
] | null | null |
Sean is trying to save a large file to a USB flash drive. He has *n* USB flash drives with capacities equal to *a*1,<=*a*2,<=...,<=*a**n* megabytes. The file size is equal to *m* megabytes.
Find the minimum number of USB flash drives needed to write Sean's file, if he can split the file between drives.
|
The first line contains positive integer *n* (1<=≤<=*n*<=≤<=100) — the number of USB flash drives.
The second line contains positive integer *m* (1<=≤<=*m*<=≤<=105) — the size of Sean's file.
Each of the next *n* lines contains positive integer *a**i* (1<=≤<=*a**i*<=≤<=1000) — the sizes of USB flash drives in megabytes.
It is guaranteed that the answer exists, i. e. the sum of all *a**i* is not less than *m*.
|
Print the minimum number of USB flash drives to write Sean's file, if he can split the file between drives.
|
[
"3\n5\n2\n1\n3\n",
"3\n6\n2\n3\n2\n",
"2\n5\n5\n10\n"
] |
[
"2\n",
"3\n",
"1\n"
] |
In the first example Sean needs only two USB flash drives — the first and the third.
In the second example Sean needs all three USB flash drives.
In the third example Sean needs only one USB flash drive and he can use any available USB flash drive — the first or the second.
| 0
|
[
{
"input": "3\n5\n2\n1\n3",
"output": "2"
},
{
"input": "3\n6\n2\n3\n2",
"output": "3"
},
{
"input": "2\n5\n5\n10",
"output": "1"
},
{
"input": "5\n16\n8\n1\n3\n4\n9",
"output": "2"
},
{
"input": "10\n121\n10\n37\n74\n56\n42\n39\n6\n68\n8\n100",
"output": "2"
},
{
"input": "12\n4773\n325\n377\n192\n780\n881\n816\n839\n223\n215\n125\n952\n8",
"output": "7"
},
{
"input": "15\n7758\n182\n272\n763\n910\n24\n359\n583\n890\n735\n819\n66\n992\n440\n496\n227",
"output": "15"
},
{
"input": "30\n70\n6\n2\n10\n4\n7\n10\n5\n1\n8\n10\n4\n3\n5\n9\n3\n6\n6\n4\n2\n6\n5\n10\n1\n9\n7\n2\n1\n10\n7\n5",
"output": "8"
},
{
"input": "40\n15705\n702\n722\n105\n873\n417\n477\n794\n300\n869\n496\n572\n232\n456\n298\n473\n584\n486\n713\n934\n121\n303\n956\n934\n840\n358\n201\n861\n497\n131\n312\n957\n96\n914\n509\n60\n300\n722\n658\n820\n103",
"output": "21"
},
{
"input": "50\n18239\n300\n151\n770\n9\n200\n52\n247\n753\n523\n263\n744\n463\n540\n244\n608\n569\n771\n32\n425\n777\n624\n761\n628\n124\n405\n396\n726\n626\n679\n237\n229\n49\n512\n18\n671\n290\n768\n632\n739\n18\n136\n413\n117\n83\n413\n452\n767\n664\n203\n404",
"output": "31"
},
{
"input": "70\n149\n5\n3\n3\n4\n6\n1\n2\n9\n8\n3\n1\n8\n4\n4\n3\n6\n10\n7\n1\n10\n8\n4\n9\n3\n8\n3\n2\n5\n1\n8\n6\n9\n10\n4\n8\n6\n9\n9\n9\n3\n4\n2\n2\n5\n8\n9\n1\n10\n3\n4\n3\n1\n9\n3\n5\n1\n3\n7\n6\n9\n8\n9\n1\n7\n4\n4\n2\n3\n5\n7",
"output": "17"
},
{
"input": "70\n2731\n26\n75\n86\n94\n37\n25\n32\n35\n92\n1\n51\n73\n53\n66\n16\n80\n15\n81\n100\n87\n55\n48\n30\n71\n39\n87\n77\n25\n70\n22\n75\n23\n97\n16\n75\n95\n61\n61\n28\n10\n78\n54\n80\n51\n25\n24\n90\n58\n4\n77\n40\n54\n53\n47\n62\n30\n38\n71\n97\n71\n60\n58\n1\n21\n15\n55\n99\n34\n88\n99",
"output": "35"
},
{
"input": "70\n28625\n34\n132\n181\n232\n593\n413\n862\n887\n808\n18\n35\n89\n356\n640\n339\n280\n975\n82\n345\n398\n948\n372\n91\n755\n75\n153\n948\n603\n35\n694\n722\n293\n363\n884\n264\n813\n175\n169\n646\n138\n449\n488\n828\n417\n134\n84\n763\n288\n845\n801\n556\n972\n332\n564\n934\n699\n842\n942\n644\n203\n406\n140\n37\n9\n423\n546\n675\n491\n113\n587",
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{
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"output": "27"
},
{
"input": "80\n2993\n18\n14\n73\n38\n14\n73\n77\n18\n81\n6\n96\n65\n77\n86\n76\n8\n16\n81\n83\n83\n34\n69\n58\n15\n19\n1\n16\n57\n95\n35\n5\n49\n8\n15\n47\n84\n99\n94\n93\n55\n43\n47\n51\n61\n57\n13\n7\n92\n14\n4\n83\n100\n60\n75\n41\n95\n74\n40\n1\n4\n95\n68\n59\n65\n15\n15\n75\n85\n46\n77\n26\n30\n51\n64\n75\n40\n22\n88\n68\n24",
"output": "38"
},
{
"input": "80\n37947\n117\n569\n702\n272\n573\n629\n90\n337\n673\n589\n576\n205\n11\n284\n645\n719\n777\n271\n567\n466\n251\n402\n3\n97\n288\n699\n208\n173\n530\n782\n266\n395\n957\n159\n463\n43\n316\n603\n197\n386\n132\n799\n778\n905\n784\n71\n851\n963\n883\n705\n454\n275\n425\n727\n223\n4\n870\n833\n431\n463\n85\n505\n800\n41\n954\n981\n242\n578\n336\n48\n858\n702\n349\n929\n646\n528\n993\n506\n274\n227",
"output": "70"
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{
"input": "90\n413\n5\n8\n10\n7\n5\n7\n5\n7\n1\n7\n8\n4\n3\n9\n4\n1\n10\n3\n1\n10\n9\n3\n1\n8\n4\n7\n5\n2\n9\n3\n10\n10\n3\n6\n3\n3\n10\n7\n5\n1\n1\n2\n4\n8\n2\n5\n5\n3\n9\n5\n5\n3\n10\n2\n3\n8\n5\n9\n1\n3\n6\n5\n9\n2\n3\n7\n10\n3\n4\n4\n1\n5\n9\n2\n6\n9\n1\n1\n9\n9\n7\n7\n7\n8\n4\n5\n3\n4\n6\n9",
"output": "59"
},
{
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"output": "64"
},
{
"input": "90\n40579\n448\n977\n607\n745\n268\n826\n479\n59\n330\n609\n43\n301\n970\n726\n172\n632\n600\n181\n712\n195\n491\n312\n849\n722\n679\n682\n780\n131\n404\n293\n387\n567\n660\n54\n339\n111\n833\n612\n911\n869\n356\n884\n635\n126\n639\n712\n473\n663\n773\n435\n32\n973\n484\n662\n464\n699\n274\n919\n95\n904\n253\n589\n543\n454\n250\n349\n237\n829\n511\n536\n36\n45\n152\n626\n384\n199\n877\n941\n84\n781\n115\n20\n52\n726\n751\n920\n291\n571\n6\n199",
"output": "64"
},
{
"input": "100\n66\n7\n9\n10\n5\n2\n8\n6\n5\n4\n10\n10\n6\n5\n2\n2\n1\n1\n5\n8\n7\n8\n10\n5\n6\n6\n5\n9\n9\n6\n3\n8\n7\n10\n5\n9\n6\n7\n3\n5\n8\n6\n8\n9\n1\n1\n1\n2\n4\n5\n5\n1\n1\n2\n6\n7\n1\n5\n8\n7\n2\n1\n7\n10\n9\n10\n2\n4\n10\n4\n10\n10\n5\n3\n9\n1\n2\n1\n10\n5\n1\n7\n4\n4\n5\n7\n6\n10\n4\n7\n3\n4\n3\n6\n2\n5\n2\n4\n9\n5\n3",
"output": "7"
},
{
"input": "100\n4862\n20\n47\n85\n47\n76\n38\n48\n93\n91\n81\n31\n51\n23\n60\n59\n3\n73\n72\n57\n67\n54\n9\n42\n5\n32\n46\n72\n79\n95\n61\n79\n88\n33\n52\n97\n10\n3\n20\n79\n82\n93\n90\n38\n80\n18\n21\n43\n60\n73\n34\n75\n65\n10\n84\n100\n29\n94\n56\n22\n59\n95\n46\n22\n57\n69\n67\n90\n11\n10\n61\n27\n2\n48\n69\n86\n91\n69\n76\n36\n71\n18\n54\n90\n74\n69\n50\n46\n8\n5\n41\n96\n5\n14\n55\n85\n39\n6\n79\n75\n87",
"output": "70"
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{
"input": "100\n45570\n14\n881\n678\n687\n993\n413\n760\n451\n426\n787\n503\n343\n234\n530\n294\n725\n941\n524\n574\n441\n798\n399\n360\n609\n376\n525\n229\n995\n478\n347\n47\n23\n468\n525\n749\n601\n235\n89\n995\n489\n1\n239\n415\n122\n671\n128\n357\n886\n401\n964\n212\n968\n210\n130\n871\n360\n661\n844\n414\n187\n21\n824\n266\n713\n126\n496\n916\n37\n193\n755\n894\n641\n300\n170\n176\n383\n488\n627\n61\n897\n33\n242\n419\n881\n698\n107\n391\n418\n774\n905\n87\n5\n896\n835\n318\n373\n916\n393\n91\n460",
"output": "78"
},
{
"input": "100\n522\n1\n5\n2\n4\n2\n6\n3\n4\n2\n10\n10\n6\n7\n9\n7\n1\n7\n2\n5\n3\n1\n5\n2\n3\n5\n1\n7\n10\n10\n4\n4\n10\n9\n10\n6\n2\n8\n2\n6\n10\n9\n2\n7\n5\n9\n4\n6\n10\n7\n3\n1\n1\n9\n5\n10\n9\n2\n8\n3\n7\n5\n4\n7\n5\n9\n10\n6\n2\n9\n2\n5\n10\n1\n7\n7\n10\n5\n6\n2\n9\n4\n7\n10\n10\n8\n3\n4\n9\n3\n6\n9\n10\n2\n9\n9\n3\n4\n1\n10\n2",
"output": "74"
},
{
"input": "100\n32294\n414\n116\n131\n649\n130\n476\n630\n605\n213\n117\n757\n42\n109\n85\n127\n635\n629\n994\n410\n764\n204\n161\n231\n577\n116\n936\n537\n565\n571\n317\n722\n819\n229\n284\n487\n649\n304\n628\n727\n816\n854\n91\n111\n549\n87\n374\n417\n3\n868\n882\n168\n743\n77\n534\n781\n75\n956\n910\n734\n507\n568\n802\n946\n891\n659\n116\n678\n375\n380\n430\n627\n873\n350\n930\n285\n6\n183\n96\n517\n81\n794\n235\n360\n551\n6\n28\n799\n226\n996\n894\n981\n551\n60\n40\n460\n479\n161\n318\n952\n433",
"output": "42"
},
{
"input": "100\n178\n71\n23\n84\n98\n8\n14\n4\n42\n56\n83\n87\n28\n22\n32\n50\n5\n96\n90\n1\n59\n74\n56\n96\n77\n88\n71\n38\n62\n36\n85\n1\n97\n98\n98\n32\n99\n42\n6\n81\n20\n49\n57\n71\n66\n9\n45\n41\n29\n28\n32\n68\n38\n29\n35\n29\n19\n27\n76\n85\n68\n68\n41\n32\n78\n72\n38\n19\n55\n83\n83\n25\n46\n62\n48\n26\n53\n14\n39\n31\n94\n84\n22\n39\n34\n96\n63\n37\n42\n6\n78\n76\n64\n16\n26\n6\n79\n53\n24\n29\n63",
"output": "2"
},
{
"input": "100\n885\n226\n266\n321\n72\n719\n29\n121\n533\n85\n672\n225\n830\n783\n822\n30\n791\n618\n166\n487\n922\n434\n814\n473\n5\n741\n947\n910\n305\n998\n49\n945\n588\n868\n809\n803\n168\n280\n614\n434\n634\n538\n591\n437\n540\n445\n313\n177\n171\n799\n778\n55\n617\n554\n583\n611\n12\n94\n599\n182\n765\n556\n965\n542\n35\n460\n177\n313\n485\n744\n384\n21\n52\n879\n792\n411\n614\n811\n565\n695\n428\n587\n631\n794\n461\n258\n193\n696\n936\n646\n756\n267\n55\n690\n730\n742\n734\n988\n235\n762\n440",
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},
{
"input": "100\n29\n9\n2\n10\n8\n6\n7\n7\n3\n3\n10\n4\n5\n2\n5\n1\n6\n3\n2\n5\n10\n10\n9\n1\n4\n5\n2\n2\n3\n1\n2\n2\n9\n6\n9\n7\n8\n8\n1\n5\n5\n3\n1\n5\n6\n1\n9\n2\n3\n8\n10\n8\n3\n2\n7\n1\n2\n1\n2\n8\n10\n5\n2\n3\n1\n10\n7\n1\n7\n4\n9\n6\n6\n4\n7\n1\n2\n7\n7\n9\n9\n7\n10\n4\n10\n8\n2\n1\n5\n5\n10\n5\n8\n1\n5\n6\n5\n1\n5\n6\n8",
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{
"input": "100\n644\n94\n69\n43\n36\n54\n93\n30\n74\n56\n95\n70\n49\n11\n36\n57\n30\n59\n3\n52\n59\n90\n82\n39\n67\n32\n8\n80\n64\n8\n65\n51\n48\n89\n90\n35\n4\n54\n66\n96\n68\n90\n30\n4\n13\n97\n41\n90\n85\n17\n45\n94\n31\n58\n4\n39\n76\n95\n92\n59\n67\n46\n96\n55\n82\n64\n20\n20\n83\n46\n37\n15\n60\n37\n79\n45\n47\n63\n73\n76\n31\n52\n36\n32\n49\n26\n61\n91\n31\n25\n62\n90\n65\n65\n5\n94\n7\n15\n97\n88\n68",
"output": "7"
},
{
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},
{
"input": "100\n20562\n721\n452\n11\n703\n376\n183\n197\n203\n406\n642\n346\n446\n256\n760\n201\n360\n702\n707\n388\n779\n653\n610\n497\n768\n670\n134\n780\n306\n661\n180\n259\n256\n362\n6\n121\n415\n747\n170\n67\n439\n728\n193\n622\n481\n38\n225\n343\n303\n253\n436\n305\n68\n794\n247\n291\n600\n750\n188\n199\n757\n28\n776\n749\n253\n351\n53\n629\n129\n578\n209\n89\n651\n262\n638\n353\n469\n31\n144\n460\n176\n535\n562\n366\n639\n234\n577\n364\n761\n617\n303\n450\n778\n311\n289\n221\n274\n239\n626\n194\n36",
"output": "30"
},
{
"input": "100\n32630\n548\n21\n756\n138\n56\n719\n97\n86\n599\n531\n464\n137\n737\n239\n626\n179\n170\n271\n335\n178\n298\n597\n616\n104\n190\n216\n333\n606\n621\n310\n70\n286\n593\n655\n472\n556\n77\n625\n744\n395\n487\n762\n316\n469\n258\n475\n596\n651\n180\n737\n101\n511\n708\n163\n713\n475\n557\n649\n705\n583\n97\n447\n119\n91\n372\n194\n394\n667\n384\n635\n611\n746\n758\n613\n54\n508\n405\n188\n570\n254\n28\n599\n767\n115\n737\n194\n148\n686\n705\n236\n762\n613\n770\n633\n401\n773\n448\n274\n141\n718",
"output": "52"
},
{
"input": "1\n1\n1",
"output": "1"
}
] | 1,604,431,284
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 93
| 0
|
n=int(input())#n is size of list
m=int(input())#m is the size of disc
summ = 0
a = []
a.sort(reverse=True)
for i in range(0,n):
a.append(int(input()))
for i in range(0,n):
summ = summ + a[i]
if summ >= m:
print(i+1)
break
|
Title: USB Flash Drives
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Sean is trying to save a large file to a USB flash drive. He has *n* USB flash drives with capacities equal to *a*1,<=*a*2,<=...,<=*a**n* megabytes. The file size is equal to *m* megabytes.
Find the minimum number of USB flash drives needed to write Sean's file, if he can split the file between drives.
Input Specification:
The first line contains positive integer *n* (1<=≤<=*n*<=≤<=100) — the number of USB flash drives.
The second line contains positive integer *m* (1<=≤<=*m*<=≤<=105) — the size of Sean's file.
Each of the next *n* lines contains positive integer *a**i* (1<=≤<=*a**i*<=≤<=1000) — the sizes of USB flash drives in megabytes.
It is guaranteed that the answer exists, i. e. the sum of all *a**i* is not less than *m*.
Output Specification:
Print the minimum number of USB flash drives to write Sean's file, if he can split the file between drives.
Demo Input:
['3\n5\n2\n1\n3\n', '3\n6\n2\n3\n2\n', '2\n5\n5\n10\n']
Demo Output:
['2\n', '3\n', '1\n']
Note:
In the first example Sean needs only two USB flash drives — the first and the third.
In the second example Sean needs all three USB flash drives.
In the third example Sean needs only one USB flash drive and he can use any available USB flash drive — the first or the second.
|
```python
n=int(input())#n is size of list
m=int(input())#m is the size of disc
summ = 0
a = []
a.sort(reverse=True)
for i in range(0,n):
a.append(int(input()))
for i in range(0,n):
summ = summ + a[i]
if summ >= m:
print(i+1)
break
```
| 0
|
|
119
|
A
|
Epic Game
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
Simon and Antisimon play a game. Initially each player receives one fixed positive integer that doesn't change throughout the game. Simon receives number *a* and Antisimon receives number *b*. They also have a heap of *n* stones. The players take turns to make a move and Simon starts. During a move a player should take from the heap the number of stones equal to the greatest common divisor of the fixed number he has received and the number of stones left in the heap. A player loses when he cannot take the required number of stones (i. e. the heap has strictly less stones left than one needs to take).
Your task is to determine by the given *a*, *b* and *n* who wins the game.
|
The only string contains space-separated integers *a*, *b* and *n* (1<=≤<=*a*,<=*b*,<=*n*<=≤<=100) — the fixed numbers Simon and Antisimon have received correspondingly and the initial number of stones in the pile.
|
If Simon wins, print "0" (without the quotes), otherwise print "1" (without the quotes).
|
[
"3 5 9\n",
"1 1 100\n"
] |
[
"0",
"1"
] |
The greatest common divisor of two non-negative integers *a* and *b* is such maximum positive integer *k*, that *a* is divisible by *k* without remainder and similarly, *b* is divisible by *k* without remainder. Let *gcd*(*a*, *b*) represent the operation of calculating the greatest common divisor of numbers *a* and *b*. Specifically, *gcd*(*x*, 0) = *gcd*(0, *x*) = *x*.
In the first sample the game will go like that:
- Simon should take *gcd*(3, 9) = 3 stones from the heap. After his move the heap has 6 stones left.- Antisimon should take *gcd*(5, 6) = 1 stone from the heap. After his move the heap has 5 stones left.- Simon should take *gcd*(3, 5) = 1 stone from the heap. After his move the heap has 4 stones left.- Antisimon should take *gcd*(5, 4) = 1 stone from the heap. After his move the heap has 3 stones left.- Simon should take *gcd*(3, 3) = 3 stones from the heap. After his move the heap has 0 stones left.- Antisimon should take *gcd*(5, 0) = 5 stones from the heap. As 0 < 5, it is impossible and Antisimon loses.
In the second sample each player during each move takes one stone from the heap. As *n* is even, Antisimon takes the last stone and Simon can't make a move after that.
| 500
|
[
{
"input": "3 5 9",
"output": "0"
},
{
"input": "1 1 100",
"output": "1"
},
{
"input": "23 12 16",
"output": "1"
},
{
"input": "95 26 29",
"output": "1"
},
{
"input": "73 32 99",
"output": "1"
},
{
"input": "1 1 1",
"output": "0"
},
{
"input": "41 12 65",
"output": "1"
},
{
"input": "13 61 100",
"output": "1"
},
{
"input": "100 100 10",
"output": "0"
},
{
"input": "12 24 26",
"output": "1"
},
{
"input": "73 21 96",
"output": "1"
},
{
"input": "17 22 81",
"output": "1"
},
{
"input": "14 88 97",
"output": "1"
},
{
"input": "42 81 17",
"output": "0"
},
{
"input": "34 36 19",
"output": "1"
},
{
"input": "21 87 12",
"output": "1"
},
{
"input": "97 92 98",
"output": "1"
},
{
"input": "49 25 62",
"output": "1"
},
{
"input": "29 17 44",
"output": "1"
},
{
"input": "10 1 10",
"output": "0"
},
{
"input": "99 98 100",
"output": "1"
},
{
"input": "100 100 1",
"output": "0"
},
{
"input": "11 99 55",
"output": "0"
},
{
"input": "8 13 21",
"output": "0"
},
{
"input": "34 55 89",
"output": "0"
},
{
"input": "21 34 55",
"output": "1"
},
{
"input": "13 21 34",
"output": "1"
},
{
"input": "34 21 55",
"output": "0"
},
{
"input": "10 20 84",
"output": "1"
},
{
"input": "4 2 5",
"output": "0"
},
{
"input": "3 2 3",
"output": "0"
},
{
"input": "31 23 1",
"output": "0"
},
{
"input": "100 100 100",
"output": "0"
},
{
"input": "100 1 100",
"output": "0"
},
{
"input": "1 100 100",
"output": "1"
},
{
"input": "1 1 100",
"output": "1"
},
{
"input": "17 23 100",
"output": "1"
},
{
"input": "99 98 100",
"output": "1"
},
{
"input": "1 1 2",
"output": "1"
},
{
"input": "2 1 1",
"output": "0"
},
{
"input": "1 2 1",
"output": "0"
},
{
"input": "2 1 2",
"output": "0"
},
{
"input": "10 10 3",
"output": "1"
},
{
"input": "2 2 1",
"output": "0"
},
{
"input": "9 5 1",
"output": "0"
}
] | 1,540,964,828
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 3
| 218
| 0
|
a,b,n=map(int,input().split())
x=0
d=0
while a!=0 and b!=0:
if a>b:
a=a%b
else:
b=b%a
x=(a+b)
while n>0:
n=n-x
d=d+1
if d%2==0:
print(1)
else:
print(0)
|
Title: Epic Game
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Simon and Antisimon play a game. Initially each player receives one fixed positive integer that doesn't change throughout the game. Simon receives number *a* and Antisimon receives number *b*. They also have a heap of *n* stones. The players take turns to make a move and Simon starts. During a move a player should take from the heap the number of stones equal to the greatest common divisor of the fixed number he has received and the number of stones left in the heap. A player loses when he cannot take the required number of stones (i. e. the heap has strictly less stones left than one needs to take).
Your task is to determine by the given *a*, *b* and *n* who wins the game.
Input Specification:
The only string contains space-separated integers *a*, *b* and *n* (1<=≤<=*a*,<=*b*,<=*n*<=≤<=100) — the fixed numbers Simon and Antisimon have received correspondingly and the initial number of stones in the pile.
Output Specification:
If Simon wins, print "0" (without the quotes), otherwise print "1" (without the quotes).
Demo Input:
['3 5 9\n', '1 1 100\n']
Demo Output:
['0', '1']
Note:
The greatest common divisor of two non-negative integers *a* and *b* is such maximum positive integer *k*, that *a* is divisible by *k* without remainder and similarly, *b* is divisible by *k* without remainder. Let *gcd*(*a*, *b*) represent the operation of calculating the greatest common divisor of numbers *a* and *b*. Specifically, *gcd*(*x*, 0) = *gcd*(0, *x*) = *x*.
In the first sample the game will go like that:
- Simon should take *gcd*(3, 9) = 3 stones from the heap. After his move the heap has 6 stones left.- Antisimon should take *gcd*(5, 6) = 1 stone from the heap. After his move the heap has 5 stones left.- Simon should take *gcd*(3, 5) = 1 stone from the heap. After his move the heap has 4 stones left.- Antisimon should take *gcd*(5, 4) = 1 stone from the heap. After his move the heap has 3 stones left.- Simon should take *gcd*(3, 3) = 3 stones from the heap. After his move the heap has 0 stones left.- Antisimon should take *gcd*(5, 0) = 5 stones from the heap. As 0 < 5, it is impossible and Antisimon loses.
In the second sample each player during each move takes one stone from the heap. As *n* is even, Antisimon takes the last stone and Simon can't make a move after that.
|
```python
a,b,n=map(int,input().split())
x=0
d=0
while a!=0 and b!=0:
if a>b:
a=a%b
else:
b=b%a
x=(a+b)
while n>0:
n=n-x
d=d+1
if d%2==0:
print(1)
else:
print(0)
```
| 0
|
|
348
|
A
|
Mafia
|
PROGRAMMING
| 1,600
|
[
"binary search",
"math",
"sortings"
] | null | null |
One day *n* friends gathered together to play "Mafia". During each round of the game some player must be the supervisor and other *n*<=-<=1 people take part in the game. For each person we know in how many rounds he wants to be a player, not the supervisor: the *i*-th person wants to play *a**i* rounds. What is the minimum number of rounds of the "Mafia" game they need to play to let each person play at least as many rounds as they want?
|
The first line contains integer *n* (3<=≤<=*n*<=≤<=105). The second line contains *n* space-separated integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=109) — the *i*-th number in the list is the number of rounds the *i*-th person wants to play.
|
In a single line print a single integer — the minimum number of game rounds the friends need to let the *i*-th person play at least *a**i* rounds.
Please, do not use the %lld specifier to read or write 64-bit integers in С++. It is preferred to use the cin, cout streams or the %I64d specifier.
|
[
"3\n3 2 2\n",
"4\n2 2 2 2\n"
] |
[
"4\n",
"3\n"
] |
You don't need to know the rules of "Mafia" to solve this problem. If you're curious, it's a game Russia got from the Soviet times: http://en.wikipedia.org/wiki/Mafia_(party_game).
| 500
|
[
{
"input": "3\n3 2 2",
"output": "4"
},
{
"input": "4\n2 2 2 2",
"output": "3"
},
{
"input": "7\n9 7 7 8 8 7 8",
"output": "9"
},
{
"input": "10\n13 12 10 13 13 14 10 10 12 12",
"output": "14"
},
{
"input": "10\n94 96 91 95 99 94 96 92 95 99",
"output": "106"
},
{
"input": "100\n1 555 876 444 262 234 231 598 416 261 206 165 181 988 469 123 602 592 533 97 864 716 831 156 962 341 207 377 892 51 866 96 757 317 832 476 549 472 770 1000 887 145 956 515 992 653 972 677 973 527 984 559 280 346 580 30 372 547 209 929 492 520 446 726 47 170 699 560 814 206 688 955 308 287 26 102 77 430 262 71 415 586 532 562 419 615 732 658 108 315 268 574 86 12 23 429 640 995 342 305",
"output": "1000"
},
{
"input": "3\n1 1 1",
"output": "2"
},
{
"input": "30\n94 93 90 94 90 91 93 91 93 94 93 90 100 94 97 94 94 95 94 96 94 98 97 95 97 91 91 95 98 96",
"output": "100"
},
{
"input": "5\n1000000000 5 5 4 4",
"output": "1000000000"
},
{
"input": "3\n1 2 1",
"output": "2"
},
{
"input": "3\n2 1 1",
"output": "2"
},
{
"input": "4\n1 2 3 4",
"output": "4"
},
{
"input": "3\n1000000000 1000000000 10000000",
"output": "1005000000"
},
{
"input": "3\n677876423 834056477 553175531",
"output": "1032554216"
},
{
"input": "5\n1000000000 1 1 1 1",
"output": "1000000000"
},
{
"input": "4\n1000000000 1000000000 1000000000 1000000000",
"output": "1333333334"
},
{
"input": "3\n4 10 11",
"output": "13"
},
{
"input": "5\n1000000000 1000000000 1000000000 1000000000 1000000000",
"output": "1250000000"
}
] | 1,381,336,560
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 34
| 186
| 9,625,600
|
n = int(input())
numbers = input().split()
num = [int(x) for x in numbers]
total = sum(num)
max_num = max(num)
rounds = int((total + n - 2) / (n - 1))
print(max(max_num, rounds))
|
Title: Mafia
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
One day *n* friends gathered together to play "Mafia". During each round of the game some player must be the supervisor and other *n*<=-<=1 people take part in the game. For each person we know in how many rounds he wants to be a player, not the supervisor: the *i*-th person wants to play *a**i* rounds. What is the minimum number of rounds of the "Mafia" game they need to play to let each person play at least as many rounds as they want?
Input Specification:
The first line contains integer *n* (3<=≤<=*n*<=≤<=105). The second line contains *n* space-separated integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=109) — the *i*-th number in the list is the number of rounds the *i*-th person wants to play.
Output Specification:
In a single line print a single integer — the minimum number of game rounds the friends need to let the *i*-th person play at least *a**i* rounds.
Please, do not use the %lld specifier to read or write 64-bit integers in С++. It is preferred to use the cin, cout streams or the %I64d specifier.
Demo Input:
['3\n3 2 2\n', '4\n2 2 2 2\n']
Demo Output:
['4\n', '3\n']
Note:
You don't need to know the rules of "Mafia" to solve this problem. If you're curious, it's a game Russia got from the Soviet times: http://en.wikipedia.org/wiki/Mafia_(party_game).
|
```python
n = int(input())
numbers = input().split()
num = [int(x) for x in numbers]
total = sum(num)
max_num = max(num)
rounds = int((total + n - 2) / (n - 1))
print(max(max_num, rounds))
```
| 3
|
|
337
|
A
|
Puzzles
|
PROGRAMMING
| 900
|
[
"greedy"
] | null | null |
The end of the school year is near and Ms. Manana, the teacher, will soon have to say goodbye to a yet another class. She decided to prepare a goodbye present for her *n* students and give each of them a jigsaw puzzle (which, as wikipedia states, is a tiling puzzle that requires the assembly of numerous small, often oddly shaped, interlocking and tessellating pieces).
The shop assistant told the teacher that there are *m* puzzles in the shop, but they might differ in difficulty and size. Specifically, the first jigsaw puzzle consists of *f*1 pieces, the second one consists of *f*2 pieces and so on.
Ms. Manana doesn't want to upset the children, so she decided that the difference between the numbers of pieces in her presents must be as small as possible. Let *A* be the number of pieces in the largest puzzle that the teacher buys and *B* be the number of pieces in the smallest such puzzle. She wants to choose such *n* puzzles that *A*<=-<=*B* is minimum possible. Help the teacher and find the least possible value of *A*<=-<=*B*.
|
The first line contains space-separated integers *n* and *m* (2<=≤<=*n*<=≤<=*m*<=≤<=50). The second line contains *m* space-separated integers *f*1,<=*f*2,<=...,<=*f**m* (4<=≤<=*f**i*<=≤<=1000) — the quantities of pieces in the puzzles sold in the shop.
|
Print a single integer — the least possible difference the teacher can obtain.
|
[
"4 6\n10 12 10 7 5 22\n"
] |
[
"5\n"
] |
Sample 1. The class has 4 students. The shop sells 6 puzzles. If Ms. Manana buys the first four puzzles consisting of 10, 12, 10 and 7 pieces correspondingly, then the difference between the sizes of the largest and the smallest puzzle will be equal to 5. It is impossible to obtain a smaller difference. Note that the teacher can also buy puzzles 1, 3, 4 and 5 to obtain the difference 5.
| 500
|
[
{
"input": "4 6\n10 12 10 7 5 22",
"output": "5"
},
{
"input": "2 2\n4 4",
"output": "0"
},
{
"input": "2 10\n4 5 6 7 8 9 10 11 12 12",
"output": "0"
},
{
"input": "4 5\n818 136 713 59 946",
"output": "759"
},
{
"input": "3 20\n446 852 783 313 549 965 40 88 86 617 479 118 768 34 47 826 366 957 463 903",
"output": "13"
},
{
"input": "2 25\n782 633 152 416 432 825 115 97 386 357 836 310 530 413 354 373 847 882 913 682 729 582 671 674 94",
"output": "3"
},
{
"input": "4 25\n226 790 628 528 114 64 239 279 619 39 894 763 763 847 525 93 882 697 999 643 650 244 159 884 190",
"output": "31"
},
{
"input": "2 50\n971 889 628 39 253 157 925 694 129 516 660 272 738 319 611 816 142 717 514 392 41 105 132 676 958 118 306 768 600 685 103 857 704 346 857 309 23 718 618 161 176 379 846 834 640 468 952 878 164 997",
"output": "0"
},
{
"input": "25 50\n582 146 750 905 313 509 402 21 488 512 32 898 282 64 579 869 37 996 377 929 975 697 666 837 311 205 116 992 533 298 648 268 54 479 792 595 152 69 267 417 184 433 894 603 988 712 24 414 301 176",
"output": "412"
},
{
"input": "49 50\n58 820 826 960 271 294 473 102 925 318 729 672 244 914 796 646 868 6 893 882 726 203 528 498 271 195 355 459 721 680 547 147 631 116 169 804 145 996 133 559 110 257 771 476 576 251 607 314 427 886",
"output": "938"
},
{
"input": "50 50\n374 573 323 744 190 806 485 247 628 336 491 606 702 321 991 678 337 579 86 240 993 208 668 686 855 205 363 177 719 249 896 919 782 434 59 647 787 996 286 216 636 212 546 903 958 559 544 126 608 993",
"output": "937"
},
{
"input": "6 50\n6 8 7 8 5 4 4 5 7 8 6 5 7 4 7 7 7 8 6 4 6 6 8 8 7 7 8 7 5 8 5 4 4 7 8 4 4 6 6 6 8 7 4 7 6 6 5 8 4 7",
"output": "0"
},
{
"input": "37 50\n14 5 11 17 8 20 19 16 20 11 17 20 16 9 14 14 13 18 11 20 8 8 8 5 19 17 6 18 10 20 9 7 12 6 14 17 4 4 10 13 7 4 11 6 20 19 12 12 15 19",
"output": "12"
},
{
"input": "40 50\n4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4",
"output": "0"
},
{
"input": "40 50\n17 20 43 26 41 37 14 8 30 35 30 24 43 8 42 9 41 50 41 35 27 32 35 43 28 36 31 16 5 7 23 16 14 29 8 39 12 16 36 18 49 39 33 37 38 6 6 27 23 17",
"output": "31"
},
{
"input": "2 2\n1000 4",
"output": "996"
},
{
"input": "2 3\n4 502 1000",
"output": "498"
},
{
"input": "3 3\n4 1000 4",
"output": "996"
}
] | 1,699,182,174
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 2
| 62
| 0
|
n,m=map(int,input().split())
list=list(map(int,input().split()))
list.sort()
print(list[n-1]-list[0])
|
Title: Puzzles
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
The end of the school year is near and Ms. Manana, the teacher, will soon have to say goodbye to a yet another class. She decided to prepare a goodbye present for her *n* students and give each of them a jigsaw puzzle (which, as wikipedia states, is a tiling puzzle that requires the assembly of numerous small, often oddly shaped, interlocking and tessellating pieces).
The shop assistant told the teacher that there are *m* puzzles in the shop, but they might differ in difficulty and size. Specifically, the first jigsaw puzzle consists of *f*1 pieces, the second one consists of *f*2 pieces and so on.
Ms. Manana doesn't want to upset the children, so she decided that the difference between the numbers of pieces in her presents must be as small as possible. Let *A* be the number of pieces in the largest puzzle that the teacher buys and *B* be the number of pieces in the smallest such puzzle. She wants to choose such *n* puzzles that *A*<=-<=*B* is minimum possible. Help the teacher and find the least possible value of *A*<=-<=*B*.
Input Specification:
The first line contains space-separated integers *n* and *m* (2<=≤<=*n*<=≤<=*m*<=≤<=50). The second line contains *m* space-separated integers *f*1,<=*f*2,<=...,<=*f**m* (4<=≤<=*f**i*<=≤<=1000) — the quantities of pieces in the puzzles sold in the shop.
Output Specification:
Print a single integer — the least possible difference the teacher can obtain.
Demo Input:
['4 6\n10 12 10 7 5 22\n']
Demo Output:
['5\n']
Note:
Sample 1. The class has 4 students. The shop sells 6 puzzles. If Ms. Manana buys the first four puzzles consisting of 10, 12, 10 and 7 pieces correspondingly, then the difference between the sizes of the largest and the smallest puzzle will be equal to 5. It is impossible to obtain a smaller difference. Note that the teacher can also buy puzzles 1, 3, 4 and 5 to obtain the difference 5.
|
```python
n,m=map(int,input().split())
list=list(map(int,input().split()))
list.sort()
print(list[n-1]-list[0])
```
| 0
|
|
723
|
A
|
The New Year: Meeting Friends
|
PROGRAMMING
| 800
|
[
"implementation",
"math",
"sortings"
] | null | null |
There are three friend living on the straight line *Ox* in Lineland. The first friend lives at the point *x*1, the second friend lives at the point *x*2, and the third friend lives at the point *x*3. They plan to celebrate the New Year together, so they need to meet at one point. What is the minimum total distance they have to travel in order to meet at some point and celebrate the New Year?
It's guaranteed that the optimal answer is always integer.
|
The first line of the input contains three distinct integers *x*1, *x*2 and *x*3 (1<=≤<=*x*1,<=*x*2,<=*x*3<=≤<=100) — the coordinates of the houses of the first, the second and the third friends respectively.
|
Print one integer — the minimum total distance the friends need to travel in order to meet together.
|
[
"7 1 4\n",
"30 20 10\n"
] |
[
"6\n",
"20\n"
] |
In the first sample, friends should meet at the point 4. Thus, the first friend has to travel the distance of 3 (from the point 7 to the point 4), the second friend also has to travel the distance of 3 (from the point 1 to the point 4), while the third friend should not go anywhere because he lives at the point 4.
| 500
|
[
{
"input": "7 1 4",
"output": "6"
},
{
"input": "30 20 10",
"output": "20"
},
{
"input": "1 4 100",
"output": "99"
},
{
"input": "100 1 91",
"output": "99"
},
{
"input": "1 45 100",
"output": "99"
},
{
"input": "1 2 3",
"output": "2"
},
{
"input": "71 85 88",
"output": "17"
},
{
"input": "30 38 99",
"output": "69"
},
{
"input": "23 82 95",
"output": "72"
},
{
"input": "22 41 47",
"output": "25"
},
{
"input": "9 94 77",
"output": "85"
},
{
"input": "1 53 51",
"output": "52"
},
{
"input": "25 97 93",
"output": "72"
},
{
"input": "42 53 51",
"output": "11"
},
{
"input": "81 96 94",
"output": "15"
},
{
"input": "21 5 93",
"output": "88"
},
{
"input": "50 13 75",
"output": "62"
},
{
"input": "41 28 98",
"output": "70"
},
{
"input": "69 46 82",
"output": "36"
},
{
"input": "87 28 89",
"output": "61"
},
{
"input": "44 45 40",
"output": "5"
},
{
"input": "86 97 68",
"output": "29"
},
{
"input": "43 92 30",
"output": "62"
},
{
"input": "16 70 1",
"output": "69"
},
{
"input": "40 46 19",
"output": "27"
},
{
"input": "71 38 56",
"output": "33"
},
{
"input": "82 21 80",
"output": "61"
},
{
"input": "75 8 35",
"output": "67"
},
{
"input": "75 24 28",
"output": "51"
},
{
"input": "78 23 56",
"output": "55"
},
{
"input": "85 31 10",
"output": "75"
},
{
"input": "76 50 9",
"output": "67"
},
{
"input": "95 37 34",
"output": "61"
},
{
"input": "84 61 35",
"output": "49"
},
{
"input": "87 85 37",
"output": "50"
},
{
"input": "1 3 2",
"output": "2"
},
{
"input": "4 2 6",
"output": "4"
},
{
"input": "6 9 3",
"output": "6"
},
{
"input": "12 4 8",
"output": "8"
},
{
"input": "15 10 5",
"output": "10"
},
{
"input": "1 50 17",
"output": "49"
},
{
"input": "10 5 15",
"output": "10"
},
{
"input": "8 1 9",
"output": "8"
},
{
"input": "3 5 4",
"output": "2"
},
{
"input": "2 1 3",
"output": "2"
},
{
"input": "1 8 2",
"output": "7"
},
{
"input": "1 100 2",
"output": "99"
},
{
"input": "1 4 6",
"output": "5"
}
] | 1,678,945,766
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 0
| 15
| 0
|
#new year problem
x1=int(input("enter x1"))
x2=int(input("enter x2"))
x3=int(input("enter x3"))
k1=x3>x1>x2
k2=x3>x2>x1
k3=x1>x2>x3
k4=x1>x3>x2
k5=x2>x3>x1
k6=x1>x2>x3
if k1:
print("total distance=",x3-x2)
if k2:
print("total distance=",x3-x1)
if k3:
print("total distance=",x1-x3)
if k4:
print("total distance=",x1-x2)
if k5:
print("total distance=",x2-x1)
if k6:
print("total distance=",x1-x3)
|
Title: The New Year: Meeting Friends
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
There are three friend living on the straight line *Ox* in Lineland. The first friend lives at the point *x*1, the second friend lives at the point *x*2, and the third friend lives at the point *x*3. They plan to celebrate the New Year together, so they need to meet at one point. What is the minimum total distance they have to travel in order to meet at some point and celebrate the New Year?
It's guaranteed that the optimal answer is always integer.
Input Specification:
The first line of the input contains three distinct integers *x*1, *x*2 and *x*3 (1<=≤<=*x*1,<=*x*2,<=*x*3<=≤<=100) — the coordinates of the houses of the first, the second and the third friends respectively.
Output Specification:
Print one integer — the minimum total distance the friends need to travel in order to meet together.
Demo Input:
['7 1 4\n', '30 20 10\n']
Demo Output:
['6\n', '20\n']
Note:
In the first sample, friends should meet at the point 4. Thus, the first friend has to travel the distance of 3 (from the point 7 to the point 4), the second friend also has to travel the distance of 3 (from the point 1 to the point 4), while the third friend should not go anywhere because he lives at the point 4.
|
```python
#new year problem
x1=int(input("enter x1"))
x2=int(input("enter x2"))
x3=int(input("enter x3"))
k1=x3>x1>x2
k2=x3>x2>x1
k3=x1>x2>x3
k4=x1>x3>x2
k5=x2>x3>x1
k6=x1>x2>x3
if k1:
print("total distance=",x3-x2)
if k2:
print("total distance=",x3-x1)
if k3:
print("total distance=",x1-x3)
if k4:
print("total distance=",x1-x2)
if k5:
print("total distance=",x2-x1)
if k6:
print("total distance=",x1-x3)
```
| -1
|
|
69
|
A
|
Young Physicist
|
PROGRAMMING
| 1,000
|
[
"implementation",
"math"
] |
A. Young Physicist
|
2
|
256
|
A guy named Vasya attends the final grade of a high school. One day Vasya decided to watch a match of his favorite hockey team. And, as the boy loves hockey very much, even more than physics, he forgot to do the homework. Specifically, he forgot to complete his physics tasks. Next day the teacher got very angry at Vasya and decided to teach him a lesson. He gave the lazy student a seemingly easy task: You are given an idle body in space and the forces that affect it. The body can be considered as a material point with coordinates (0; 0; 0). Vasya had only to answer whether it is in equilibrium. "Piece of cake" — thought Vasya, we need only to check if the sum of all vectors is equal to 0. So, Vasya began to solve the problem. But later it turned out that there can be lots and lots of these forces, and Vasya can not cope without your help. Help him. Write a program that determines whether a body is idle or is moving by the given vectors of forces.
|
The first line contains a positive integer *n* (1<=≤<=*n*<=≤<=100), then follow *n* lines containing three integers each: the *x**i* coordinate, the *y**i* coordinate and the *z**i* coordinate of the force vector, applied to the body (<=-<=100<=≤<=*x**i*,<=*y**i*,<=*z**i*<=≤<=100).
|
Print the word "YES" if the body is in equilibrium, or the word "NO" if it is not.
|
[
"3\n4 1 7\n-2 4 -1\n1 -5 -3\n",
"3\n3 -1 7\n-5 2 -4\n2 -1 -3\n"
] |
[
"NO",
"YES"
] |
none
| 500
|
[
{
"input": "3\n4 1 7\n-2 4 -1\n1 -5 -3",
"output": "NO"
},
{
"input": "3\n3 -1 7\n-5 2 -4\n2 -1 -3",
"output": "YES"
},
{
"input": "10\n21 32 -46\n43 -35 21\n42 2 -50\n22 40 20\n-27 -9 38\n-4 1 1\n-40 6 -31\n-13 -2 34\n-21 34 -12\n-32 -29 41",
"output": "NO"
},
{
"input": "10\n25 -33 43\n-27 -42 28\n-35 -20 19\n41 -42 -1\n49 -39 -4\n-49 -22 7\n-19 29 41\n8 -27 -43\n8 34 9\n-11 -3 33",
"output": "NO"
},
{
"input": "10\n-6 21 18\n20 -11 -8\n37 -11 41\n-5 8 33\n29 23 32\n30 -33 -11\n39 -49 -36\n28 34 -49\n22 29 -34\n-18 -6 7",
"output": "NO"
},
{
"input": "10\n47 -2 -27\n0 26 -14\n5 -12 33\n2 18 3\n45 -30 -49\n4 -18 8\n-46 -44 -41\n-22 -10 -40\n-35 -21 26\n33 20 38",
"output": "NO"
},
{
"input": "13\n-3 -36 -46\n-11 -50 37\n42 -11 -15\n9 42 44\n-29 -12 24\n3 9 -40\n-35 13 50\n14 43 18\n-13 8 24\n-48 -15 10\n50 9 -50\n21 0 -50\n0 0 -6",
"output": "YES"
},
{
"input": "14\n43 23 17\n4 17 44\n5 -5 -16\n-43 -7 -6\n47 -48 12\n50 47 -45\n2 14 43\n37 -30 15\n4 -17 -11\n17 9 -45\n-50 -3 -8\n-50 0 0\n-50 0 0\n-16 0 0",
"output": "YES"
},
{
"input": "13\n29 49 -11\n38 -11 -20\n25 1 -40\n-11 28 11\n23 -19 1\n45 -41 -17\n-3 0 -19\n-13 -33 49\n-30 0 28\n34 17 45\n-50 9 -27\n-50 0 0\n-37 0 0",
"output": "YES"
},
{
"input": "12\n3 28 -35\n-32 -44 -17\n9 -25 -6\n-42 -22 20\n-19 15 38\n-21 38 48\n-1 -37 -28\n-10 -13 -50\n-5 21 29\n34 28 50\n50 11 -49\n34 0 0",
"output": "YES"
},
{
"input": "37\n-64 -79 26\n-22 59 93\n-5 39 -12\n77 -9 76\n55 -86 57\n83 100 -97\n-70 94 84\n-14 46 -94\n26 72 35\n14 78 -62\n17 82 92\n-57 11 91\n23 15 92\n-80 -1 1\n12 39 18\n-23 -99 -75\n-34 50 19\n-39 84 -7\n45 -30 -39\n-60 49 37\n45 -16 -72\n33 -51 -56\n-48 28 5\n97 91 88\n45 -82 -11\n-21 -15 -90\n-53 73 -26\n-74 85 -90\n-40 23 38\n100 -13 49\n32 -100 -100\n0 -100 -70\n0 -100 0\n0 -100 0\n0 -100 0\n0 -100 0\n0 -37 0",
"output": "YES"
},
{
"input": "4\n68 3 100\n68 21 -100\n-100 -24 0\n-36 0 0",
"output": "YES"
},
{
"input": "33\n-1 -46 -12\n45 -16 -21\n-11 45 -21\n-60 -42 -93\n-22 -45 93\n37 96 85\n-76 26 83\n-4 9 55\n7 -52 -9\n66 8 -85\n-100 -54 11\n-29 59 74\n-24 12 2\n-56 81 85\n-92 69 -52\n-26 -97 91\n54 59 -51\n58 21 -57\n7 68 56\n-47 -20 -51\n-59 77 -13\n-85 27 91\n79 60 -56\n66 -80 5\n21 -99 42\n-31 -29 98\n66 93 76\n-49 45 61\n100 -100 -100\n100 -100 -100\n66 -75 -100\n0 0 -100\n0 0 -87",
"output": "YES"
},
{
"input": "3\n1 2 3\n3 2 1\n0 0 0",
"output": "NO"
},
{
"input": "2\n5 -23 12\n0 0 0",
"output": "NO"
},
{
"input": "1\n0 0 0",
"output": "YES"
},
{
"input": "1\n1 -2 0",
"output": "NO"
},
{
"input": "2\n-23 77 -86\n23 -77 86",
"output": "YES"
},
{
"input": "26\n86 7 20\n-57 -64 39\n-45 6 -93\n-44 -21 100\n-11 -49 21\n73 -71 -80\n-2 -89 56\n-65 -2 7\n5 14 84\n57 41 13\n-12 69 54\n40 -25 27\n-17 -59 0\n64 -91 -30\n-53 9 42\n-54 -8 14\n-35 82 27\n-48 -59 -80\n88 70 79\n94 57 97\n44 63 25\n84 -90 -40\n-100 100 -100\n-92 100 -100\n0 10 -100\n0 0 -82",
"output": "YES"
},
{
"input": "42\n11 27 92\n-18 -56 -57\n1 71 81\n33 -92 30\n82 83 49\n-87 -61 -1\n-49 45 49\n73 26 15\n-22 22 -77\n29 -93 87\n-68 44 -90\n-4 -84 20\n85 67 -6\n-39 26 77\n-28 -64 20\n65 -97 24\n-72 -39 51\n35 -75 -91\n39 -44 -8\n-25 -27 -57\n91 8 -46\n-98 -94 56\n94 -60 59\n-9 -95 18\n-53 -37 98\n-8 -94 -84\n-52 55 60\n15 -14 37\n65 -43 -25\n94 12 66\n-8 -19 -83\n29 81 -78\n-58 57 33\n24 86 -84\n-53 32 -88\n-14 7 3\n89 97 -53\n-5 -28 -91\n-100 100 -6\n-84 100 0\n0 100 0\n0 70 0",
"output": "YES"
},
{
"input": "3\n96 49 -12\n2 -66 28\n-98 17 -16",
"output": "YES"
},
{
"input": "5\n70 -46 86\n-100 94 24\n-27 63 -63\n57 -100 -47\n0 -11 0",
"output": "YES"
},
{
"input": "18\n-86 -28 70\n-31 -89 42\n31 -48 -55\n95 -17 -43\n24 -95 -85\n-21 -14 31\n68 -18 81\n13 31 60\n-15 28 99\n-42 15 9\n28 -61 -62\n-16 71 29\n-28 75 -48\n-77 -67 36\n-100 83 89\n100 100 -100\n57 34 -100\n0 0 -53",
"output": "YES"
},
{
"input": "44\n52 -54 -29\n-82 -5 -94\n-54 43 43\n91 16 71\n7 80 -91\n3 15 29\n-99 -6 -77\n-3 -77 -64\n73 67 34\n25 -10 -18\n-29 91 63\n-72 86 -16\n-68 85 -81\n-3 36 44\n-74 -14 -80\n34 -96 -97\n-76 -78 -33\n-24 44 -58\n98 12 77\n95 -63 -6\n-51 3 -90\n-92 -10 72\n7 3 -68\n57 -53 71\n29 57 -48\n35 -60 10\n79 -70 -61\n-20 77 55\n-86 -15 -35\n84 -88 -18\n100 -42 77\n-20 46 8\n-41 -43 -65\n38 -98 -23\n-100 65 45\n-7 -91 -63\n46 88 -85\n48 59 100\n0 0 100\n0 0 100\n0 0 100\n0 0 100\n0 0 100\n0 0 1",
"output": "YES"
},
{
"input": "18\n-14 -64 -91\n-8 -66 -86\n-23 92 -40\n6 -3 -53\n57 41 78\n-79 42 -22\n-88 -17 45\n4 -45 44\n83 -18 -25\n34 86 -92\n75 -30 12\n44 99 11\n-67 -13 72\n22 83 -56\n-37 71 72\n-9 -100 100\n0 -100 31\n0 -58 0",
"output": "YES"
},
{
"input": "23\n-70 37 78\n42 84 6\n28 -94 -24\n-49 76 95\n-67 18 84\n-53 78 -5\n65 -63 -64\n-66 -64 -69\n81 -93 95\n10 52 -79\n-89 -61 -64\n-64 -47 43\n-81 -35 55\n80 82 73\n-60 -81 -18\n49 -10 -19\n-58 70 12\n-24 -15 -93\n98 -93 -54\n-28 -75 11\n100 100 -63\n100 100 0\n56 34 0",
"output": "YES"
},
{
"input": "3\n0 2 -2\n1 -1 3\n-3 0 0",
"output": "NO"
}
] | 1,492,341,144
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 81
| 124
| 5,529,600
|
n = int(input())
answer = [0, 0, 0]
for i in range(n):
x, y, z = [int(x) for x in input().split()]
answer[0] = answer[0] + x
answer[1] = answer[1] + y
answer[2] = answer[2] + z
if answer == [0, 0, 0]:
print('YES')
else:
print('NO')
|
Title: Young Physicist
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
A guy named Vasya attends the final grade of a high school. One day Vasya decided to watch a match of his favorite hockey team. And, as the boy loves hockey very much, even more than physics, he forgot to do the homework. Specifically, he forgot to complete his physics tasks. Next day the teacher got very angry at Vasya and decided to teach him a lesson. He gave the lazy student a seemingly easy task: You are given an idle body in space and the forces that affect it. The body can be considered as a material point with coordinates (0; 0; 0). Vasya had only to answer whether it is in equilibrium. "Piece of cake" — thought Vasya, we need only to check if the sum of all vectors is equal to 0. So, Vasya began to solve the problem. But later it turned out that there can be lots and lots of these forces, and Vasya can not cope without your help. Help him. Write a program that determines whether a body is idle or is moving by the given vectors of forces.
Input Specification:
The first line contains a positive integer *n* (1<=≤<=*n*<=≤<=100), then follow *n* lines containing three integers each: the *x**i* coordinate, the *y**i* coordinate and the *z**i* coordinate of the force vector, applied to the body (<=-<=100<=≤<=*x**i*,<=*y**i*,<=*z**i*<=≤<=100).
Output Specification:
Print the word "YES" if the body is in equilibrium, or the word "NO" if it is not.
Demo Input:
['3\n4 1 7\n-2 4 -1\n1 -5 -3\n', '3\n3 -1 7\n-5 2 -4\n2 -1 -3\n']
Demo Output:
['NO', 'YES']
Note:
none
|
```python
n = int(input())
answer = [0, 0, 0]
for i in range(n):
x, y, z = [int(x) for x in input().split()]
answer[0] = answer[0] + x
answer[1] = answer[1] + y
answer[2] = answer[2] + z
if answer == [0, 0, 0]:
print('YES')
else:
print('NO')
```
| 3.9587
|
556
|
A
|
Case of the Zeros and Ones
|
PROGRAMMING
| 900
|
[
"greedy"
] | null | null |
Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones.
Once he thought about a string of length *n* consisting of zeroes and ones. Consider the following operation: we choose any two adjacent positions in the string, and if one them contains 0, and the other contains 1, then we are allowed to remove these two digits from the string, obtaining a string of length *n*<=-<=2 as a result.
Now Andreid thinks about what is the minimum length of the string that can remain after applying the described operation several times (possibly, zero)? Help him to calculate this number.
|
First line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=2·105), the length of the string that Andreid has.
The second line contains the string of length *n* consisting only from zeros and ones.
|
Output the minimum length of the string that may remain after applying the described operations several times.
|
[
"4\n1100\n",
"5\n01010\n",
"8\n11101111\n"
] |
[
"0\n",
"1\n",
"6\n"
] |
In the first sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/10df55364c21c6e8d5da31b6ab6f6294c4fc26b3.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the second sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/19ec5dcd85f0b5cf757aa076ace72df39634de2d.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the third sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/dc34a159e4230375fa325555527ebc748811f188.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
| 250
|
[
{
"input": "4\n1100",
"output": "0"
},
{
"input": "5\n01010",
"output": "1"
},
{
"input": "8\n11101111",
"output": "6"
},
{
"input": "1\n0",
"output": "1"
},
{
"input": "1\n1",
"output": "1"
},
{
"input": "2\n00",
"output": "2"
},
{
"input": "2\n01",
"output": "0"
},
{
"input": "2\n10",
"output": "0"
},
{
"input": "2\n11",
"output": "2"
},
{
"input": "3\n001",
"output": "1"
},
{
"input": "6\n110110",
"output": "2"
},
{
"input": "7\n0000011",
"output": "3"
},
{
"input": "6\n110010",
"output": "0"
},
{
"input": "6\n110100",
"output": "0"
},
{
"input": "3\n100",
"output": "1"
},
{
"input": "6\n010111",
"output": "2"
},
{
"input": "8\n01011100",
"output": "0"
},
{
"input": "6\n001011",
"output": "0"
},
{
"input": "7\n1110000",
"output": "1"
},
{
"input": "9\n011111101",
"output": "5"
}
] | 1,623,120,033
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 77
| 0
|
strr = input()
while True:
if '10' in strr:
strr = strr.replace('10', '')
elif '01' in strr:
strr = strr.replace('01', '')
else:
break
print(len(strr))
|
Title: Case of the Zeros and Ones
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Andrewid the Android is a galaxy-famous detective. In his free time he likes to think about strings containing zeros and ones.
Once he thought about a string of length *n* consisting of zeroes and ones. Consider the following operation: we choose any two adjacent positions in the string, and if one them contains 0, and the other contains 1, then we are allowed to remove these two digits from the string, obtaining a string of length *n*<=-<=2 as a result.
Now Andreid thinks about what is the minimum length of the string that can remain after applying the described operation several times (possibly, zero)? Help him to calculate this number.
Input Specification:
First line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=2·105), the length of the string that Andreid has.
The second line contains the string of length *n* consisting only from zeros and ones.
Output Specification:
Output the minimum length of the string that may remain after applying the described operations several times.
Demo Input:
['4\n1100\n', '5\n01010\n', '8\n11101111\n']
Demo Output:
['0\n', '1\n', '6\n']
Note:
In the first sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/10df55364c21c6e8d5da31b6ab6f6294c4fc26b3.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the second sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/19ec5dcd85f0b5cf757aa076ace72df39634de2d.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
In the third sample test it is possible to change the string like the following: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/dc34a159e4230375fa325555527ebc748811f188.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
|
```python
strr = input()
while True:
if '10' in strr:
strr = strr.replace('10', '')
elif '01' in strr:
strr = strr.replace('01', '')
else:
break
print(len(strr))
```
| 0
|
|
630
|
B
|
Moore's Law
|
PROGRAMMING
| 1,200
|
[
"math"
] | null | null |
The city administration of IT City decided to fix up a symbol of scientific and technical progress in the city's main square, namely an indicator board that shows the effect of Moore's law in real time.
Moore's law is the observation that the number of transistors in a dense integrated circuit doubles approximately every 24 months. The implication of Moore's law is that computer performance as function of time increases exponentially as well.
You are to prepare information that will change every second to display on the indicator board. Let's assume that every second the number of transistors increases exactly 1.000000011 times.
|
The only line of the input contains a pair of integers *n* (1000<=≤<=*n*<=≤<=10 000) and *t* (0<=≤<=*t*<=≤<=2 000 000 000) — the number of transistors in the initial time and the number of seconds passed since the initial time.
|
Output one number — the estimate of the number of transistors in a dence integrated circuit in *t* seconds since the initial time. The relative error of your answer should not be greater than 10<=-<=6.
|
[
"1000 1000000\n"
] |
[
"1011.060722383550382782399454922040\n"
] |
none
| 0
|
[
{
"input": "1000 1000000",
"output": "1011.060722383550382782399454922040"
},
{
"input": "1000 0",
"output": "1000"
},
{
"input": "1000 1",
"output": "1000.000011000"
},
{
"input": "1000 2",
"output": "1000.000022000000121000"
},
{
"input": "10000 3",
"output": "10000.000330000003630000013310000"
},
{
"input": "10000 2000000000",
"output": "35849124123571.66604124267909180280"
},
{
"input": "4907 244618708",
"output": "72346.60521729832602747499118899866"
},
{
"input": "9030 982505993",
"output": "446019624.4250800721903194914485562"
},
{
"input": "4054 287739817",
"output": "96047.41901816849953518710733057692"
},
{
"input": "1587 1941728048",
"output": "2996928752532.893524588882808611548"
}
] | 1,693,176,225
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 10
| 62
| 0
|
n, t = [int(x) for x in input().split()]
tasa = 1.000000011
incremento = tasa**t
print(n*incremento)
|
Title: Moore's Law
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
The city administration of IT City decided to fix up a symbol of scientific and technical progress in the city's main square, namely an indicator board that shows the effect of Moore's law in real time.
Moore's law is the observation that the number of transistors in a dense integrated circuit doubles approximately every 24 months. The implication of Moore's law is that computer performance as function of time increases exponentially as well.
You are to prepare information that will change every second to display on the indicator board. Let's assume that every second the number of transistors increases exactly 1.000000011 times.
Input Specification:
The only line of the input contains a pair of integers *n* (1000<=≤<=*n*<=≤<=10 000) and *t* (0<=≤<=*t*<=≤<=2 000 000 000) — the number of transistors in the initial time and the number of seconds passed since the initial time.
Output Specification:
Output one number — the estimate of the number of transistors in a dence integrated circuit in *t* seconds since the initial time. The relative error of your answer should not be greater than 10<=-<=6.
Demo Input:
['1000 1000000\n']
Demo Output:
['1011.060722383550382782399454922040\n']
Note:
none
|
```python
n, t = [int(x) for x in input().split()]
tasa = 1.000000011
incremento = tasa**t
print(n*incremento)
```
| 3
|
|
46
|
C
|
Hamsters and Tigers
|
PROGRAMMING
| 1,600
|
[
"two pointers"
] |
C. Hamsters and Tigers
|
2
|
256
|
Today there is going to be an unusual performance at the circus — hamsters and tigers will perform together! All of them stand in circle along the arena edge and now the trainer faces a difficult task: he wants to swap the animals' positions so that all the hamsters stood together and all the tigers also stood together. The trainer swaps the animals in pairs not to create a mess. He orders two animals to step out of the circle and swap places. As hamsters feel highly uncomfortable when tigers are nearby as well as tigers get nervous when there's so much potential prey around (consisting not only of hamsters but also of yummier spectators), the trainer wants to spend as little time as possible moving the animals, i.e. he wants to achieve it with the minimal number of swaps. Your task is to help him.
|
The first line contains number *n* (2<=≤<=*n*<=≤<=1000) which indicates the total number of animals in the arena. The second line contains the description of the animals' positions. The line consists of *n* symbols "H" and "T". The "H"s correspond to hamsters and the "T"s correspond to tigers. It is guaranteed that at least one hamster and one tiger are present on the arena. The animals are given in the order in which they are located circle-wise, in addition, the last animal stands near the first one.
|
Print the single number which is the minimal number of swaps that let the trainer to achieve his goal.
|
[
"3\nHTH\n",
"9\nHTHTHTHHT\n"
] |
[
"0\n",
"2\n"
] |
In the first example we shouldn't move anybody because the animals of each species already stand apart from the other species. In the second example you may swap, for example, the tiger in position 2 with the hamster in position 5 and then — the tiger in position 9 with the hamster in position 7.
| 0
|
[
{
"input": "3\nHTH",
"output": "0"
},
{
"input": "9\nHTHTHTHHT",
"output": "2"
},
{
"input": "2\nTH",
"output": "0"
},
{
"input": "4\nHTTH",
"output": "0"
},
{
"input": "4\nHTHT",
"output": "1"
},
{
"input": "7\nTTTHTTT",
"output": "0"
},
{
"input": "8\nHHTHHTHH",
"output": "1"
},
{
"input": "13\nHTTTHHHTTTTHH",
"output": "3"
},
{
"input": "20\nTTHTHTHHTHTTHHTTTHHH",
"output": "4"
},
{
"input": "35\nTTTTTTHTTHTTTTTHTTTTTTTTTTTHTHTTTTT",
"output": "3"
},
{
"input": "120\nTTTTTTTHTHTHTTTTTHTHTTTTHTTTTTTTTTTTTTTTTTTTTHTTHTTTTHTTHTTTTTTTTTTTTTTTHTTTTTTHTHTTHTTTTTTHTTTTTTTTTHTTHTTTTHTTTHTTTTTH",
"output": "14"
},
{
"input": "19\nHHHHHHHHHHHHHTTTHHH",
"output": "0"
},
{
"input": "87\nHTHHTTHHHHTHHHHHTTTHHTHHHHTTTTHHHTTHHTHTHTHHTTHTHHTHTHTTHHHTTTTTHTTHHHHHHTHHTHHTHTTHTHH",
"output": "17"
},
{
"input": "178\nTHHHTHTTTHTTHTTHHHHHTTTHTTHHTHTTTHTHTTTTTHHHTHTHHHTHHHTTTTTTTTHHHHTTHHTHHHHTHTTTHHHHHHTHHTHTTHTHTTTTTTTTTHHTTHHTHTTHHTHHHHHTTHHTTHHTTHHHTTHHTTTTHTHHHTHTTHTHTTTHHHHTHHTHHHTHTTTTTT",
"output": "40"
}
] | 1,692,175,651
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 0
| 62
| 0
|
def max_beauty_string(n, k, s):
max_beauty = 0
left = 0
max_count = 0
counts = [0, 0] # counts[0] for 'a', counts[1] for 'b'
for right in range(n):
counts[ord(s[right]) - ord('a')] += 1
max_count = max(max_count, counts[0], counts[1])
while right - left + 1 - max_count > k:
counts[ord(s[left]) - ord('a')] -= 1
left += 1
max_beauty = max(max_beauty, right - left + 1)
return max_beauty
# Read input
n, k = map(int, input().split())
s = input()
# Calculate and print the result
result = max_beauty_string(n, k, s)
print(result)
#mycode
|
Title: Hamsters and Tigers
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Today there is going to be an unusual performance at the circus — hamsters and tigers will perform together! All of them stand in circle along the arena edge and now the trainer faces a difficult task: he wants to swap the animals' positions so that all the hamsters stood together and all the tigers also stood together. The trainer swaps the animals in pairs not to create a mess. He orders two animals to step out of the circle and swap places. As hamsters feel highly uncomfortable when tigers are nearby as well as tigers get nervous when there's so much potential prey around (consisting not only of hamsters but also of yummier spectators), the trainer wants to spend as little time as possible moving the animals, i.e. he wants to achieve it with the minimal number of swaps. Your task is to help him.
Input Specification:
The first line contains number *n* (2<=≤<=*n*<=≤<=1000) which indicates the total number of animals in the arena. The second line contains the description of the animals' positions. The line consists of *n* symbols "H" and "T". The "H"s correspond to hamsters and the "T"s correspond to tigers. It is guaranteed that at least one hamster and one tiger are present on the arena. The animals are given in the order in which they are located circle-wise, in addition, the last animal stands near the first one.
Output Specification:
Print the single number which is the minimal number of swaps that let the trainer to achieve his goal.
Demo Input:
['3\nHTH\n', '9\nHTHTHTHHT\n']
Demo Output:
['0\n', '2\n']
Note:
In the first example we shouldn't move anybody because the animals of each species already stand apart from the other species. In the second example you may swap, for example, the tiger in position 2 with the hamster in position 5 and then — the tiger in position 9 with the hamster in position 7.
|
```python
def max_beauty_string(n, k, s):
max_beauty = 0
left = 0
max_count = 0
counts = [0, 0] # counts[0] for 'a', counts[1] for 'b'
for right in range(n):
counts[ord(s[right]) - ord('a')] += 1
max_count = max(max_count, counts[0], counts[1])
while right - left + 1 - max_count > k:
counts[ord(s[left]) - ord('a')] -= 1
left += 1
max_beauty = max(max_beauty, right - left + 1)
return max_beauty
# Read input
n, k = map(int, input().split())
s = input()
# Calculate and print the result
result = max_beauty_string(n, k, s)
print(result)
#mycode
```
| -1
|
16
|
B
|
Burglar and Matches
|
PROGRAMMING
| 900
|
[
"greedy",
"implementation",
"sortings"
] |
B. Burglar and Matches
|
0
|
64
|
A burglar got into a matches warehouse and wants to steal as many matches as possible. In the warehouse there are *m* containers, in the *i*-th container there are *a**i* matchboxes, and each matchbox contains *b**i* matches. All the matchboxes are of the same size. The burglar's rucksack can hold *n* matchboxes exactly. Your task is to find out the maximum amount of matches that a burglar can carry away. He has no time to rearrange matches in the matchboxes, that's why he just chooses not more than *n* matchboxes so that the total amount of matches in them is maximal.
|
The first line of the input contains integer *n* (1<=≤<=*n*<=≤<=2·108) and integer *m* (1<=≤<=*m*<=≤<=20). The *i*<=+<=1-th line contains a pair of numbers *a**i* and *b**i* (1<=≤<=*a**i*<=≤<=108,<=1<=≤<=*b**i*<=≤<=10). All the input numbers are integer.
|
Output the only number — answer to the problem.
|
[
"7 3\n5 10\n2 5\n3 6\n",
"3 3\n1 3\n2 2\n3 1\n"
] |
[
"62\n",
"7\n"
] |
none
| 0
|
[
{
"input": "7 3\n5 10\n2 5\n3 6",
"output": "62"
},
{
"input": "3 3\n1 3\n2 2\n3 1",
"output": "7"
},
{
"input": "1 1\n1 2",
"output": "2"
},
{
"input": "1 2\n1 9\n1 6",
"output": "9"
},
{
"input": "1 10\n1 1\n1 9\n1 3\n1 9\n1 7\n1 10\n1 4\n1 7\n1 3\n1 1",
"output": "10"
},
{
"input": "2 1\n2 1",
"output": "2"
},
{
"input": "2 2\n2 4\n1 4",
"output": "8"
},
{
"input": "2 3\n1 7\n1 2\n1 5",
"output": "12"
},
{
"input": "4 1\n2 2",
"output": "4"
},
{
"input": "4 2\n1 10\n4 4",
"output": "22"
},
{
"input": "4 3\n1 4\n6 4\n1 7",
"output": "19"
},
{
"input": "5 1\n10 5",
"output": "25"
},
{
"input": "5 2\n3 9\n2 2",
"output": "31"
},
{
"input": "5 5\n2 9\n3 1\n2 1\n1 8\n2 8",
"output": "42"
},
{
"input": "5 10\n1 3\n1 2\n1 9\n1 10\n1 1\n1 5\n1 10\n1 2\n1 3\n1 7",
"output": "41"
},
{
"input": "10 1\n9 4",
"output": "36"
},
{
"input": "10 2\n14 3\n1 3",
"output": "30"
},
{
"input": "10 7\n4 8\n1 10\n1 10\n1 2\n3 3\n1 3\n1 10",
"output": "71"
},
{
"input": "10 10\n1 8\n2 10\n1 9\n1 1\n1 9\n1 6\n1 4\n2 5\n1 2\n1 4",
"output": "70"
},
{
"input": "10 4\n1 5\n5 2\n1 9\n3 3",
"output": "33"
},
{
"input": "100 5\n78 6\n29 10\n3 6\n7 3\n2 4",
"output": "716"
},
{
"input": "1000 7\n102 10\n23 6\n79 4\n48 1\n34 10\n839 8\n38 4",
"output": "8218"
},
{
"input": "10000 10\n336 2\n2782 5\n430 10\n1893 7\n3989 10\n2593 8\n165 6\n1029 2\n2097 4\n178 10",
"output": "84715"
},
{
"input": "100000 3\n2975 2\n35046 4\n61979 9",
"output": "703945"
},
{
"input": "1000000 4\n314183 9\n304213 4\n16864 5\n641358 9",
"output": "8794569"
},
{
"input": "10000000 10\n360313 10\n416076 1\n435445 9\n940322 7\n1647581 7\n4356968 10\n3589256 2\n2967933 5\n2747504 7\n1151633 3",
"output": "85022733"
},
{
"input": "100000000 7\n32844337 7\n11210848 7\n47655987 1\n33900472 4\n9174763 2\n32228738 10\n29947408 5",
"output": "749254060"
},
{
"input": "200000000 10\n27953106 7\n43325979 4\n4709522 1\n10975786 4\n67786538 8\n48901838 7\n15606185 6\n2747583 1\n100000000 1\n633331 3",
"output": "1332923354"
},
{
"input": "200000000 9\n17463897 9\n79520463 1\n162407 4\n41017993 8\n71054118 4\n9447587 2\n5298038 9\n3674560 7\n20539314 5",
"output": "996523209"
},
{
"input": "200000000 8\n6312706 6\n2920548 2\n16843192 3\n1501141 2\n13394704 6\n10047725 10\n4547663 6\n54268518 6",
"output": "630991750"
},
{
"input": "200000000 7\n25621043 2\n21865270 1\n28833034 1\n22185073 5\n100000000 2\n13891017 9\n61298710 8",
"output": "931584598"
},
{
"input": "200000000 6\n7465600 6\n8453505 10\n4572014 8\n8899499 3\n86805622 10\n64439238 6",
"output": "1447294907"
},
{
"input": "200000000 5\n44608415 6\n100000000 9\n51483223 9\n44136047 1\n52718517 1",
"output": "1634907859"
},
{
"input": "200000000 4\n37758556 10\n100000000 6\n48268521 3\n20148178 10",
"output": "1305347138"
},
{
"input": "200000000 3\n65170000 7\n20790088 1\n74616133 4",
"output": "775444620"
},
{
"input": "200000000 2\n11823018 6\n100000000 9",
"output": "970938108"
},
{
"input": "200000000 1\n100000000 6",
"output": "600000000"
},
{
"input": "200000000 10\n12097724 9\n41745972 5\n26982098 9\n14916995 7\n21549986 7\n3786630 9\n8050858 7\n27994924 4\n18345001 5\n8435339 5",
"output": "1152034197"
},
{
"input": "200000000 10\n55649 8\n10980981 9\n3192542 8\n94994808 4\n3626106 1\n100000000 6\n5260110 9\n4121453 2\n15125061 4\n669569 6",
"output": "1095537357"
},
{
"input": "10 20\n1 7\n1 7\n1 8\n1 3\n1 10\n1 7\n1 7\n1 9\n1 3\n1 1\n1 2\n1 1\n1 3\n1 10\n1 9\n1 8\n1 8\n1 6\n1 7\n1 5",
"output": "83"
},
{
"input": "10000000 20\n4594 7\n520836 8\n294766 6\n298672 4\n142253 6\n450626 1\n1920034 9\n58282 4\n1043204 1\n683045 1\n1491746 5\n58420 4\n451217 2\n129423 4\n246113 5\n190612 8\n912923 6\n473153 6\n783733 6\n282411 10",
"output": "54980855"
},
{
"input": "200000000 20\n15450824 5\n839717 10\n260084 8\n1140850 8\n28744 6\n675318 3\n25161 2\n5487 3\n6537698 9\n100000000 5\n7646970 9\n16489 6\n24627 3\n1009409 5\n22455 1\n25488456 4\n484528 9\n32663641 3\n750968 4\n5152 6",
"output": "939368573"
},
{
"input": "200000000 20\n16896 2\n113 3\n277 2\n299 7\n69383562 2\n3929 8\n499366 4\n771846 5\n9 4\n1278173 7\n90 2\n54 7\n72199858 10\n17214 5\n3 10\n1981618 3\n3728 2\n141 8\n2013578 9\n51829246 5",
"output": "1158946383"
},
{
"input": "200000000 20\n983125 2\n7453215 9\n9193588 2\n11558049 7\n28666199 1\n34362244 1\n5241493 5\n15451270 4\n19945845 8\n6208681 3\n38300385 7\n6441209 8\n21046742 7\n577198 10\n3826434 8\n9764276 8\n6264675 7\n8567063 3\n3610303 4\n2908232 3",
"output": "1131379312"
},
{
"input": "10 15\n1 6\n2 6\n3 4\n1 3\n1 2\n1 5\n1 6\n1 2\n2 9\n1 10\n1 3\n1 7\n1 8\n1 2\n2 9",
"output": "79"
},
{
"input": "10000000 15\n111 5\n914124 3\n3 9\n177790 1\n2352 3\n32138 9\n104477 1\n1223 4\n18 6\n6655580 4\n57643 10\n94309 2\n37 1\n227002 10\n1733193 7",
"output": "45116295"
},
{
"input": "200000000 15\n7069868 1\n5567826 8\n2310059 10\n13539782 7\n38420939 4\n29911411 8\n52256316 1\n12265839 9\n2074265 1\n24896428 9\n72470695 5\n3236301 1\n3890243 2\n65168965 8\n65724 6",
"output": "1489289257"
},
{
"input": "200000000 15\n12044094 7\n2475138 10\n944451 7\n4854766 2\n3809145 10\n7727571 2\n43908937 6\n2745883 1\n427511 2\n100000000 5\n190914 6\n554889 3\n288798 4\n1848572 5\n893874 3",
"output": "961871671"
},
{
"input": "200000000 15\n6334191 7\n1927941 4\n5175933 10\n468389 1\n433043 10\n6863198 5\n7480646 4\n14774279 10\n2921129 8\n18325627 7\n6973152 9\n8277324 9\n21522856 2\n2058070 1\n2444742 4",
"output": "664376069"
}
] | 1,669,806,267
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 2
| 156
| 0
|
def start():
d={}
s=set()
c=0
n,m=map(int,input().split())
for i in range(m):
a,b=map(int,input().split())
if b in s:
d[b]+=a
else:
d[b]=a
s=sorted(d.items())[::-1]
for i in s:
if n==0:
print(c)
return
if n>=i[1]:
n-=i[1]
c+=i[1]*i[0]
else:
while True:
n-=1
c+=i[0]
if n==0:
print(c)
return
'''while True:
if dd==0:
i += 1
if i==m:
print(c)
return
else:
dd = d[s[i]]
if n==0 or i==m:
print(c)
return
dd -= 1
c+=s[i]
n-=1'''
start()
|
Title: Burglar and Matches
Time Limit: 0 seconds
Memory Limit: 64 megabytes
Problem Description:
A burglar got into a matches warehouse and wants to steal as many matches as possible. In the warehouse there are *m* containers, in the *i*-th container there are *a**i* matchboxes, and each matchbox contains *b**i* matches. All the matchboxes are of the same size. The burglar's rucksack can hold *n* matchboxes exactly. Your task is to find out the maximum amount of matches that a burglar can carry away. He has no time to rearrange matches in the matchboxes, that's why he just chooses not more than *n* matchboxes so that the total amount of matches in them is maximal.
Input Specification:
The first line of the input contains integer *n* (1<=≤<=*n*<=≤<=2·108) and integer *m* (1<=≤<=*m*<=≤<=20). The *i*<=+<=1-th line contains a pair of numbers *a**i* and *b**i* (1<=≤<=*a**i*<=≤<=108,<=1<=≤<=*b**i*<=≤<=10). All the input numbers are integer.
Output Specification:
Output the only number — answer to the problem.
Demo Input:
['7 3\n5 10\n2 5\n3 6\n', '3 3\n1 3\n2 2\n3 1\n']
Demo Output:
['62\n', '7\n']
Note:
none
|
```python
def start():
d={}
s=set()
c=0
n,m=map(int,input().split())
for i in range(m):
a,b=map(int,input().split())
if b in s:
d[b]+=a
else:
d[b]=a
s=sorted(d.items())[::-1]
for i in s:
if n==0:
print(c)
return
if n>=i[1]:
n-=i[1]
c+=i[1]*i[0]
else:
while True:
n-=1
c+=i[0]
if n==0:
print(c)
return
'''while True:
if dd==0:
i += 1
if i==m:
print(c)
return
else:
dd = d[s[i]]
if n==0 or i==m:
print(c)
return
dd -= 1
c+=s[i]
n-=1'''
start()
```
| 0
|
758
|
A
|
Holiday Of Equality
|
PROGRAMMING
| 800
|
[
"implementation",
"math"
] | null | null |
In Berland it is the holiday of equality. In honor of the holiday the king decided to equalize the welfare of all citizens in Berland by the expense of the state treasury.
Totally in Berland there are *n* citizens, the welfare of each of them is estimated as the integer in *a**i* burles (burle is the currency in Berland).
You are the royal treasurer, which needs to count the minimum charges of the kingdom on the king's present. The king can only give money, he hasn't a power to take away them.
|
The first line contains the integer *n* (1<=≤<=*n*<=≤<=100) — the number of citizens in the kingdom.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n*, where *a**i* (0<=≤<=*a**i*<=≤<=106) — the welfare of the *i*-th citizen.
|
In the only line print the integer *S* — the minimum number of burles which are had to spend.
|
[
"5\n0 1 2 3 4\n",
"5\n1 1 0 1 1\n",
"3\n1 3 1\n",
"1\n12\n"
] |
[
"10",
"1",
"4",
"0"
] |
In the first example if we add to the first citizen 4 burles, to the second 3, to the third 2 and to the fourth 1, then the welfare of all citizens will equal 4.
In the second example it is enough to give one burle to the third citizen.
In the third example it is necessary to give two burles to the first and the third citizens to make the welfare of citizens equal 3.
In the fourth example it is possible to give nothing to everyone because all citizens have 12 burles.
| 500
|
[
{
"input": "5\n0 1 2 3 4",
"output": "10"
},
{
"input": "5\n1 1 0 1 1",
"output": "1"
},
{
"input": "3\n1 3 1",
"output": "4"
},
{
"input": "1\n12",
"output": "0"
},
{
"input": "3\n1 2 3",
"output": "3"
},
{
"input": "14\n52518 718438 358883 462189 853171 592966 225788 46977 814826 295697 676256 561479 56545 764281",
"output": "5464380"
},
{
"input": "21\n842556 216391 427181 626688 775504 168309 851038 448402 880826 73697 593338 519033 135115 20128 424606 939484 846242 756907 377058 241543 29353",
"output": "9535765"
},
{
"input": "3\n1 3 2",
"output": "3"
},
{
"input": "3\n2 1 3",
"output": "3"
},
{
"input": "3\n2 3 1",
"output": "3"
},
{
"input": "3\n3 1 2",
"output": "3"
},
{
"input": "3\n3 2 1",
"output": "3"
},
{
"input": "1\n228503",
"output": "0"
},
{
"input": "2\n32576 550340",
"output": "517764"
},
{
"input": "3\n910648 542843 537125",
"output": "741328"
},
{
"input": "4\n751720 572344 569387 893618",
"output": "787403"
},
{
"input": "6\n433864 631347 597596 794426 713555 231193",
"output": "1364575"
},
{
"input": "9\n31078 645168 695751 126111 375934 150495 838412 434477 993107",
"output": "4647430"
},
{
"input": "30\n315421 772664 560686 654312 151528 356749 351486 707462 820089 226682 546700 136028 824236 842130 578079 337807 665903 764100 617900 822937 992759 591749 651310 742085 767695 695442 17967 515106 81059 186025",
"output": "13488674"
},
{
"input": "45\n908719 394261 815134 419990 926993 383792 772842 277695 527137 655356 684956 695716 273062 550324 106247 399133 442382 33076 462920 294674 846052 817752 421365 474141 290471 358990 109812 74492 543281 169434 919692 786809 24028 197184 310029 801476 699355 429672 51343 374128 776726 850380 293868 981569 550763",
"output": "21993384"
},
{
"input": "56\n100728 972537 13846 385421 756708 184642 259487 319707 376662 221694 675284 972837 499419 13846 38267 289898 901299 831197 954715 197515 514102 910423 127555 883934 362472 870788 538802 741008 973434 448124 391526 363321 947321 544618 68006 782313 955075 741981 815027 723297 585059 718114 700739 413489 454091 736144 308999 98065 3716 347323 9635 289003 986510 607065 60236 273351",
"output": "26984185"
},
{
"input": "70\n644488 5444 150441 714420 602059 335330 510670 196555 546346 740011 509449 850947 692874 524857 750434 952985 223744 374727 896124 753037 367352 679050 560202 172728 569291 778616 332116 286927 843598 372698 244906 498046 900681 709791 420904 724593 864493 813094 791377 39998 296710 625656 403891 579231 706693 984045 16901 574259 562265 761104 930361 256045 124461 538980 573508 372148 988722 108592 784354 55302 232524 277205 782251 299943 436488 743389 324618 742543 266915 99642",
"output": "32816391"
},
{
"input": "1\n0",
"output": "0"
},
{
"input": "1\n1000000",
"output": "0"
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "0"
},
{
"input": "100\n1000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "99000000"
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1000000",
"output": "99000000"
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "99000000"
},
{
"input": "3\n0 0 0",
"output": "0"
},
{
"input": "50\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "0"
},
{
"input": "3\n5 0 0",
"output": "10"
},
{
"input": "5\n2 10 0 0 0",
"output": "38"
}
] | 1,681,378,144
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 41
| 46
| 0
|
input()
a=list(map(int,input().split()))
print(sum(max(a)-i for i in a))
|
Title: Holiday Of Equality
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
In Berland it is the holiday of equality. In honor of the holiday the king decided to equalize the welfare of all citizens in Berland by the expense of the state treasury.
Totally in Berland there are *n* citizens, the welfare of each of them is estimated as the integer in *a**i* burles (burle is the currency in Berland).
You are the royal treasurer, which needs to count the minimum charges of the kingdom on the king's present. The king can only give money, he hasn't a power to take away them.
Input Specification:
The first line contains the integer *n* (1<=≤<=*n*<=≤<=100) — the number of citizens in the kingdom.
The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n*, where *a**i* (0<=≤<=*a**i*<=≤<=106) — the welfare of the *i*-th citizen.
Output Specification:
In the only line print the integer *S* — the minimum number of burles which are had to spend.
Demo Input:
['5\n0 1 2 3 4\n', '5\n1 1 0 1 1\n', '3\n1 3 1\n', '1\n12\n']
Demo Output:
['10', '1', '4', '0']
Note:
In the first example if we add to the first citizen 4 burles, to the second 3, to the third 2 and to the fourth 1, then the welfare of all citizens will equal 4.
In the second example it is enough to give one burle to the third citizen.
In the third example it is necessary to give two burles to the first and the third citizens to make the welfare of citizens equal 3.
In the fourth example it is possible to give nothing to everyone because all citizens have 12 burles.
|
```python
input()
a=list(map(int,input().split()))
print(sum(max(a)-i for i in a))
```
| 3
|
|
963
|
A
|
Alternating Sum
|
PROGRAMMING
| 1,800
|
[
"math",
"number theory"
] | null | null |
You are given two integers $a$ and $b$. Moreover, you are given a sequence $s_0, s_1, \dots, s_{n}$. All values in $s$ are integers $1$ or $-1$. It's known that sequence is $k$-periodic and $k$ divides $n+1$. In other words, for each $k \leq i \leq n$ it's satisfied that $s_{i} = s_{i - k}$.
Find out the non-negative remainder of division of $\sum \limits_{i=0}^{n} s_{i} a^{n - i} b^{i}$ by $10^{9} + 9$.
Note that the modulo is unusual!
|
The first line contains four integers $n, a, b$ and $k$ $(1 \leq n \leq 10^{9}, 1 \leq a, b \leq 10^{9}, 1 \leq k \leq 10^{5})$.
The second line contains a sequence of length $k$ consisting of characters '+' and '-'.
If the $i$-th character (0-indexed) is '+', then $s_{i} = 1$, otherwise $s_{i} = -1$.
Note that only the first $k$ members of the sequence are given, the rest can be obtained using the periodicity property.
|
Output a single integer — value of given expression modulo $10^{9} + 9$.
|
[
"2 2 3 3\n+-+\n",
"4 1 5 1\n-\n"
] |
[
"7\n",
"999999228\n"
] |
In the first example:
$(\sum \limits_{i=0}^{n} s_{i} a^{n - i} b^{i})$ = $2^{2} 3^{0} - 2^{1} 3^{1} + 2^{0} 3^{2}$ = 7
In the second example:
$(\sum \limits_{i=0}^{n} s_{i} a^{n - i} b^{i}) = -1^{4} 5^{0} - 1^{3} 5^{1} - 1^{2} 5^{2} - 1^{1} 5^{3} - 1^{0} 5^{4} = -781 \equiv 999999228 \pmod{10^{9} + 9}$.
| 500
|
[
{
"input": "2 2 3 3\n+-+",
"output": "7"
},
{
"input": "4 1 5 1\n-",
"output": "999999228"
},
{
"input": "1 1 4 2\n-+",
"output": "3"
},
{
"input": "3 1 4 4\n+--+",
"output": "45"
},
{
"input": "5 1 1 6\n++---+",
"output": "0"
},
{
"input": "5 2 2 6\n+--++-",
"output": "0"
},
{
"input": "686653196 115381398 884618610 3\n+-+",
"output": "542231211"
},
{
"input": "608663287 430477711 172252358 8\n-+--+-+-",
"output": "594681696"
},
{
"input": "904132655 827386249 118827660 334\n+++-+++++--+++----+-+-+-+-+--+-+---++--++--++--+-+-+++-+++--+-+-+----+-+-++++-----+--++++------+++-+-+-++-++++++++-+-++-+++--+--++------+--+-+++--++--+---++-++-+-+-++---++-++--+-+-++-+------+-+----+++-+++--+-+-+--+--+--+------+--+---+--+-++--+++---+-+-++--------+-++--++-+-+-+-+-+-+--+-++++-+++--+--++----+--+-++-++--+--+-+-++-+-++++-",
"output": "188208979"
},
{
"input": "234179195 430477711 115381398 12\n++++-+-+-+++",
"output": "549793323"
},
{
"input": "75952547 967294208 907708706 252\n++--++--+++-+-+--++--++++++---+++-++-+-----++++--++-+-++------+-+-+-++-+-+-++++------++---+-++++---+-+-++++--++++++--+-+++-++--+--+---++++---+-+++-+++--+-+--+++++---+--++-++++--++++-+-++-+++-++-----+-+++++----++--+++-+-+++++-+--++-++-+--+-++++--+-+-+-+",
"output": "605712499"
},
{
"input": "74709071 801809249 753674746 18\n++++++-+-+---+-+--",
"output": "13414893"
},
{
"input": "743329 973758 92942 82\n++----+-++++----+--+++---+--++++-+-+---+++++--+--+++++++--++-+++----+--+++++-+--+-",
"output": "299311566"
},
{
"input": "18111 291387 518587 2\n++",
"output": "724471355"
},
{
"input": "996144 218286 837447 1\n-",
"output": "549104837"
},
{
"input": "179358 828426 548710 67\n++++---+--++----+-+-++++----+--+---+------++-+-++++--+----+---+-+--",
"output": "759716474"
},
{
"input": "397521 174985 279760 1\n+",
"output": "25679493"
},
{
"input": "613632 812232 482342 1\n-",
"output": "891965141"
},
{
"input": "936810 183454 647048 1\n+",
"output": "523548992"
},
{
"input": "231531 250371 921383 28\n++-+------+--+--++++--+-+++-",
"output": "134450934"
},
{
"input": "947301 87242 360762 97\n--+++--+++-++--++-++--++--+++---+++--++++--+++++--+-++-++-----+-++-+--++-----+-++-+--++-++-+-----",
"output": "405016159"
},
{
"input": "425583346 814209084 570987274 1\n+",
"output": "63271171"
},
{
"input": "354062556 688076879 786825319 1\n+",
"output": "545304776"
},
{
"input": "206671954 13571766 192250278 1\n+",
"output": "717117421"
},
{
"input": "23047921 621656196 160244047 1\n-",
"output": "101533009"
},
{
"input": "806038018 740585177 987616107 293\n-+++++--++++---++-+--+-+---+-++++--+--+++--++---++++++++--+++++-+-++-+--+----+--+++-+-++-+++-+-+-+----------++-+-+++++++-+-+-+-++---+++-+-+-------+-+-++--++-++-++-++-+---+--++-++--+++--+++-+-+----++--+-+-++-+---+---+-+-+++------+-+++-+---++-+--+++----+++++---++-++--+----+++-+--+++-+------+-++",
"output": "441468166"
},
{
"input": "262060935 184120408 148332034 148\n+--+-------+-+-+--++-+++--++-+-++++++--++-+++-+++--+-------+-+--+++-+-+-+---++-++-+-++---+--+-+-+--+------+++--+--+-+-+---+---+-+-++++---+++--+++---",
"output": "700325386"
},
{
"input": "919350941 654611542 217223605 186\n++-++-+++++-+++--+---+++++++-++-+----+-++--+-++--++--+++-+++---+--+--++-+-+++-+-+++-++---+--+++-+-+++--+-+-------+-++------++---+-+---++-++-++---+-+--+-+--+++++---+--+--++++-++-++--+--++",
"output": "116291420"
},
{
"input": "289455627 906207104 512692624 154\n-------++--+++---++-++------++----------+--+++-+-+++---+---+++--++++++--+-+-+--+---+-+-++-++--+-++--++++---+-+---+-----+--+-+---------+++-++---++-+-+-----",
"output": "48198216"
},
{
"input": "258833760 515657142 791267045 1\n-",
"output": "935800888"
},
{
"input": "691617927 66917103 843055237 8\n--+++---",
"output": "147768186"
},
{
"input": "379582849 362892355 986900829 50\n++-++---+-+++++--++++--+--++--++-----+------++--+-",
"output": "927469713"
},
{
"input": "176799169 363368399 841293419 1\n+",
"output": "746494802"
},
{
"input": "144808247 203038656 166324035 4\n-+-+",
"output": "909066471"
},
{
"input": "477607531 177367565 20080950 2\n++",
"output": "928662830"
},
{
"input": "682074525 289438443 917164266 1\n+",
"output": "28048785"
},
{
"input": "938449224 59852396 219719125 1\n-",
"output": "648647459"
},
{
"input": "395171426 872478622 193568600 147\n+---++---+-+--+++++--+---+-++++-+-++---++++--+--+-+-++-+-++--------++---+++-+---++---+---+-+--+-++++-+++-+-+-++-+--+++-++-+-+-+-++++++-+---+---++--",
"output": "460881399"
},
{
"input": "403493428 317461491 556701240 1\n-",
"output": "936516261"
},
{
"input": "917751169 330191895 532837377 70\n-+-+++++++--++---++-+++++-+++-----+-+++---+--+-+-++-++-+-+-++-++-+----",
"output": "908035409"
},
{
"input": "252089413 552678586 938424519 1\n-",
"output": "627032736"
},
{
"input": "649316142 320010793 200197645 1\n-",
"output": "323650777"
},
{
"input": "116399299 784781190 299072480 5\n++++-",
"output": "754650814"
}
] | 1,537,813,595
| 2,147,483,647
|
Python 3
|
TIME_LIMIT_EXCEEDED
|
TESTS
| 6
| 1,000
| 204,800
|
n,a,b,k=[int(x) for x in input().split()]
s=list(input())
p=[]
for x in range(n+1):
p.append(1 if s[x%k] == '+' else -1)
suma=0
for x in range(n+1):
suma+=p[x]*(a**(n-x))*(b**x)
print(suma%(1000000009))
|
Title: Alternating Sum
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
You are given two integers $a$ and $b$. Moreover, you are given a sequence $s_0, s_1, \dots, s_{n}$. All values in $s$ are integers $1$ or $-1$. It's known that sequence is $k$-periodic and $k$ divides $n+1$. In other words, for each $k \leq i \leq n$ it's satisfied that $s_{i} = s_{i - k}$.
Find out the non-negative remainder of division of $\sum \limits_{i=0}^{n} s_{i} a^{n - i} b^{i}$ by $10^{9} + 9$.
Note that the modulo is unusual!
Input Specification:
The first line contains four integers $n, a, b$ and $k$ $(1 \leq n \leq 10^{9}, 1 \leq a, b \leq 10^{9}, 1 \leq k \leq 10^{5})$.
The second line contains a sequence of length $k$ consisting of characters '+' and '-'.
If the $i$-th character (0-indexed) is '+', then $s_{i} = 1$, otherwise $s_{i} = -1$.
Note that only the first $k$ members of the sequence are given, the rest can be obtained using the periodicity property.
Output Specification:
Output a single integer — value of given expression modulo $10^{9} + 9$.
Demo Input:
['2 2 3 3\n+-+\n', '4 1 5 1\n-\n']
Demo Output:
['7\n', '999999228\n']
Note:
In the first example:
$(\sum \limits_{i=0}^{n} s_{i} a^{n - i} b^{i})$ = $2^{2} 3^{0} - 2^{1} 3^{1} + 2^{0} 3^{2}$ = 7
In the second example:
$(\sum \limits_{i=0}^{n} s_{i} a^{n - i} b^{i}) = -1^{4} 5^{0} - 1^{3} 5^{1} - 1^{2} 5^{2} - 1^{1} 5^{3} - 1^{0} 5^{4} = -781 \equiv 999999228 \pmod{10^{9} + 9}$.
|
```python
n,a,b,k=[int(x) for x in input().split()]
s=list(input())
p=[]
for x in range(n+1):
p.append(1 if s[x%k] == '+' else -1)
suma=0
for x in range(n+1):
suma+=p[x]*(a**(n-x))*(b**x)
print(suma%(1000000009))
```
| 0
|
|
464
|
C
|
Substitutes in Number
|
PROGRAMMING
| 2,100
|
[
"dp"
] | null | null |
Andrew and Eugene are playing a game. Initially, Andrew has string *s*, consisting of digits. Eugene sends Andrew multiple queries of type "*d**i*<=→<=*t**i*", that means "replace all digits *d**i* in string *s* with substrings equal to *t**i*". For example, if *s*<==<=123123, then query "2<=→<=00" transforms *s* to 10031003, and query "3<=→<=" ("replace 3 by an empty string") transforms it to *s*<==<=1212. After all the queries Eugene asks Andrew to find the remainder after division of number with decimal representation equal to *s* by 1000000007 (109<=+<=7). When you represent *s* as a decimal number, please ignore the leading zeroes; also if *s* is an empty string, then it's assumed that the number equals to zero.
Andrew got tired of processing Eugene's requests manually and he asked you to write a program for that. Help him!
|
The first line contains string *s* (1<=≤<=|*s*|<=≤<=105), consisting of digits — the string before processing all the requests.
The second line contains a single integer *n* (0<=≤<=*n*<=≤<=105) — the number of queries.
The next *n* lines contain the descriptions of the queries. The *i*-th query is described by string "*d**i*->*t**i*", where *d**i* is exactly one digit (from 0 to 9), *t**i* is a string consisting of digits (*t**i* can be an empty string). The sum of lengths of *t**i* for all queries doesn't exceed 105. The queries are written in the order in which they need to be performed.
|
Print a single integer — remainder of division of the resulting number by 1000000007 (109<=+<=7).
|
[
"123123\n1\n2->00\n",
"123123\n1\n3->\n",
"222\n2\n2->0\n0->7\n",
"1000000008\n0\n"
] |
[
"10031003\n",
"1212\n",
"777\n",
"1\n"
] |
Note that the leading zeroes are not removed from string *s* after the replacement (you can see it in the third sample).
| 1,500
|
[
{
"input": "123123\n1\n2->00",
"output": "10031003"
},
{
"input": "123123\n1\n3->",
"output": "1212"
},
{
"input": "222\n2\n2->0\n0->7",
"output": "777"
},
{
"input": "1000000008\n0",
"output": "1"
},
{
"input": "100\n5\n1->301\n0->013\n1->013\n0->103\n0->103",
"output": "624761980"
},
{
"input": "21222\n10\n1->\n2->1\n1->1\n1->1\n1->1\n1->22\n2->2\n2->1\n1->21\n1->",
"output": "22222222"
},
{
"input": "21122\n10\n1->\n2->12\n1->\n2->21\n2->\n1->21\n1->\n2->12\n2->\n1->21",
"output": "212121"
},
{
"input": "7048431802\n3\n0->9285051\n0->785476659\n6->3187205",
"output": "106409986"
},
{
"input": "1\n10\n1->111\n1->111\n1->111\n1->111\n1->111\n1->111\n1->111\n1->111\n1->111\n1->111",
"output": "97443114"
},
{
"input": "80125168586785605523636285409060490408816122518314\n0",
"output": "410301862"
},
{
"input": "4432535330257407726572090980499847187198996038948464049414107600178053433384837707125968777715401617\n10\n1->\n3->\n5->\n2->\n9->\n0->\n4->\n6->\n7->\n8->",
"output": "0"
},
{
"input": "332434109630379\n20\n7->1\n0->2\n3->6\n1->8\n6->8\n4->0\n9->8\n2->4\n4->8\n0->1\n1->7\n7->3\n3->4\n4->6\n6->3\n8->4\n3->8\n4->2\n2->8\n8->1",
"output": "110333334"
},
{
"input": "88296041076454194379\n20\n5->62\n8->48\n4->\n1->60\n9->00\n6->16\n0->03\n6->\n3->\n1->\n7->02\n2->35\n8->86\n5->\n3->34\n4->\n8->\n0->\n3->46\n6->84",
"output": "425093096"
},
{
"input": "19693141406182378241404307417907800263629336520110\n49\n2->\n0->\n3->\n9->\n6->\n5->\n1->\n4->\n8->\n7->0649713852\n0->\n4->\n5->\n3->\n1->\n8->\n7->\n9->\n6->\n2->2563194780\n0->\n8->\n1->\n3->\n5->\n4->\n7->\n2->\n6->\n9->8360512479\n0->\n3->\n6->\n4->\n2->\n9->\n7->\n1->\n8->\n5->8036451792\n7->\n6->\n5->\n1->\n2->\n0->\n8->\n9->\n4->",
"output": "3333"
}
] | 1,410,369,152
| 2,147,483,647
|
Python 3
|
RUNTIME_ERROR
|
TESTS
| 10
| 140
| 102,400
|
__author__ = 'hamed1soleimani'
data = input()
n = int(input())
for i in range(n):
query = input()
data = data.replace(query[0], query[3:])
print(int(data) % 1000000007)
|
Title: Substitutes in Number
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Andrew and Eugene are playing a game. Initially, Andrew has string *s*, consisting of digits. Eugene sends Andrew multiple queries of type "*d**i*<=→<=*t**i*", that means "replace all digits *d**i* in string *s* with substrings equal to *t**i*". For example, if *s*<==<=123123, then query "2<=→<=00" transforms *s* to 10031003, and query "3<=→<=" ("replace 3 by an empty string") transforms it to *s*<==<=1212. After all the queries Eugene asks Andrew to find the remainder after division of number with decimal representation equal to *s* by 1000000007 (109<=+<=7). When you represent *s* as a decimal number, please ignore the leading zeroes; also if *s* is an empty string, then it's assumed that the number equals to zero.
Andrew got tired of processing Eugene's requests manually and he asked you to write a program for that. Help him!
Input Specification:
The first line contains string *s* (1<=≤<=|*s*|<=≤<=105), consisting of digits — the string before processing all the requests.
The second line contains a single integer *n* (0<=≤<=*n*<=≤<=105) — the number of queries.
The next *n* lines contain the descriptions of the queries. The *i*-th query is described by string "*d**i*->*t**i*", where *d**i* is exactly one digit (from 0 to 9), *t**i* is a string consisting of digits (*t**i* can be an empty string). The sum of lengths of *t**i* for all queries doesn't exceed 105. The queries are written in the order in which they need to be performed.
Output Specification:
Print a single integer — remainder of division of the resulting number by 1000000007 (109<=+<=7).
Demo Input:
['123123\n1\n2->00\n', '123123\n1\n3->\n', '222\n2\n2->0\n0->7\n', '1000000008\n0\n']
Demo Output:
['10031003\n', '1212\n', '777\n', '1\n']
Note:
Note that the leading zeroes are not removed from string *s* after the replacement (you can see it in the third sample).
|
```python
__author__ = 'hamed1soleimani'
data = input()
n = int(input())
for i in range(n):
query = input()
data = data.replace(query[0], query[3:])
print(int(data) % 1000000007)
```
| -1
|
|
69
|
A
|
Young Physicist
|
PROGRAMMING
| 1,000
|
[
"implementation",
"math"
] |
A. Young Physicist
|
2
|
256
|
A guy named Vasya attends the final grade of a high school. One day Vasya decided to watch a match of his favorite hockey team. And, as the boy loves hockey very much, even more than physics, he forgot to do the homework. Specifically, he forgot to complete his physics tasks. Next day the teacher got very angry at Vasya and decided to teach him a lesson. He gave the lazy student a seemingly easy task: You are given an idle body in space and the forces that affect it. The body can be considered as a material point with coordinates (0; 0; 0). Vasya had only to answer whether it is in equilibrium. "Piece of cake" — thought Vasya, we need only to check if the sum of all vectors is equal to 0. So, Vasya began to solve the problem. But later it turned out that there can be lots and lots of these forces, and Vasya can not cope without your help. Help him. Write a program that determines whether a body is idle or is moving by the given vectors of forces.
|
The first line contains a positive integer *n* (1<=≤<=*n*<=≤<=100), then follow *n* lines containing three integers each: the *x**i* coordinate, the *y**i* coordinate and the *z**i* coordinate of the force vector, applied to the body (<=-<=100<=≤<=*x**i*,<=*y**i*,<=*z**i*<=≤<=100).
|
Print the word "YES" if the body is in equilibrium, or the word "NO" if it is not.
|
[
"3\n4 1 7\n-2 4 -1\n1 -5 -3\n",
"3\n3 -1 7\n-5 2 -4\n2 -1 -3\n"
] |
[
"NO",
"YES"
] |
none
| 500
|
[
{
"input": "3\n4 1 7\n-2 4 -1\n1 -5 -3",
"output": "NO"
},
{
"input": "3\n3 -1 7\n-5 2 -4\n2 -1 -3",
"output": "YES"
},
{
"input": "10\n21 32 -46\n43 -35 21\n42 2 -50\n22 40 20\n-27 -9 38\n-4 1 1\n-40 6 -31\n-13 -2 34\n-21 34 -12\n-32 -29 41",
"output": "NO"
},
{
"input": "10\n25 -33 43\n-27 -42 28\n-35 -20 19\n41 -42 -1\n49 -39 -4\n-49 -22 7\n-19 29 41\n8 -27 -43\n8 34 9\n-11 -3 33",
"output": "NO"
},
{
"input": "10\n-6 21 18\n20 -11 -8\n37 -11 41\n-5 8 33\n29 23 32\n30 -33 -11\n39 -49 -36\n28 34 -49\n22 29 -34\n-18 -6 7",
"output": "NO"
},
{
"input": "10\n47 -2 -27\n0 26 -14\n5 -12 33\n2 18 3\n45 -30 -49\n4 -18 8\n-46 -44 -41\n-22 -10 -40\n-35 -21 26\n33 20 38",
"output": "NO"
},
{
"input": "13\n-3 -36 -46\n-11 -50 37\n42 -11 -15\n9 42 44\n-29 -12 24\n3 9 -40\n-35 13 50\n14 43 18\n-13 8 24\n-48 -15 10\n50 9 -50\n21 0 -50\n0 0 -6",
"output": "YES"
},
{
"input": "14\n43 23 17\n4 17 44\n5 -5 -16\n-43 -7 -6\n47 -48 12\n50 47 -45\n2 14 43\n37 -30 15\n4 -17 -11\n17 9 -45\n-50 -3 -8\n-50 0 0\n-50 0 0\n-16 0 0",
"output": "YES"
},
{
"input": "13\n29 49 -11\n38 -11 -20\n25 1 -40\n-11 28 11\n23 -19 1\n45 -41 -17\n-3 0 -19\n-13 -33 49\n-30 0 28\n34 17 45\n-50 9 -27\n-50 0 0\n-37 0 0",
"output": "YES"
},
{
"input": "12\n3 28 -35\n-32 -44 -17\n9 -25 -6\n-42 -22 20\n-19 15 38\n-21 38 48\n-1 -37 -28\n-10 -13 -50\n-5 21 29\n34 28 50\n50 11 -49\n34 0 0",
"output": "YES"
},
{
"input": "37\n-64 -79 26\n-22 59 93\n-5 39 -12\n77 -9 76\n55 -86 57\n83 100 -97\n-70 94 84\n-14 46 -94\n26 72 35\n14 78 -62\n17 82 92\n-57 11 91\n23 15 92\n-80 -1 1\n12 39 18\n-23 -99 -75\n-34 50 19\n-39 84 -7\n45 -30 -39\n-60 49 37\n45 -16 -72\n33 -51 -56\n-48 28 5\n97 91 88\n45 -82 -11\n-21 -15 -90\n-53 73 -26\n-74 85 -90\n-40 23 38\n100 -13 49\n32 -100 -100\n0 -100 -70\n0 -100 0\n0 -100 0\n0 -100 0\n0 -100 0\n0 -37 0",
"output": "YES"
},
{
"input": "4\n68 3 100\n68 21 -100\n-100 -24 0\n-36 0 0",
"output": "YES"
},
{
"input": "33\n-1 -46 -12\n45 -16 -21\n-11 45 -21\n-60 -42 -93\n-22 -45 93\n37 96 85\n-76 26 83\n-4 9 55\n7 -52 -9\n66 8 -85\n-100 -54 11\n-29 59 74\n-24 12 2\n-56 81 85\n-92 69 -52\n-26 -97 91\n54 59 -51\n58 21 -57\n7 68 56\n-47 -20 -51\n-59 77 -13\n-85 27 91\n79 60 -56\n66 -80 5\n21 -99 42\n-31 -29 98\n66 93 76\n-49 45 61\n100 -100 -100\n100 -100 -100\n66 -75 -100\n0 0 -100\n0 0 -87",
"output": "YES"
},
{
"input": "3\n1 2 3\n3 2 1\n0 0 0",
"output": "NO"
},
{
"input": "2\n5 -23 12\n0 0 0",
"output": "NO"
},
{
"input": "1\n0 0 0",
"output": "YES"
},
{
"input": "1\n1 -2 0",
"output": "NO"
},
{
"input": "2\n-23 77 -86\n23 -77 86",
"output": "YES"
},
{
"input": "26\n86 7 20\n-57 -64 39\n-45 6 -93\n-44 -21 100\n-11 -49 21\n73 -71 -80\n-2 -89 56\n-65 -2 7\n5 14 84\n57 41 13\n-12 69 54\n40 -25 27\n-17 -59 0\n64 -91 -30\n-53 9 42\n-54 -8 14\n-35 82 27\n-48 -59 -80\n88 70 79\n94 57 97\n44 63 25\n84 -90 -40\n-100 100 -100\n-92 100 -100\n0 10 -100\n0 0 -82",
"output": "YES"
},
{
"input": "42\n11 27 92\n-18 -56 -57\n1 71 81\n33 -92 30\n82 83 49\n-87 -61 -1\n-49 45 49\n73 26 15\n-22 22 -77\n29 -93 87\n-68 44 -90\n-4 -84 20\n85 67 -6\n-39 26 77\n-28 -64 20\n65 -97 24\n-72 -39 51\n35 -75 -91\n39 -44 -8\n-25 -27 -57\n91 8 -46\n-98 -94 56\n94 -60 59\n-9 -95 18\n-53 -37 98\n-8 -94 -84\n-52 55 60\n15 -14 37\n65 -43 -25\n94 12 66\n-8 -19 -83\n29 81 -78\n-58 57 33\n24 86 -84\n-53 32 -88\n-14 7 3\n89 97 -53\n-5 -28 -91\n-100 100 -6\n-84 100 0\n0 100 0\n0 70 0",
"output": "YES"
},
{
"input": "3\n96 49 -12\n2 -66 28\n-98 17 -16",
"output": "YES"
},
{
"input": "5\n70 -46 86\n-100 94 24\n-27 63 -63\n57 -100 -47\n0 -11 0",
"output": "YES"
},
{
"input": "18\n-86 -28 70\n-31 -89 42\n31 -48 -55\n95 -17 -43\n24 -95 -85\n-21 -14 31\n68 -18 81\n13 31 60\n-15 28 99\n-42 15 9\n28 -61 -62\n-16 71 29\n-28 75 -48\n-77 -67 36\n-100 83 89\n100 100 -100\n57 34 -100\n0 0 -53",
"output": "YES"
},
{
"input": "44\n52 -54 -29\n-82 -5 -94\n-54 43 43\n91 16 71\n7 80 -91\n3 15 29\n-99 -6 -77\n-3 -77 -64\n73 67 34\n25 -10 -18\n-29 91 63\n-72 86 -16\n-68 85 -81\n-3 36 44\n-74 -14 -80\n34 -96 -97\n-76 -78 -33\n-24 44 -58\n98 12 77\n95 -63 -6\n-51 3 -90\n-92 -10 72\n7 3 -68\n57 -53 71\n29 57 -48\n35 -60 10\n79 -70 -61\n-20 77 55\n-86 -15 -35\n84 -88 -18\n100 -42 77\n-20 46 8\n-41 -43 -65\n38 -98 -23\n-100 65 45\n-7 -91 -63\n46 88 -85\n48 59 100\n0 0 100\n0 0 100\n0 0 100\n0 0 100\n0 0 100\n0 0 1",
"output": "YES"
},
{
"input": "18\n-14 -64 -91\n-8 -66 -86\n-23 92 -40\n6 -3 -53\n57 41 78\n-79 42 -22\n-88 -17 45\n4 -45 44\n83 -18 -25\n34 86 -92\n75 -30 12\n44 99 11\n-67 -13 72\n22 83 -56\n-37 71 72\n-9 -100 100\n0 -100 31\n0 -58 0",
"output": "YES"
},
{
"input": "23\n-70 37 78\n42 84 6\n28 -94 -24\n-49 76 95\n-67 18 84\n-53 78 -5\n65 -63 -64\n-66 -64 -69\n81 -93 95\n10 52 -79\n-89 -61 -64\n-64 -47 43\n-81 -35 55\n80 82 73\n-60 -81 -18\n49 -10 -19\n-58 70 12\n-24 -15 -93\n98 -93 -54\n-28 -75 11\n100 100 -63\n100 100 0\n56 34 0",
"output": "YES"
},
{
"input": "3\n0 2 -2\n1 -1 3\n-3 0 0",
"output": "NO"
}
] | 1,645,981,344
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 81
| 92
| 0
|
n = int(input())
forces = []
for i in range(n):
forces.append(list(map(int,input().split())))
x,y,z = 0,0,0
x = [i[0] for i in forces]
y = [i[1] for i in forces]
z = [i[2] for i in forces]
if sum(x) == 0 and sum(y) == 0 and sum(z) == 0:
print("YES")
else:
print("NO")
|
Title: Young Physicist
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
A guy named Vasya attends the final grade of a high school. One day Vasya decided to watch a match of his favorite hockey team. And, as the boy loves hockey very much, even more than physics, he forgot to do the homework. Specifically, he forgot to complete his physics tasks. Next day the teacher got very angry at Vasya and decided to teach him a lesson. He gave the lazy student a seemingly easy task: You are given an idle body in space and the forces that affect it. The body can be considered as a material point with coordinates (0; 0; 0). Vasya had only to answer whether it is in equilibrium. "Piece of cake" — thought Vasya, we need only to check if the sum of all vectors is equal to 0. So, Vasya began to solve the problem. But later it turned out that there can be lots and lots of these forces, and Vasya can not cope without your help. Help him. Write a program that determines whether a body is idle or is moving by the given vectors of forces.
Input Specification:
The first line contains a positive integer *n* (1<=≤<=*n*<=≤<=100), then follow *n* lines containing three integers each: the *x**i* coordinate, the *y**i* coordinate and the *z**i* coordinate of the force vector, applied to the body (<=-<=100<=≤<=*x**i*,<=*y**i*,<=*z**i*<=≤<=100).
Output Specification:
Print the word "YES" if the body is in equilibrium, or the word "NO" if it is not.
Demo Input:
['3\n4 1 7\n-2 4 -1\n1 -5 -3\n', '3\n3 -1 7\n-5 2 -4\n2 -1 -3\n']
Demo Output:
['NO', 'YES']
Note:
none
|
```python
n = int(input())
forces = []
for i in range(n):
forces.append(list(map(int,input().split())))
x,y,z = 0,0,0
x = [i[0] for i in forces]
y = [i[1] for i in forces]
z = [i[2] for i in forces]
if sum(x) == 0 and sum(y) == 0 and sum(z) == 0:
print("YES")
else:
print("NO")
```
| 3.977
|
761
|
D
|
Dasha and Very Difficult Problem
|
PROGRAMMING
| 1,700
|
[
"binary search",
"brute force",
"constructive algorithms",
"greedy",
"sortings"
] | null | null |
Dasha logged into the system and began to solve problems. One of them is as follows:
Given two sequences *a* and *b* of length *n* each you need to write a sequence *c* of length *n*, the *i*-th element of which is calculated as follows: *c**i*<==<=*b**i*<=-<=*a**i*.
About sequences *a* and *b* we know that their elements are in the range from *l* to *r*. More formally, elements satisfy the following conditions: *l*<=≤<=*a**i*<=≤<=*r* and *l*<=≤<=*b**i*<=≤<=*r*. About sequence *c* we know that all its elements are distinct.
Dasha wrote a solution to that problem quickly, but checking her work on the standard test was not so easy. Due to an error in the test system only the sequence *a* and the compressed sequence of the sequence *c* were known from that test.
Let's give the definition to a compressed sequence. A compressed sequence of sequence *c* of length *n* is a sequence *p* of length *n*, so that *p**i* equals to the number of integers which are less than or equal to *c**i* in the sequence *c*. For example, for the sequence *c*<==<=[250,<=200,<=300,<=100,<=50] the compressed sequence will be *p*<==<=[4,<=3,<=5,<=2,<=1]. Pay attention that in *c* all integers are distinct. Consequently, the compressed sequence contains all integers from 1 to *n* inclusively.
Help Dasha to find any sequence *b* for which the calculated compressed sequence of sequence *c* is correct.
|
The first line contains three integers *n*, *l*, *r* (1<=≤<=*n*<=≤<=105,<=1<=≤<=*l*<=≤<=*r*<=≤<=109) — the length of the sequence and boundaries of the segment where the elements of sequences *a* and *b* are.
The next line contains *n* integers *a*1,<=<=*a*2,<=<=...,<=<=*a**n* (*l*<=≤<=*a**i*<=≤<=*r*) — the elements of the sequence *a*.
The next line contains *n* distinct integers *p*1,<=<=*p*2,<=<=...,<=<=*p**n* (1<=≤<=*p**i*<=≤<=*n*) — the compressed sequence of the sequence *c*.
|
If there is no the suitable sequence *b*, then in the only line print "-1".
Otherwise, in the only line print *n* integers — the elements of any suitable sequence *b*.
|
[
"5 1 5\n1 1 1 1 1\n3 1 5 4 2\n",
"4 2 9\n3 4 8 9\n3 2 1 4\n",
"6 1 5\n1 1 1 1 1 1\n2 3 5 4 1 6\n"
] |
[
"3 1 5 4 2 ",
"2 2 2 9 ",
"-1\n"
] |
Sequence *b* which was found in the second sample is suitable, because calculated sequence *c* = [2 - 3, 2 - 4, 2 - 8, 9 - 9] = [ - 1, - 2, - 6, 0] (note that *c*<sub class="lower-index">*i*</sub> = *b*<sub class="lower-index">*i*</sub> - *a*<sub class="lower-index">*i*</sub>) has compressed sequence equals to *p* = [3, 2, 1, 4].
| 2,000
|
[
{
"input": "5 1 5\n1 1 1 1 1\n3 1 5 4 2",
"output": "3 1 5 4 2 "
},
{
"input": "4 2 9\n3 4 8 9\n3 2 1 4",
"output": "2 2 2 9 "
},
{
"input": "6 1 5\n1 1 1 1 1 1\n2 3 5 4 1 6",
"output": "-1"
},
{
"input": "5 1 7\n1 4 4 6 5\n5 2 1 4 3",
"output": "2 2 1 6 4 "
},
{
"input": "5 10 100\n12 14 15 11 13\n4 2 1 5 3",
"output": "10 10 10 10 10 "
},
{
"input": "2 1 1000000000\n1000000000 1\n2 1",
"output": "-1"
},
{
"input": "2 1 1000000000\n1000000000 1\n1 2",
"output": "1 1 "
},
{
"input": "5 1 5\n1 1 1 1 1\n1 2 3 4 5",
"output": "1 2 3 4 5 "
},
{
"input": "5 1 5\n1 1 1 1 1\n2 3 1 5 4",
"output": "2 3 1 5 4 "
},
{
"input": "1 1000000000 1000000000\n1000000000\n1",
"output": "1000000000 "
},
{
"input": "6 3 7\n6 7 5 5 5 5\n2 1 4 3 5 6",
"output": "3 3 4 3 5 6 "
},
{
"input": "3 5 100\n10 50 100\n3 2 1",
"output": "5 5 5 "
},
{
"input": "10 1 10\n9 2 9 5 5 2 6 8 2 8\n2 10 1 6 7 8 5 3 9 4",
"output": "2 3 1 2 3 1 2 2 2 3 "
},
{
"input": "30 100 200\n102 108 122 116 107 145 195 145 119 110 187 196 140 174 104 190 193 181 118 127 157 111 139 175 173 191 181 105 142 166\n30 26 20 23 27 15 2 14 21 25 6 1 17 10 29 5 3 7 22 19 13 24 18 9 11 4 8 28 16 12",
"output": "100 100 100 100 100 101 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 101 100 100 100 "
},
{
"input": "50 10 15\n13 14 12 14 12 15 13 10 11 11 15 10 14 11 14 12 11 10 10 13 11 13 12 15 14 15 13 15 13 10 12 10 15 15 10 14 11 11 10 14 11 12 13 12 10 11 13 15 14 11\n20 10 25 13 29 6 24 47 37 39 2 44 12 33 9 26 35 49 46 19 38 23 30 5 16 4 21 7 18 45 28 43 1 8 48 15 36 40 50 11 32 27 22 31 42 41 17 3 14 34",
"output": "-1"
},
{
"input": "10 8 10\n8 10 10 9 8 10 10 10 10 10\n9 5 6 8 10 2 7 3 1 4",
"output": "-1"
},
{
"input": "50 1 50\n6 20 27 26 46 35 41 41 4 12 48 13 20 5 35 7 37 3 18 17 22 42 28 1 30 46 38 38 42 29 33 42 8 45 22 40 11 33 12 15 16 49 30 19 29 40 5 12 32 22\n47 27 35 40 31 26 42 19 11 49 37 3 41 34 36 30 16 44 12 4 46 20 14 39 32 25 18 1 21 6 2 17 48 7 5 24 29 33 50 43 8 15 28 23 22 13 45 38 10 9",
"output": "-1"
},
{
"input": "11 5 11\n9 8 7 5 7 5 9 5 10 5 7\n3 4 6 9 5 11 2 10 1 8 7",
"output": "6 6 7 8 6 10 5 9 5 7 8 "
}
] | 1,529,237,758
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 3
| 78
| 0
|
n, l, r = map(int, input().split(' '))
a = list(map(int, input().split(' ')))
c = list(map(int, input().split(' ')))
d = dict(zip(c, range(n)))
b = [0]*n
ckeys = sorted(d, reverse=True)
possible = True
curr = r
curr_diff = r - a[d[ckeys[0]]]
b[d[ckeys[0]]] = r
for ck in ckeys[1:]:
curr_diff -= 1
next_b = a[d[ck]] + curr_diff
if next_b < l or next_b > r:
possible = False
break
b[d[ck]] = next_b
print(-1 if not possible else ' '.join(map(str, b)))
|
Title: Dasha and Very Difficult Problem
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Dasha logged into the system and began to solve problems. One of them is as follows:
Given two sequences *a* and *b* of length *n* each you need to write a sequence *c* of length *n*, the *i*-th element of which is calculated as follows: *c**i*<==<=*b**i*<=-<=*a**i*.
About sequences *a* and *b* we know that their elements are in the range from *l* to *r*. More formally, elements satisfy the following conditions: *l*<=≤<=*a**i*<=≤<=*r* and *l*<=≤<=*b**i*<=≤<=*r*. About sequence *c* we know that all its elements are distinct.
Dasha wrote a solution to that problem quickly, but checking her work on the standard test was not so easy. Due to an error in the test system only the sequence *a* and the compressed sequence of the sequence *c* were known from that test.
Let's give the definition to a compressed sequence. A compressed sequence of sequence *c* of length *n* is a sequence *p* of length *n*, so that *p**i* equals to the number of integers which are less than or equal to *c**i* in the sequence *c*. For example, for the sequence *c*<==<=[250,<=200,<=300,<=100,<=50] the compressed sequence will be *p*<==<=[4,<=3,<=5,<=2,<=1]. Pay attention that in *c* all integers are distinct. Consequently, the compressed sequence contains all integers from 1 to *n* inclusively.
Help Dasha to find any sequence *b* for which the calculated compressed sequence of sequence *c* is correct.
Input Specification:
The first line contains three integers *n*, *l*, *r* (1<=≤<=*n*<=≤<=105,<=1<=≤<=*l*<=≤<=*r*<=≤<=109) — the length of the sequence and boundaries of the segment where the elements of sequences *a* and *b* are.
The next line contains *n* integers *a*1,<=<=*a*2,<=<=...,<=<=*a**n* (*l*<=≤<=*a**i*<=≤<=*r*) — the elements of the sequence *a*.
The next line contains *n* distinct integers *p*1,<=<=*p*2,<=<=...,<=<=*p**n* (1<=≤<=*p**i*<=≤<=*n*) — the compressed sequence of the sequence *c*.
Output Specification:
If there is no the suitable sequence *b*, then in the only line print "-1".
Otherwise, in the only line print *n* integers — the elements of any suitable sequence *b*.
Demo Input:
['5 1 5\n1 1 1 1 1\n3 1 5 4 2\n', '4 2 9\n3 4 8 9\n3 2 1 4\n', '6 1 5\n1 1 1 1 1 1\n2 3 5 4 1 6\n']
Demo Output:
['3 1 5 4 2 ', '2 2 2 9 ', '-1\n']
Note:
Sequence *b* which was found in the second sample is suitable, because calculated sequence *c* = [2 - 3, 2 - 4, 2 - 8, 9 - 9] = [ - 1, - 2, - 6, 0] (note that *c*<sub class="lower-index">*i*</sub> = *b*<sub class="lower-index">*i*</sub> - *a*<sub class="lower-index">*i*</sub>) has compressed sequence equals to *p* = [3, 2, 1, 4].
|
```python
n, l, r = map(int, input().split(' '))
a = list(map(int, input().split(' ')))
c = list(map(int, input().split(' ')))
d = dict(zip(c, range(n)))
b = [0]*n
ckeys = sorted(d, reverse=True)
possible = True
curr = r
curr_diff = r - a[d[ckeys[0]]]
b[d[ckeys[0]]] = r
for ck in ckeys[1:]:
curr_diff -= 1
next_b = a[d[ck]] + curr_diff
if next_b < l or next_b > r:
possible = False
break
b[d[ck]] = next_b
print(-1 if not possible else ' '.join(map(str, b)))
```
| 0
|
|
916
|
A
|
Jamie and Alarm Snooze
|
PROGRAMMING
| 900
|
[
"brute force",
"implementation",
"math"
] | null | null |
Jamie loves sleeping. One day, he decides that he needs to wake up at exactly *hh*:<=*mm*. However, he hates waking up, so he wants to make waking up less painful by setting the alarm at a lucky time. He will then press the snooze button every *x* minutes until *hh*:<=*mm* is reached, and only then he will wake up. He wants to know what is the smallest number of times he needs to press the snooze button.
A time is considered lucky if it contains a digit '7'. For example, 13:<=07 and 17:<=27 are lucky, while 00:<=48 and 21:<=34 are not lucky.
Note that it is not necessary that the time set for the alarm and the wake-up time are on the same day. It is guaranteed that there is a lucky time Jamie can set so that he can wake at *hh*:<=*mm*.
Formally, find the smallest possible non-negative integer *y* such that the time representation of the time *x*·*y* minutes before *hh*:<=*mm* contains the digit '7'.
Jamie uses 24-hours clock, so after 23:<=59 comes 00:<=00.
|
The first line contains a single integer *x* (1<=≤<=*x*<=≤<=60).
The second line contains two two-digit integers, *hh* and *mm* (00<=≤<=*hh*<=≤<=23,<=00<=≤<=*mm*<=≤<=59).
|
Print the minimum number of times he needs to press the button.
|
[
"3\n11 23\n",
"5\n01 07\n"
] |
[
"2\n",
"0\n"
] |
In the first sample, Jamie needs to wake up at 11:23. So, he can set his alarm at 11:17. He would press the snooze button when the alarm rings at 11:17 and at 11:20.
In the second sample, Jamie can set his alarm at exactly at 01:07 which is lucky.
| 500
|
[
{
"input": "3\n11 23",
"output": "2"
},
{
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"output": "37"
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"output": "8"
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"output": "8"
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"output": "271"
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{
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}
] | 1,619,872,488
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 254
| 108
| 0
|
x = int(input())
a,b = map(int,input().split())
c = 0
while '7' not in str(a) and '7' not in str(b):
b = b - x
if a < 0:
a+= 24
if b < 0:
b += 60
a -= 1
#print(a,b)
c += 1
print(c)
|
Title: Jamie and Alarm Snooze
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Jamie loves sleeping. One day, he decides that he needs to wake up at exactly *hh*:<=*mm*. However, he hates waking up, so he wants to make waking up less painful by setting the alarm at a lucky time. He will then press the snooze button every *x* minutes until *hh*:<=*mm* is reached, and only then he will wake up. He wants to know what is the smallest number of times he needs to press the snooze button.
A time is considered lucky if it contains a digit '7'. For example, 13:<=07 and 17:<=27 are lucky, while 00:<=48 and 21:<=34 are not lucky.
Note that it is not necessary that the time set for the alarm and the wake-up time are on the same day. It is guaranteed that there is a lucky time Jamie can set so that he can wake at *hh*:<=*mm*.
Formally, find the smallest possible non-negative integer *y* such that the time representation of the time *x*·*y* minutes before *hh*:<=*mm* contains the digit '7'.
Jamie uses 24-hours clock, so after 23:<=59 comes 00:<=00.
Input Specification:
The first line contains a single integer *x* (1<=≤<=*x*<=≤<=60).
The second line contains two two-digit integers, *hh* and *mm* (00<=≤<=*hh*<=≤<=23,<=00<=≤<=*mm*<=≤<=59).
Output Specification:
Print the minimum number of times he needs to press the button.
Demo Input:
['3\n11 23\n', '5\n01 07\n']
Demo Output:
['2\n', '0\n']
Note:
In the first sample, Jamie needs to wake up at 11:23. So, he can set his alarm at 11:17. He would press the snooze button when the alarm rings at 11:17 and at 11:20.
In the second sample, Jamie can set his alarm at exactly at 01:07 which is lucky.
|
```python
x = int(input())
a,b = map(int,input().split())
c = 0
while '7' not in str(a) and '7' not in str(b):
b = b - x
if a < 0:
a+= 24
if b < 0:
b += 60
a -= 1
#print(a,b)
c += 1
print(c)
```
| 3
|
|
754
|
A
|
Lesha and array splitting
|
PROGRAMMING
| 1,200
|
[
"constructive algorithms",
"greedy",
"implementation"
] | null | null |
One spring day on his way to university Lesha found an array *A*. Lesha likes to split arrays into several parts. This time Lesha decided to split the array *A* into several, possibly one, new arrays so that the sum of elements in each of the new arrays is not zero. One more condition is that if we place the new arrays one after another they will form the old array *A*.
Lesha is tired now so he asked you to split the array. Help Lesha!
|
The first line contains single integer *n* (1<=≤<=*n*<=≤<=100) — the number of elements in the array *A*.
The next line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (<=-<=103<=≤<=*a**i*<=≤<=103) — the elements of the array *A*.
|
If it is not possible to split the array *A* and satisfy all the constraints, print single line containing "NO" (without quotes).
Otherwise in the first line print "YES" (without quotes). In the next line print single integer *k* — the number of new arrays. In each of the next *k* lines print two integers *l**i* and *r**i* which denote the subarray *A*[*l**i*... *r**i*] of the initial array *A* being the *i*-th new array. Integers *l**i*, *r**i* should satisfy the following conditions:
- *l*1<==<=1 - *r**k*<==<=*n* - *r**i*<=+<=1<==<=*l**i*<=+<=1 for each 1<=≤<=*i*<=<<=*k*.
If there are multiple answers, print any of them.
|
[
"3\n1 2 -3\n",
"8\n9 -12 3 4 -4 -10 7 3\n",
"1\n0\n",
"4\n1 2 3 -5\n"
] |
[
"YES\n2\n1 2\n3 3\n",
"YES\n2\n1 2\n3 8\n",
"NO\n",
"YES\n4\n1 1\n2 2\n3 3\n4 4\n"
] |
none
| 500
|
[
{
"input": "3\n1 2 -3",
"output": "YES\n3\n1 1\n2 2\n3 3"
},
{
"input": "8\n9 -12 3 4 -4 -10 7 3",
"output": "YES\n8\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8"
},
{
"input": "1\n0",
"output": "NO"
},
{
"input": "4\n1 2 3 -5",
"output": "YES\n4\n1 1\n2 2\n3 3\n4 4"
},
{
"input": "6\n0 0 0 0 0 0",
"output": "NO"
},
{
"input": "100\n507 -724 -243 -846 697 -569 -786 472 756 -272 731 -534 -664 202 592 -381 161 -668 -895 296 472 -868 599 396 -617 310 -283 -118 829 -218 807 939 -152 -343 -96 692 -570 110 442 159 -446 -631 -881 784 894 -3 -792 654 -273 -791 638 -599 -763 586 -812 248 -590 455 926 -402 61 228 209 419 -511 310 -283 857 369 472 -82 -435 -717 -421 862 -384 659 -235 406 793 -167 -504 -432 -951 0 165 36 650 -145 -500 988 -513 -495 -476 312 -754 332 819 -797 -715",
"output": "YES\n99\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60\n61 61\n62 62\n63 63\n64 64\n65 65\n66 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 72\n73 73\n74 74\n75..."
},
{
"input": "100\n1 -2 -1 -1 2 2 0 1 -1 1 0 -2 1 -1 0 -2 -1 -1 2 0 -1 2 0 1 -2 -2 -1 1 2 0 -2 -2 -1 1 1 -1 -2 -1 0 -1 2 1 -1 -2 0 2 1 1 -2 1 1 -1 2 -2 2 0 1 -1 1 -2 0 0 0 0 0 0 -2 -2 2 1 2 2 0 -1 1 1 -2 -2 -2 1 0 2 -1 -2 -1 0 0 0 2 1 -2 0 -2 0 2 1 -2 -1 2 1",
"output": "YES\n78\n1 1\n2 2\n3 3\n4 4\n5 5\n6 7\n8 8\n9 9\n10 11\n12 12\n13 13\n14 15\n16 16\n17 17\n18 18\n19 20\n21 21\n22 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 39\n40 40\n41 41\n42 42\n43 43\n44 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 56\n57 57\n58 58\n59 59\n60 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 73\n74 74\n75 75\n76 76\n77 77\n78 78\n79 79\n80 81\n82 82\n83 83\n84 84\n85 88\n89 89\n90 90\n91 92\n93 94\n95 95\n96 96\n..."
},
{
"input": "7\n0 0 0 0 3 -3 0",
"output": "YES\n2\n1 5\n6 7"
},
{
"input": "5\n0 0 -4 0 0",
"output": "YES\n1\n1 5"
},
{
"input": "100\n2 -38 51 -71 -24 19 35 -27 48 18 64 -4 30 -28 74 -17 -19 -25 54 41 3 -46 -43 -42 87 -76 -62 28 1 32 7 -76 15 0 -82 -33 17 40 -41 -7 43 -18 -27 65 -27 -13 46 -38 75 7 62 -23 7 -12 80 36 37 14 6 -40 -11 -35 -77 -24 -59 75 -41 -21 17 -21 -14 67 -36 16 -1 34 -26 30 -62 -4 -63 15 -49 18 57 7 77 23 -26 8 -20 8 -16 9 50 -24 -33 9 -9 -33",
"output": "YES\n99\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60\n61 61\n62 62\n63 63\n64 64\n65 65\n66 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 72\n73 73\n74 74\n75 75\n76..."
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -38 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n1\n1 100"
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "NO"
},
{
"input": "100\n0 0 -17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n2\n1 34\n35 100"
},
{
"input": "3\n1 -3 3",
"output": "YES\n3\n1 1\n2 2\n3 3"
},
{
"input": "3\n1 0 -1",
"output": "YES\n2\n1 2\n3 3"
},
{
"input": "3\n3 0 0",
"output": "YES\n1\n1 3"
},
{
"input": "3\n0 0 0",
"output": "NO"
},
{
"input": "3\n-3 3 0",
"output": "YES\n2\n1 1\n2 3"
},
{
"input": "4\n3 -2 -1 3",
"output": "YES\n4\n1 1\n2 2\n3 3\n4 4"
},
{
"input": "4\n-1 0 1 0",
"output": "YES\n2\n1 2\n3 4"
},
{
"input": "4\n0 0 0 3",
"output": "YES\n1\n1 4"
},
{
"input": "4\n0 0 0 0",
"output": "NO"
},
{
"input": "4\n3 0 -3 0",
"output": "YES\n2\n1 2\n3 4"
},
{
"input": "5\n-3 2 2 0 -2",
"output": "YES\n4\n1 1\n2 2\n3 4\n5 5"
},
{
"input": "5\n0 -1 2 0 -1",
"output": "YES\n3\n1 2\n3 4\n5 5"
},
{
"input": "5\n0 2 0 0 0",
"output": "YES\n1\n1 5"
},
{
"input": "5\n0 0 0 0 0",
"output": "NO"
},
{
"input": "5\n0 0 0 0 0",
"output": "NO"
},
{
"input": "20\n101 89 -166 -148 -38 -135 -138 193 14 -134 -185 -171 -52 -191 195 39 -148 200 51 -73",
"output": "YES\n20\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20"
},
{
"input": "20\n-118 -5 101 7 9 144 55 -55 -9 -126 -71 -71 189 -64 -187 123 0 -48 -12 138",
"output": "YES\n19\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 17\n18 18\n19 19\n20 20"
},
{
"input": "20\n-161 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n1\n1 20"
},
{
"input": "20\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "NO"
},
{
"input": "20\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 -137 0 0 0 0 137",
"output": "YES\n2\n1 19\n20 20"
},
{
"input": "40\n64 -94 -386 -78 35 -233 33 82 -5 -200 368 -259 124 353 390 -305 -247 -133 379 44 133 -146 151 -217 -16 53 -157 186 -203 -8 117 -71 272 -290 -97 133 52 113 -280 -176",
"output": "YES\n40\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40"
},
{
"input": "40\n120 -96 -216 131 231 -80 -166 -102 16 227 -120 105 43 -83 -53 229 24 190 -268 119 230 348 -33 19 0 -187 -349 -25 80 -38 -30 138 -104 337 -98 0 1 -66 -243 -231",
"output": "YES\n38\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 36\n37 37\n38 38\n39 39\n40 40"
},
{
"input": "40\n0 0 0 0 0 0 324 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n1\n1 40"
},
{
"input": "40\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "NO"
},
{
"input": "40\n0 0 0 0 0 308 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -308 0 0 0 0 0 0 0",
"output": "YES\n2\n1 32\n33 40"
},
{
"input": "60\n-288 -213 -213 -23 496 489 137 -301 -219 -296 -577 269 -153 -52 -505 -138 -377 500 -256 405 588 274 -115 375 -93 117 -360 -160 429 -339 502 310 502 572 -41 -26 152 -203 562 -525 -179 -67 424 62 -329 -127 352 -474 417 -30 518 326 200 -598 471 107 339 107 -9 -244",
"output": "YES\n60\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60"
},
{
"input": "60\n112 141 -146 -389 175 399 -59 327 -41 397 263 -422 157 0 471 -2 -381 -438 99 368 173 9 -171 118 24 111 120 70 11 317 -71 -574 -139 0 -477 -211 -116 -367 16 568 -75 -430 75 -179 -21 156 291 -422 441 -224 -8 -337 -104 381 60 -138 257 91 103 -359",
"output": "YES\n58\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60"
},
{
"input": "60\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -238 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n1\n1 60"
},
{
"input": "60\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "NO"
},
{
"input": "60\n0 0 0 0 0 0 0 0 0 -98 0 0 0 0 0 0 0 0 98 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n2\n1 18\n19 60"
},
{
"input": "80\n-295 -774 -700 -366 -304 -173 -672 288 -721 -256 -348 650 223 211 379 -13 -483 162 800 631 -550 -704 -357 -306 490 713 -80 -234 -669 675 -688 471 315 607 -87 -327 -799 514 248 379 271 325 -244 98 -100 -447 574 -154 554 -377 380 -423 -140 -147 -189 -420 405 464 -110 273 -226 -109 -578 641 -426 -548 214 -184 -397 570 -428 -676 652 -155 127 462 338 534 -782 -481",
"output": "YES\n80\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60\n61 61\n62 62\n63 63\n64 64\n65 65\n66 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 72\n73 73\n74 74\n75..."
},
{
"input": "80\n237 66 409 -208 -460 4 -448 29 -420 -192 -21 -76 -147 435 205 -42 -299 -29 244 -480 -4 -38 2 -214 -311 556 692 111 -19 -84 -90 -350 -354 125 -207 -137 93 367 -481 -462 -440 -92 424 -107 221 -100 -631 -72 105 201 226 -90 197 -264 427 113 202 -144 -115 398 331 147 56 -24 292 -267 -31 -11 202 506 334 -103 534 -155 -472 -124 -257 209 12 360",
"output": "YES\n80\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60\n61 61\n62 62\n63 63\n64 64\n65 65\n66 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 72\n73 73\n74 74\n75..."
},
{
"input": "80\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 668 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n1\n1 80"
},
{
"input": "80\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "NO"
},
{
"input": "80\n0 0 0 0 0 0 0 0 0 0 0 0 -137 137 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n2\n1 13\n14 80"
},
{
"input": "100\n-98 369 544 197 -991 231 399 521 582 -820 -650 -919 -615 -411 -843 -974 231 140 239 -209 721 84 -834 -27 162 460 -157 -40 0 -778 -491 -607 -34 -647 834 -7 -518 -5 -31 -766 -54 -698 -838 497 980 -77 238 549 -135 7 -629 -892 455 181 527 314 465 -321 656 -390 368 384 601 332 561 -1000 -636 -106 412 -216 -58 -365 -155 -445 404 114 260 -392 -20 840 -395 620 -860 -936 1 882 958 536 589 235 300 676 478 434 229 698 157 -95 908 -170",
"output": "YES\n99\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60\n61 61\n62 62\n63 63\n64 64\n65 65\n66 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 72\n73 73\n74 74\n75 75\n76..."
},
{
"input": "100\n-149 -71 -300 288 -677 -580 248 49 -167 264 -215 878 7 252 -239 25 -369 -22 526 -415 -175 173 549 679 161 -411 743 -454 -34 -714 282 -198 -47 -519 -45 71 615 -214 -317 399 86 -97 246 689 -22 -197 -139 237 -501 477 -385 -421 -463 -641 409 -279 538 -382 48 189 652 -696 74 303 6 -183 336 17 -178 -617 -739 280 -202 454 864 218 480 293 -118 -518 -24 -866 -357 410 239 -833 510 316 -168 38 -370 -22 741 470 -60 -507 -209 704 141 -148",
"output": "YES\n100\n1 1\n2 2\n3 3\n4 4\n5 5\n6 6\n7 7\n8 8\n9 9\n10 10\n11 11\n12 12\n13 13\n14 14\n15 15\n16 16\n17 17\n18 18\n19 19\n20 20\n21 21\n22 22\n23 23\n24 24\n25 25\n26 26\n27 27\n28 28\n29 29\n30 30\n31 31\n32 32\n33 33\n34 34\n35 35\n36 36\n37 37\n38 38\n39 39\n40 40\n41 41\n42 42\n43 43\n44 44\n45 45\n46 46\n47 47\n48 48\n49 49\n50 50\n51 51\n52 52\n53 53\n54 54\n55 55\n56 56\n57 57\n58 58\n59 59\n60 60\n61 61\n62 62\n63 63\n64 64\n65 65\n66 66\n67 67\n68 68\n69 69\n70 70\n71 71\n72 72\n73 73\n74 74\n7..."
},
{
"input": "100\n0 0 697 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "YES\n1\n1 100"
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
"output": "NO"
},
{
"input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -475 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 475 0 0 0 0",
"output": "YES\n2\n1 95\n96 100"
},
{
"input": "4\n0 0 3 -3",
"output": "YES\n2\n1 3\n4 4"
},
{
"input": "4\n1 0 0 0",
"output": "YES\n1\n1 4"
},
{
"input": "4\n3 3 3 3",
"output": "YES\n4\n1 1\n2 2\n3 3\n4 4"
},
{
"input": "2\n0 1",
"output": "YES\n1\n1 2"
},
{
"input": "4\n0 -1 1 0",
"output": "YES\n2\n1 2\n3 4"
},
{
"input": "1\n1",
"output": "YES\n1\n1 1"
},
{
"input": "5\n0 0 1 0 0",
"output": "YES\n1\n1 5"
},
{
"input": "4\n0 0 1 0",
"output": "YES\n1\n1 4"
},
{
"input": "10\n1 2 0 0 3 -3 0 0 -3 0",
"output": "YES\n5\n1 1\n2 4\n5 5\n6 8\n9 10"
},
{
"input": "3\n0 -1 0",
"output": "YES\n1\n1 3"
},
{
"input": "2\n1 0",
"output": "YES\n1\n1 2"
},
{
"input": "5\n3 -3 0 0 0",
"output": "YES\n2\n1 1\n2 5"
},
{
"input": "3\n0 1 0",
"output": "YES\n1\n1 3"
},
{
"input": "4\n0 0 0 1",
"output": "YES\n1\n1 4"
},
{
"input": "4\n1 -1 1 -1",
"output": "YES\n4\n1 1\n2 2\n3 3\n4 4"
},
{
"input": "1\n-1",
"output": "YES\n1\n1 1"
},
{
"input": "2\n1 1",
"output": "YES\n2\n1 1\n2 2"
},
{
"input": "2\n1 -1",
"output": "YES\n2\n1 1\n2 2"
},
{
"input": "2\n0 0",
"output": "NO"
},
{
"input": "2\n0 -1",
"output": "YES\n1\n1 2"
},
{
"input": "2\n-1 1",
"output": "YES\n2\n1 1\n2 2"
},
{
"input": "2\n-1 0",
"output": "YES\n1\n1 2"
},
{
"input": "2\n-1 -1",
"output": "YES\n2\n1 1\n2 2"
},
{
"input": "3\n5 -5 5",
"output": "YES\n3\n1 1\n2 2\n3 3"
},
{
"input": "5\n1 0 -1 0 1",
"output": "YES\n3\n1 2\n3 4\n5 5"
},
{
"input": "6\n0 0 0 3 0 0",
"output": "YES\n1\n1 6"
},
{
"input": "3\n1 -1 1",
"output": "YES\n3\n1 1\n2 2\n3 3"
}
] | 1,638,156,683
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 31
| 0
|
n=int(input())
s=list(map(int,input().split()))
ans='NO'
x1,x2=0,0
if(n>1):
for i in range(0,n):
if(s[i]+s[i+1]!=0):
ans='YES'
x1,x2=s[i],s[i+1]
break
if(ans=='YES' or ( n==1 and s[0]!=0)):
print(ans)
print('1')
print(x1,x2)
else:
print(ans)
|
Title: Lesha and array splitting
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
One spring day on his way to university Lesha found an array *A*. Lesha likes to split arrays into several parts. This time Lesha decided to split the array *A* into several, possibly one, new arrays so that the sum of elements in each of the new arrays is not zero. One more condition is that if we place the new arrays one after another they will form the old array *A*.
Lesha is tired now so he asked you to split the array. Help Lesha!
Input Specification:
The first line contains single integer *n* (1<=≤<=*n*<=≤<=100) — the number of elements in the array *A*.
The next line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (<=-<=103<=≤<=*a**i*<=≤<=103) — the elements of the array *A*.
Output Specification:
If it is not possible to split the array *A* and satisfy all the constraints, print single line containing "NO" (without quotes).
Otherwise in the first line print "YES" (without quotes). In the next line print single integer *k* — the number of new arrays. In each of the next *k* lines print two integers *l**i* and *r**i* which denote the subarray *A*[*l**i*... *r**i*] of the initial array *A* being the *i*-th new array. Integers *l**i*, *r**i* should satisfy the following conditions:
- *l*1<==<=1 - *r**k*<==<=*n* - *r**i*<=+<=1<==<=*l**i*<=+<=1 for each 1<=≤<=*i*<=<<=*k*.
If there are multiple answers, print any of them.
Demo Input:
['3\n1 2 -3\n', '8\n9 -12 3 4 -4 -10 7 3\n', '1\n0\n', '4\n1 2 3 -5\n']
Demo Output:
['YES\n2\n1 2\n3 3\n', 'YES\n2\n1 2\n3 8\n', 'NO\n', 'YES\n4\n1 1\n2 2\n3 3\n4 4\n']
Note:
none
|
```python
n=int(input())
s=list(map(int,input().split()))
ans='NO'
x1,x2=0,0
if(n>1):
for i in range(0,n):
if(s[i]+s[i+1]!=0):
ans='YES'
x1,x2=s[i],s[i+1]
break
if(ans=='YES' or ( n==1 and s[0]!=0)):
print(ans)
print('1')
print(x1,x2)
else:
print(ans)
```
| 0
|
|
59
|
A
|
Word
|
PROGRAMMING
| 800
|
[
"implementation",
"strings"
] |
A. Word
|
2
|
256
|
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At that as little as possible letters should be changed in the word. For example, the word HoUse must be replaced with house, and the word ViP — with VIP. If a word contains an equal number of uppercase and lowercase letters, you should replace all the letters with lowercase ones. For example, maTRIx should be replaced by matrix. Your task is to use the given method on one given word.
|
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
|
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
|
[
"HoUse\n",
"ViP\n",
"maTRIx\n"
] |
[
"house\n",
"VIP\n",
"matrix\n"
] |
none
| 500
|
[
{
"input": "HoUse",
"output": "house"
},
{
"input": "ViP",
"output": "VIP"
},
{
"input": "maTRIx",
"output": "matrix"
},
{
"input": "BNHWpnpawg",
"output": "bnhwpnpawg"
},
{
"input": "VTYGP",
"output": "VTYGP"
},
{
"input": "CHNenu",
"output": "chnenu"
},
{
"input": "ERPZGrodyu",
"output": "erpzgrodyu"
},
{
"input": "KSXBXWpebh",
"output": "KSXBXWPEBH"
},
{
"input": "qvxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaiv",
"output": "qvxpqullmcbegsdskddortcvxyqlbvxmmkhevovnezubvpvnrcajpxraeaxizgaowtfkzywvhnbgzsxbhkaipcmoumtikkiyyaiv"
},
{
"input": "Amnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfd",
"output": "amnhaxtaopjzrkqlbroiyipitndczpunwygstmzevgyjdzyanxkdqnvgkikfabwouwkkbzuiuvgvxgpizsvqsbwepktpdrgdkmfd"
},
{
"input": "ISAGFJFARYFBLOPQDSHWGMCNKMFTLVFUGNJEWGWNBLXUIATXEkqiettmmjgydwcpafqrppdsrrrtguinqbgmzzfqwonkpgpcwenv",
"output": "isagfjfaryfblopqdshwgmcnkmftlvfugnjewgwnblxuiatxekqiettmmjgydwcpafqrppdsrrrtguinqbgmzzfqwonkpgpcwenv"
},
{
"input": "XHRPXZEGHSOCJPICUIXSKFUZUPYTSGJSDIYBCMNMNBPNDBXLXBzhbfnqvwcffvrdhtickyqhupmcehlsyvncqmfhautvxudqdhgg",
"output": "xhrpxzeghsocjpicuixskfuzupytsgjsdiybcmnmnbpndbxlxbzhbfnqvwcffvrdhtickyqhupmcehlsyvncqmfhautvxudqdhgg"
},
{
"input": "RJIQZMJCIMSNDBOHBRAWIENODSALETAKGKPYUFGVEFGCBRENZGAdkcetqjljtmttlonpekcovdzebzdkzggwfsxhapmjkdbuceak",
"output": "RJIQZMJCIMSNDBOHBRAWIENODSALETAKGKPYUFGVEFGCBRENZGADKCETQJLJTMTTLONPEKCOVDZEBZDKZGGWFSXHAPMJKDBUCEAK"
},
{
"input": "DWLWOBHNMMGTFOLFAECKBRNNGLYLYDXTGTVRLMEESZOIUATZZZXUFUZDLSJXMEVRTESSFBWLNZZCLCQWEVNNUCXYVHNGNXHCBDFw",
"output": "DWLWOBHNMMGTFOLFAECKBRNNGLYLYDXTGTVRLMEESZOIUATZZZXUFUZDLSJXMEVRTESSFBWLNZZCLCQWEVNNUCXYVHNGNXHCBDFW"
},
{
"input": "NYCNHJWGBOCOTSPETKKHVWFGAQYNHOVJWJHCIEFOUQZXOYUIEQDZALFKTEHTVDBVJMEUBJUBCMNVPWGDPNCHQHZJRCHYRFPVIGUB",
"output": "NYCNHJWGBOCOTSPETKKHVWFGAQYNHOVJWJHCIEFOUQZXOYUIEQDZALFKTEHTVDBVJMEUBJUBCMNVPWGDPNCHQHZJRCHYRFPVIGUB"
},
{
"input": "igxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwge",
"output": "igxoixiecetohtgjgbqzvlaobkhstejxdklghowtvwunnnvauriohuspsdmpzckprwajyxldoyckgjivjpmbfqtszmtocovxwge"
},
{
"input": "Ykkekrsqolzryiwsmdlnbmfautxxxauoojrddvwklgnlyrfcvhorrzbmtcrvpaypqhcffdqhwziipyyskcmztjprjqvmzzqhqnw",
"output": "ykkekrsqolzryiwsmdlnbmfautxxxauoojrddvwklgnlyrfcvhorrzbmtcrvpaypqhcffdqhwziipyyskcmztjprjqvmzzqhqnw"
},
{
"input": "YQOMLKYAORUQQUCQZCDYMIVDHGWZFFRMUVTAWCHERFPMNRYRIkgqrciokgajamehmcxgerpudvsqyonjonsxgbnefftzmygncks",
"output": "yqomlkyaoruqqucqzcdymivdhgwzffrmuvtawcherfpmnryrikgqrciokgajamehmcxgerpudvsqyonjonsxgbnefftzmygncks"
},
{
"input": "CDOZDPBVVVHNBJVBYHEOXWFLJKRWJCAJMIFCOZWWYFKVWOGTVJcuusigdqfkumewjtdyitveeiaybwrhomrwmpdipjwiuxfnwuz",
"output": "CDOZDPBVVVHNBJVBYHEOXWFLJKRWJCAJMIFCOZWWYFKVWOGTVJCUUSIGDQFKUMEWJTDYITVEEIAYBWRHOMRWMPDIPJWIUXFNWUZ"
},
{
"input": "WHIUVEXHVOOIJIDVJVPQUBJMEVPMPDKQWJKFBZSGSKUXMIPPMJWuckzcpxosodcjaaakvlxpbiigsiauviilylnnqlyucziihqg",
"output": "WHIUVEXHVOOIJIDVJVPQUBJMEVPMPDKQWJKFBZSGSKUXMIPPMJWUCKZCPXOSODCJAAAKVLXPBIIGSIAUVIILYLNNQLYUCZIIHQG"
},
{
"input": "VGHUNFOXKETUYMZDJNGTAOIOANYXSGYNFOGOFFLDAWEUKYFOZXCJTCAFXZYLQZERYZLRSQXYQGAPCSUDPMEYTNCTTTMFAGVDWBO",
"output": "VGHUNFOXKETUYMZDJNGTAOIOANYXSGYNFOGOFFLDAWEUKYFOZXCJTCAFXZYLQZERYZLRSQXYQGAPCSUDPMEYTNCTTTMFAGVDWBO"
},
{
"input": "EDUANHCQDOCJHFONTTSWBUJSTTIXBIXMAIUFSGFLXWAYIURTVAVZPYQDLAWIGCLMPHXCEFCJPFAAHXVNGQUFNHADAIUAZIDMHDd",
"output": "EDUANHCQDOCJHFONTTSWBUJSTTIXBIXMAIUFSGFLXWAYIURTVAVZPYQDLAWIGCLMPHXCEFCJPFAAHXVNGQUFNHADAIUAZIDMHDD"
},
{
"input": "EBWOVSNLYTWWXrnovgugogtjahnmatomubebyxakas",
"output": "ebwovsnlytwwxrnovgugogtjahnmatomubebyxakas"
},
{
"input": "AORNNDKTRLRVGDPXJKXFTPFpopuzrlqumrxssskvbm",
"output": "AORNNDKTRLRVGDPXJKXFTPFPOPUZRLQUMRXSSSKVBM"
},
{
"input": "DBBZJCWQEVGYHEEUHJAWRHBDPsnplijbwtdibqrrheebfxqcvn",
"output": "dbbzjcwqevgyheeuhjawrhbdpsnplijbwtdibqrrheebfxqcvn"
},
{
"input": "t",
"output": "t"
},
{
"input": "N",
"output": "N"
},
{
"input": "kv",
"output": "kv"
},
{
"input": "Ur",
"output": "ur"
},
{
"input": "CN",
"output": "CN"
}
] | 1,652,764,711
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 30
| 92
| 4,505,600
|
s=input()
l1=[]
l2=[]
for i in s:
if ord(i) in range(65,91):
l1.append(i)
elif ord(i) in range(97,123):
l2.append(i)
if len(l1)>len(l2):
print(s.upper())
else:
print(s.lower())
|
Title: Word
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At that as little as possible letters should be changed in the word. For example, the word HoUse must be replaced with house, and the word ViP — with VIP. If a word contains an equal number of uppercase and lowercase letters, you should replace all the letters with lowercase ones. For example, maTRIx should be replaced by matrix. Your task is to use the given method on one given word.
Input Specification:
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
Output Specification:
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
Demo Input:
['HoUse\n', 'ViP\n', 'maTRIx\n']
Demo Output:
['house\n', 'VIP\n', 'matrix\n']
Note:
none
|
```python
s=input()
l1=[]
l2=[]
for i in s:
if ord(i) in range(65,91):
l1.append(i)
elif ord(i) in range(97,123):
l2.append(i)
if len(l1)>len(l2):
print(s.upper())
else:
print(s.lower())
```
| 3.968608
|
189
|
A
|
Cut Ribbon
|
PROGRAMMING
| 1,300
|
[
"brute force",
"dp"
] | null | null |
Polycarpus has a ribbon, its length is *n*. He wants to cut the ribbon in a way that fulfils the following two conditions:
- After the cutting each ribbon piece should have length *a*, *b* or *c*. - After the cutting the number of ribbon pieces should be maximum.
Help Polycarpus and find the number of ribbon pieces after the required cutting.
|
The first line contains four space-separated integers *n*, *a*, *b* and *c* (1<=≤<=*n*,<=*a*,<=*b*,<=*c*<=≤<=4000) — the length of the original ribbon and the acceptable lengths of the ribbon pieces after the cutting, correspondingly. The numbers *a*, *b* and *c* can coincide.
|
Print a single number — the maximum possible number of ribbon pieces. It is guaranteed that at least one correct ribbon cutting exists.
|
[
"5 5 3 2\n",
"7 5 5 2\n"
] |
[
"2\n",
"2\n"
] |
In the first example Polycarpus can cut the ribbon in such way: the first piece has length 2, the second piece has length 3.
In the second example Polycarpus can cut the ribbon in such way: the first piece has length 5, the second piece has length 2.
| 500
|
[
{
"input": "5 5 3 2",
"output": "2"
},
{
"input": "7 5 5 2",
"output": "2"
},
{
"input": "4 4 4 4",
"output": "1"
},
{
"input": "1 1 1 1",
"output": "1"
},
{
"input": "4000 1 2 3",
"output": "4000"
},
{
"input": "4000 3 4 5",
"output": "1333"
},
{
"input": "10 3 4 5",
"output": "3"
},
{
"input": "100 23 15 50",
"output": "2"
},
{
"input": "3119 3515 1021 7",
"output": "11"
},
{
"input": "918 102 1327 1733",
"output": "9"
},
{
"input": "3164 42 430 1309",
"output": "15"
},
{
"input": "3043 317 1141 2438",
"output": "7"
},
{
"input": "26 1 772 2683",
"output": "26"
},
{
"input": "370 2 1 15",
"output": "370"
},
{
"input": "734 12 6 2",
"output": "367"
},
{
"input": "418 18 14 17",
"output": "29"
},
{
"input": "18 16 28 9",
"output": "2"
},
{
"input": "14 6 2 17",
"output": "7"
},
{
"input": "29 27 18 2",
"output": "2"
},
{
"input": "29 12 7 10",
"output": "3"
},
{
"input": "27 23 4 3",
"output": "9"
},
{
"input": "5 14 5 2",
"output": "1"
},
{
"input": "5 17 26 5",
"output": "1"
},
{
"input": "9 1 10 3",
"output": "9"
},
{
"input": "2 19 15 1",
"output": "2"
},
{
"input": "4 6 4 9",
"output": "1"
},
{
"input": "10 6 2 9",
"output": "5"
},
{
"input": "2 2 9 6",
"output": "1"
},
{
"input": "6 2 4 1",
"output": "6"
},
{
"input": "27 24 5 27",
"output": "1"
},
{
"input": "2683 83 26 2709",
"output": "101"
},
{
"input": "728 412 789 158",
"output": "3"
},
{
"input": "3964 4 2916 176",
"output": "991"
},
{
"input": "3399 2035 2 3334",
"output": "683"
},
{
"input": "3455 244 3301 3",
"output": "991"
},
{
"input": "595 2263 3625 1",
"output": "595"
},
{
"input": "4000 1 1 1",
"output": "4000"
},
{
"input": "3999 2 2 3999",
"output": "1"
},
{
"input": "25 6 8 11",
"output": "3"
},
{
"input": "4000 500 1000 2000",
"output": "8"
},
{
"input": "53 10 11 23",
"output": "5"
},
{
"input": "100 100 1 1",
"output": "100"
},
{
"input": "17 3 4 10",
"output": "5"
},
{
"input": "413 101 102 105",
"output": "4"
},
{
"input": "490 4 49 50",
"output": "111"
},
{
"input": "3999 2 3 3",
"output": "1999"
},
{
"input": "8 3 8 4",
"output": "2"
},
{
"input": "5 1 3 3",
"output": "5"
},
{
"input": "100 3 17 22",
"output": "27"
},
{
"input": "4000 2 3 4",
"output": "2000"
},
{
"input": "4000 3 3 5",
"output": "1332"
},
{
"input": "13 4 6 7",
"output": "2"
},
{
"input": "4000 5 2 2",
"output": "2000"
},
{
"input": "3999 2 2 3",
"output": "1999"
},
{
"input": "4000 33 7 3333",
"output": "564"
},
{
"input": "60 33 20 9",
"output": "4"
},
{
"input": "100 9 11 99",
"output": "10"
},
{
"input": "2009 6 8 9",
"output": "334"
}
] | 1,678,793,135
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 4
| 217
| 3,788,800
|
n, a, b, c = map(int, input().split())
ans = 1
for x in range(1, n):
for y in range(1, n):
if (n - (x * a + y * b)) % c == 0 and n - (x * a + y * b) > 0:
ans = max(ans, x + y + (n - (x * a + y * b) // c))
for x in range(1, n):
for y in range(1, n):
if n - (x * a + y * b) == 0:
ans = max(ans, x + y)
for x in range(1, n):
for y in range(1, n):
if n - (x * b + y * c) == 0:
ans = max(ans, x + y)
for x in range(1, n):
for y in range(1, n):
if n - (x * a + y * c) == 0:
ans = max(ans, x + y)
print(ans)
|
Title: Cut Ribbon
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Polycarpus has a ribbon, its length is *n*. He wants to cut the ribbon in a way that fulfils the following two conditions:
- After the cutting each ribbon piece should have length *a*, *b* or *c*. - After the cutting the number of ribbon pieces should be maximum.
Help Polycarpus and find the number of ribbon pieces after the required cutting.
Input Specification:
The first line contains four space-separated integers *n*, *a*, *b* and *c* (1<=≤<=*n*,<=*a*,<=*b*,<=*c*<=≤<=4000) — the length of the original ribbon and the acceptable lengths of the ribbon pieces after the cutting, correspondingly. The numbers *a*, *b* and *c* can coincide.
Output Specification:
Print a single number — the maximum possible number of ribbon pieces. It is guaranteed that at least one correct ribbon cutting exists.
Demo Input:
['5 5 3 2\n', '7 5 5 2\n']
Demo Output:
['2\n', '2\n']
Note:
In the first example Polycarpus can cut the ribbon in such way: the first piece has length 2, the second piece has length 3.
In the second example Polycarpus can cut the ribbon in such way: the first piece has length 5, the second piece has length 2.
|
```python
n, a, b, c = map(int, input().split())
ans = 1
for x in range(1, n):
for y in range(1, n):
if (n - (x * a + y * b)) % c == 0 and n - (x * a + y * b) > 0:
ans = max(ans, x + y + (n - (x * a + y * b) // c))
for x in range(1, n):
for y in range(1, n):
if n - (x * a + y * b) == 0:
ans = max(ans, x + y)
for x in range(1, n):
for y in range(1, n):
if n - (x * b + y * c) == 0:
ans = max(ans, x + y)
for x in range(1, n):
for y in range(1, n):
if n - (x * a + y * c) == 0:
ans = max(ans, x + y)
print(ans)
```
| 0
|
|
58
|
A
|
Chat room
|
PROGRAMMING
| 1,000
|
[
"greedy",
"strings"
] |
A. Chat room
|
1
|
256
|
Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to everybody. Vasya typed the word *s*. It is considered that Vasya managed to say hello if several letters can be deleted from the typed word so that it resulted in the word "hello". For example, if Vasya types the word "ahhellllloou", it will be considered that he said hello, and if he types "hlelo", it will be considered that Vasya got misunderstood and he didn't manage to say hello. Determine whether Vasya managed to say hello by the given word *s*.
|
The first and only line contains the word *s*, which Vasya typed. This word consisits of small Latin letters, its length is no less that 1 and no more than 100 letters.
|
If Vasya managed to say hello, print "YES", otherwise print "NO".
|
[
"ahhellllloou\n",
"hlelo\n"
] |
[
"YES\n",
"NO\n"
] |
none
| 500
|
[
{
"input": "ahhellllloou",
"output": "YES"
},
{
"input": "hlelo",
"output": "NO"
},
{
"input": "helhcludoo",
"output": "YES"
},
{
"input": "hehwelloho",
"output": "YES"
},
{
"input": "pnnepelqomhhheollvlo",
"output": "YES"
},
{
"input": "tymbzjyqhymedasloqbq",
"output": "NO"
},
{
"input": "yehluhlkwo",
"output": "NO"
},
{
"input": "hatlevhhalrohairnolsvocafgueelrqmlqlleello",
"output": "YES"
},
{
"input": "hhhtehdbllnhwmbyhvelqqyoulretpbfokflhlhreeflxeftelziclrwllrpflflbdtotvlqgoaoqldlroovbfsq",
"output": "YES"
},
{
"input": "rzlvihhghnelqtwlexmvdjjrliqllolhyewgozkuovaiezgcilelqapuoeglnwmnlftxxiigzczlouooi",
"output": "YES"
},
{
"input": "pfhhwctyqdlkrwhebfqfelhyebwllhemtrmeblgrynmvyhioesqklclocxmlffuormljszllpoo",
"output": "YES"
},
{
"input": "lqllcolohwflhfhlnaow",
"output": "NO"
},
{
"input": "heheeellollvoo",
"output": "YES"
},
{
"input": "hellooo",
"output": "YES"
},
{
"input": "o",
"output": "NO"
},
{
"input": "hhqhzeclohlehljlhtesllylrolmomvuhcxsobtsckogdv",
"output": "YES"
},
{
"input": "yoegfuzhqsihygnhpnukluutocvvwuldiighpogsifealtgkfzqbwtmgghmythcxflebrkctlldlkzlagovwlstsghbouk",
"output": "YES"
},
{
"input": "uatqtgbvrnywfacwursctpagasnhydvmlinrcnqrry",
"output": "NO"
},
{
"input": "tndtbldbllnrwmbyhvqaqqyoudrstpbfokfoclnraefuxtftmgzicorwisrpfnfpbdtatvwqgyalqtdtrjqvbfsq",
"output": "NO"
},
{
"input": "rzlvirhgemelnzdawzpaoqtxmqucnahvqnwldklrmjiiyageraijfivigvozgwngiulttxxgzczptusoi",
"output": "YES"
},
{
"input": "kgyelmchocojsnaqdsyeqgnllytbqietpdlgknwwumqkxrexgdcnwoldicwzwofpmuesjuxzrasscvyuqwspm",
"output": "YES"
},
{
"input": "pnyvrcotjvgynbeldnxieghfltmexttuxzyac",
"output": "NO"
},
{
"input": "dtwhbqoumejligbenxvzhjlhosqojetcqsynlzyhfaevbdpekgbtjrbhlltbceobcok",
"output": "YES"
},
{
"input": "crrfpfftjwhhikwzeedrlwzblckkteseofjuxjrktcjfsylmlsvogvrcxbxtffujqshslemnixoeezivksouefeqlhhokwbqjz",
"output": "YES"
},
{
"input": "jhfbndhyzdvhbvhmhmefqllujdflwdpjbehedlsqfdsqlyelwjtyloxwsvasrbqosblzbowlqjmyeilcvotdlaouxhdpoeloaovb",
"output": "YES"
},
{
"input": "hwlghueoemiqtjhhpashjsouyegdlvoyzeunlroypoprnhlyiwiuxrghekaylndhrhllllwhbebezoglydcvykllotrlaqtvmlla",
"output": "YES"
},
{
"input": "wshiaunnqnqxodholbipwhhjmyeblhgpeleblklpzwhdunmpqkbuzloetmwwxmeltkrcomulxauzlwmlklldjodozxryghsnwgcz",
"output": "YES"
},
{
"input": "shvksednttggehroewuiptvvxtrzgidravtnjwuqrlnnkxbplctzkckinpkgjopjfoxdbojtcvsuvablcbkrzajrlhgobkcxeqti",
"output": "YES"
},
{
"input": "hyyhddqhxhekehkwfhlnlsihzefwchzerevcjtokefplholrbvxlltdlafjxrfhleglrvlolojoqaolagtbeyogxlbgfolllslli",
"output": "YES"
},
{
"input": "iaagrdhhelxpdegueiulflquvlzidoprzkehthkldaytrjwhyhprwjxlltinxvuilxohqgjqcvkkdcuoliekcnlilwgqlnlzouoo",
"output": "YES"
},
{
"input": "wfluaeseldgxyvxpwuhkptdmlflnlhktwxiabsvkolsquymrmhzczzoybvlilhmvsuunggvgxzgyyffk",
"output": "NO"
},
{
"input": "loee",
"output": "NO"
},
{
"input": "izdipwylefqmjbuoznfglgcfvedeouflkeehxbasaqmiooppfsqlhprospqgxvzrcpwlfdddngoqvpwvggsnvvxhmjoslwjudjlo",
"output": "NO"
},
{
"input": "pplynflbjlseflaegzqpdxswgunhnlglqhycrbcwdfhclmcrwekkzsoosmfblljeenwfjyifcvxihhhbyhmhlkvtskeglaovjnsi",
"output": "YES"
},
{
"input": "xqjqmenkodmlhzyzmmvofdngktygbbxbzpluzcohohmalkoeuwfikblltaaigv",
"output": "NO"
},
{
"input": "hello",
"output": "YES"
},
{
"input": "oohell",
"output": "NO"
},
{
"input": "hell",
"output": "NO"
},
{
"input": "eloellohoelo",
"output": "NO"
},
{
"input": "helllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllo",
"output": "YES"
}
] | 1,669,198,712
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 61
| 409,600
|
import re
chars = ["h", "e", "l", "o"]
s = input()
for c in chars:
s = re.sub(f"{c}+", c, s)
print("YES" if bool(re.findall("hello", s)) else "NO")
|
Title: Chat room
Time Limit: 1 seconds
Memory Limit: 256 megabytes
Problem Description:
Vasya has recently learned to type and log on to the Internet. He immediately entered a chat room and decided to say hello to everybody. Vasya typed the word *s*. It is considered that Vasya managed to say hello if several letters can be deleted from the typed word so that it resulted in the word "hello". For example, if Vasya types the word "ahhellllloou", it will be considered that he said hello, and if he types "hlelo", it will be considered that Vasya got misunderstood and he didn't manage to say hello. Determine whether Vasya managed to say hello by the given word *s*.
Input Specification:
The first and only line contains the word *s*, which Vasya typed. This word consisits of small Latin letters, its length is no less that 1 and no more than 100 letters.
Output Specification:
If Vasya managed to say hello, print "YES", otherwise print "NO".
Demo Input:
['ahhellllloou\n', 'hlelo\n']
Demo Output:
['YES\n', 'NO\n']
Note:
none
|
```python
import re
chars = ["h", "e", "l", "o"]
s = input()
for c in chars:
s = re.sub(f"{c}+", c, s)
print("YES" if bool(re.findall("hello", s)) else "NO")
```
| 0
|
3
|
D
|
Least Cost Bracket Sequence
|
PROGRAMMING
| 2,600
|
[
"greedy"
] |
D. Least Cost Bracket Sequence
|
1
|
64
|
This is yet another problem on regular bracket sequences.
A bracket sequence is called regular, if by inserting "+" and "1" into it we get a correct mathematical expression. For example, sequences "(())()", "()" and "(()(()))" are regular, while ")(", "(()" and "(()))(" are not. You have a pattern of a bracket sequence that consists of characters "(", ")" and "?". You have to replace each character "?" with a bracket so, that you get a regular bracket sequence.
For each character "?" the cost of its replacement with "(" and ")" is given. Among all the possible variants your should choose the cheapest.
|
The first line contains a non-empty pattern of even length, consisting of characters "(", ")" and "?". Its length doesn't exceed 5·104. Then there follow *m* lines, where *m* is the number of characters "?" in the pattern. Each line contains two integer numbers *a**i* and *b**i* (1<=≤<=*a**i*,<=<=*b**i*<=≤<=106), where *a**i* is the cost of replacing the *i*-th character "?" with an opening bracket, and *b**i* — with a closing one.
|
Print the cost of the optimal regular bracket sequence in the first line, and the required sequence in the second.
Print -1, if there is no answer. If the answer is not unique, print any of them.
|
[
"(??)\n1 2\n2 8\n"
] |
[
"4\n()()\n"
] |
none
| 0
|
[
{
"input": "(??)\n1 2\n2 8",
"output": "4\n()()"
},
{
"input": "??\n1 1\n1 1",
"output": "2\n()"
},
{
"input": "(???\n1 1\n1 1\n1 1",
"output": "3\n(())"
},
{
"input": "(??)\n2 1\n1 1",
"output": "2\n()()"
},
{
"input": "(???)?\n3 3\n3 1\n3 3\n2 3",
"output": "10\n(()())"
},
{
"input": "((????\n3 2\n3 2\n1 1\n2 3",
"output": "8\n(())()"
},
{
"input": "???())\n2 4\n3 3\n4 1",
"output": "6\n(()())"
},
{
"input": "((????\n3 5\n4 1\n2 2\n1 5",
"output": "11\n((()))"
},
{
"input": "?(?)(???\n2 3\n2 2\n3 2\n3 1\n3 1",
"output": "8\n((()()))"
},
{
"input": "(??????)\n1 1\n3 3\n3 3\n3 2\n1 3\n3 3",
"output": "13\n((())())"
},
{
"input": "?????)??\n2 3\n2 1\n1 3\n5 1\n3 3\n1 3\n3 2",
"output": "11\n()()()()"
},
{
"input": "?)???(??\n1 4\n3 4\n2 4\n2 5\n3 3\n3 1",
"output": "14\n()()(())"
},
{
"input": "???(??))\n2 1\n2 1\n2 1\n1 2\n2 1",
"output": "7\n(()(()))"
},
{
"input": "??(()??)\n3 2\n3 3\n1 3\n2 2",
"output": "9\n()(()())"
},
{
"input": "????(???\n2 2\n1 3\n1 3\n3 3\n4 1\n4 4\n2 4",
"output": "16\n((()()))"
},
{
"input": "?(??????\n1 5\n2 4\n4 4\n4 3\n4 5\n5 4\n2 3",
"output": "21\n((())())"
},
{
"input": "???????)\n6 3\n5 3\n4 1\n1 4\n4 1\n2 6\n4 3",
"output": "19\n(()()())"
},
{
"input": "??????)?\n2 2\n4 2\n3 5\n3 2\n7 4\n6 2\n1 6",
"output": "24\n(((())))"
},
{
"input": "?((?)?)?\n1 2\n4 2\n1 3\n1 2",
"output": "6\n((())())"
},
{
"input": "??(????)\n3 2\n1 4\n4 4\n2 3\n2 3\n2 4",
"output": "16\n((()))()"
},
{
"input": "???(?)??(??)?)(?(?????????(?()????)(????(?)????)???)??))(?(?????????))???(??)?????))???????(????????\n9 10\n6 3\n8 2\n9 10\n9 3\n6 2\n8 5\n6 7\n2 6\n7 8\n6 10\n1 7\n1 7\n10 7\n10 7\n8 4\n5 9\n9 3\n3 10\n1 10\n8 2\n8 8\n4 8\n6 6\n4 10\n4 5\n5 2\n5 6\n7 7\n7 3\n10 1\n1 4\n5 10\n3 2\n2 8\n8 9\n6 5\n8 6\n3 4\n8 6\n8 5\n7 7\n10 9\n5 5\n2 1\n2 7\n2 3\n5 10\n9 7\n1 9\n10 9\n4 5\n8 2\n2 5\n6 7\n3 6\n4 2\n2 5\n3 9\n4 4\n6 3\n4 9\n3 1\n5 7\n8 7\n6 9\n5 3\n6 4\n8 3\n5 8\n8 4\n7 6\n1 4",
"output": "309\n(()(()))()()()(((((()))()(((())((()((()((()))(())(()))))((())))))((()))()(())((()())())()()(()))()))"
},
{
"input": "(?(((???))(??)?)?))))(?)????(()()???(?)????(??(??????)()(????(?)))))??(???(??)?(??)????????(????(?()\n39 78\n1 83\n2 35\n28 89\n53 53\n96 67\n16 46\n43 28\n25 73\n8 97\n57 41\n15 25\n47 49\n23 18\n97 77\n38 33\n68 80\n38 98\n62 8\n61 79\n84 50\n71 48\n12 16\n97 95\n16 70\n72 58\n55 85\n88 42\n49 56\n39 63\n51 100\n41 15\n97 17\n71 63\n21 44\n1 41\n22 14\n42 65\n88 33\n57 95\n57 28\n59 8\n56 42\n18 99\n43 6\n75 93\n34 23\n62 57\n62 71\n67 92\n91 60\n49 58\n97 14\n75 68\n20 9\n55 98\n12 3",
"output": "2140\n(((((((())(())())))))(()()(((()())))(()()()()(((()()()()((())())))))((()()(()))()())())(()(())))()()"
},
{
"input": "(())()",
"output": "0\n(())()"
},
{
"input": "?(?(??\n1 1\n2 2\n1 1\n1 1",
"output": "5\n(()())"
},
{
"input": "(????(\n1 1\n2 1\n2 1\n3 3",
"output": "-1"
},
{
"input": "(?(???\n2 3\n1 1\n3 3\n1 4",
"output": "10\n((()))"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": ")?)??)\n4 4\n3 5\n3 6",
"output": "-1"
},
{
"input": "((((((",
"output": "-1"
},
{
"input": "((((((",
"output": "-1"
},
{
"input": "()()()",
"output": "0\n()()()"
},
{
"input": "????((\n7 6\n1 10\n9 8\n4 4",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": "((((((",
"output": "-1"
},
{
"input": "((()))",
"output": "0\n((()))"
},
{
"input": "?))?))\n9 13\n8 11",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
},
{
"input": "?(?)?)\n6 14\n8 6\n4 3",
"output": "16\n(())()"
},
{
"input": "?(?(((\n8 7\n17 15",
"output": "-1"
},
{
"input": "))))))",
"output": "-1"
}
] | 1,655,405,704
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 80
| 592
| 14,336,000
|
# stop tleing or ill murder ntarsis
import math
import heapq
from sys import stdin
INF = int(1e18)
s = list(stdin.readline().strip())
depth = 0
pq = []
cost = 0
for i in range(len(s)):
if s[i] == '(':
depth += 1
elif s[i] == ')':
depth -= 1
else:
# this is question mark
a, b = map(int, stdin.readline().split())
# lets try to close this bracket
cost += b
heapq.heappush(pq, (a - b, i))
depth -= 1
s[i] = ')'
if depth < 0:
if not pq:
print(-1)
exit()
# we can't close this bracket
# choose the one with the biggest profit to reopen
top = heapq.heappop(pq)
cost += top[0]
s[top[1]] = '('
depth += 2
if depth > 0:
print(-1)
exit()
print(cost)
print(*s, sep = '')
|
Title: Least Cost Bracket Sequence
Time Limit: 1 seconds
Memory Limit: 64 megabytes
Problem Description:
This is yet another problem on regular bracket sequences.
A bracket sequence is called regular, if by inserting "+" and "1" into it we get a correct mathematical expression. For example, sequences "(())()", "()" and "(()(()))" are regular, while ")(", "(()" and "(()))(" are not. You have a pattern of a bracket sequence that consists of characters "(", ")" and "?". You have to replace each character "?" with a bracket so, that you get a regular bracket sequence.
For each character "?" the cost of its replacement with "(" and ")" is given. Among all the possible variants your should choose the cheapest.
Input Specification:
The first line contains a non-empty pattern of even length, consisting of characters "(", ")" and "?". Its length doesn't exceed 5·104. Then there follow *m* lines, where *m* is the number of characters "?" in the pattern. Each line contains two integer numbers *a**i* and *b**i* (1<=≤<=*a**i*,<=<=*b**i*<=≤<=106), where *a**i* is the cost of replacing the *i*-th character "?" with an opening bracket, and *b**i* — with a closing one.
Output Specification:
Print the cost of the optimal regular bracket sequence in the first line, and the required sequence in the second.
Print -1, if there is no answer. If the answer is not unique, print any of them.
Demo Input:
['(??)\n1 2\n2 8\n']
Demo Output:
['4\n()()\n']
Note:
none
|
```python
# stop tleing or ill murder ntarsis
import math
import heapq
from sys import stdin
INF = int(1e18)
s = list(stdin.readline().strip())
depth = 0
pq = []
cost = 0
for i in range(len(s)):
if s[i] == '(':
depth += 1
elif s[i] == ')':
depth -= 1
else:
# this is question mark
a, b = map(int, stdin.readline().split())
# lets try to close this bracket
cost += b
heapq.heappush(pq, (a - b, i))
depth -= 1
s[i] = ')'
if depth < 0:
if not pq:
print(-1)
exit()
# we can't close this bracket
# choose the one with the biggest profit to reopen
top = heapq.heappop(pq)
cost += top[0]
s[top[1]] = '('
depth += 2
if depth > 0:
print(-1)
exit()
print(cost)
print(*s, sep = '')
```
| 3.597188
|
411
|
A
|
Password Check
|
PROGRAMMING
| 800
|
[
"*special",
"implementation"
] | null | null |
You have probably registered on Internet sites many times. And each time you should enter your invented password. Usually the registration form automatically checks the password's crypt resistance. If the user's password isn't complex enough, a message is displayed. Today your task is to implement such an automatic check.
Web-developers of the company Q assume that a password is complex enough, if it meets all of the following conditions:
- the password length is at least 5 characters; - the password contains at least one large English letter; - the password contains at least one small English letter; - the password contains at least one digit.
You are given a password. Please implement the automatic check of its complexity for company Q.
|
The first line contains a non-empty sequence of characters (at most 100 characters). Each character is either a large English letter, or a small English letter, or a digit, or one of characters: "!", "?", ".", ",", "_".
|
If the password is complex enough, print message "Correct" (without the quotes), otherwise print message "Too weak" (without the quotes).
|
[
"abacaba\n",
"X12345\n",
"CONTEST_is_STARTED!!11\n"
] |
[
"Too weak\n",
"Too weak\n",
"Correct\n"
] |
none
| 0
|
[
{
"input": "abacaba",
"output": "Too weak"
},
{
"input": "X12345",
"output": "Too weak"
},
{
"input": "CONTEST_is_STARTED!!11",
"output": "Correct"
},
{
"input": "1zA__",
"output": "Correct"
},
{
"input": "1zA_",
"output": "Too weak"
},
{
"input": "zA___",
"output": "Too weak"
},
{
"input": "1A___",
"output": "Too weak"
},
{
"input": "z1___",
"output": "Too weak"
},
{
"input": "0",
"output": "Too weak"
},
{
"input": "_",
"output": "Too weak"
},
{
"input": "a",
"output": "Too weak"
},
{
"input": "D",
"output": "Too weak"
},
{
"input": "_",
"output": "Too weak"
},
{
"input": "?",
"output": "Too weak"
},
{
"input": "?",
"output": "Too weak"
},
{
"input": "._,.!.,...?_,!.",
"output": "Too weak"
},
{
"input": "!_?_,?,?.,.,_!!!.!,.__,?!!,_!,?_,!??,?!..._!?_,?_!,?_.,._,,_.,.",
"output": "Too weak"
},
{
"input": "?..!.,,?,__.,...????_???__!,?...?.,,,,___!,.!,_,,_,??!_?_,!!?_!_??.?,.!!?_?_.,!",
"output": "Too weak"
},
{
"input": "XZX",
"output": "Too weak"
},
{
"input": "R",
"output": "Too weak"
},
{
"input": "H.FZ",
"output": "Too weak"
},
{
"input": "KSHMICWPK,LSBM_JVZ!IPDYDG_GOPCHXFJTKJBIFY,FPHMY,CB?PZEAG..,X,.GFHPIDBB,IQ?MZ",
"output": "Too weak"
},
{
"input": "EFHI,,Y?HMMUI,,FJGAY?FYPBJQMYM!DZHLFCTFWT?JOPDW,S_!OR?ATT?RWFBMAAKUHIDMHSD?LCZQY!UD_CGYGBAIRDPICYS",
"output": "Too weak"
},
{
"input": "T,NDMUYCCXH_L_FJHMCCAGX_XSCPGOUZSY?D?CNDSYRITYS,VAT!PJVKNTBMXGGRYKACLYU.RJQ_?UWKXYIDE_AE",
"output": "Too weak"
},
{
"input": "y",
"output": "Too weak"
},
{
"input": "qgw",
"output": "Too weak"
},
{
"input": "g",
"output": "Too weak"
},
{
"input": "loaray",
"output": "Too weak"
},
{
"input": "d_iymyvxolmjayhwpedocopqwmy.oalrdg!_n?.lrxpamhygps?kkzxydsbcaihfs.j?eu!oszjsy.vzu?!vs.bprz_j",
"output": "Too weak"
},
{
"input": "txguglvclyillwnono",
"output": "Too weak"
},
{
"input": "FwX",
"output": "Too weak"
},
{
"input": "Zi",
"output": "Too weak"
},
{
"input": "PodE",
"output": "Too weak"
},
{
"input": "SdoOuJ?nj_wJyf",
"output": "Too weak"
},
{
"input": "MhnfZjsUyXYw?f?ubKA",
"output": "Too weak"
},
{
"input": "CpWxDVzwHfYFfoXNtXMFuAZr",
"output": "Too weak"
},
{
"input": "9.,0",
"output": "Too weak"
},
{
"input": "5,8",
"output": "Too weak"
},
{
"input": "7",
"output": "Too weak"
},
{
"input": "34__39_02!,!,82!129!2!566",
"output": "Too weak"
},
{
"input": "96156027.65935663!_87!,44,..7914_!0_1,.4!!62!.8350!17_282!!9.2584,!!7__51.526.7",
"output": "Too weak"
},
{
"input": "90328_",
"output": "Too weak"
},
{
"input": "B9",
"output": "Too weak"
},
{
"input": "P1H",
"output": "Too weak"
},
{
"input": "J2",
"output": "Too weak"
},
{
"input": "M6BCAKW!85OSYX1D?.53KDXP42F",
"output": "Too weak"
},
{
"input": "C672F429Y8X6XU7S,.K9111UD3232YXT81S4!729ER7DZ.J7U1R_7VG6.FQO,LDH",
"output": "Too weak"
},
{
"input": "W2PI__!.O91H8OFY6AB__R30L9XOU8800?ZUD84L5KT99818NFNE35V.8LJJ5P2MM.B6B",
"output": "Too weak"
},
{
"input": "z1",
"output": "Too weak"
},
{
"input": "p1j",
"output": "Too weak"
},
{
"input": "j9",
"output": "Too weak"
},
{
"input": "v8eycoylzv0qkix5mfs_nhkn6k!?ovrk9!b69zy!4frc?k",
"output": "Too weak"
},
{
"input": "l4!m_44kpw8.jg!?oh,?y5oraw1tg7_x1.osl0!ny?_aihzhtt0e2!mr92tnk0es!1f,9he40_usa6c50l",
"output": "Too weak"
},
{
"input": "d4r!ak.igzhnu!boghwd6jl",
"output": "Too weak"
},
{
"input": "It0",
"output": "Too weak"
},
{
"input": "Yb1x",
"output": "Too weak"
},
{
"input": "Qf7",
"output": "Too weak"
},
{
"input": "Vu7jQU8.!FvHBYTsDp6AphaGfnEmySP9te",
"output": "Correct"
},
{
"input": "Ka4hGE,vkvNQbNolnfwp",
"output": "Correct"
},
{
"input": "Ee9oluD?amNItsjeQVtOjwj4w_ALCRh7F3eaZah",
"output": "Correct"
},
{
"input": "Um3Fj?QLhNuRE_Gx0cjMLOkGCm",
"output": "Correct"
},
{
"input": "Oq2LYmV9HmlaW",
"output": "Correct"
},
{
"input": "Cq7r3Wrb.lDb_0wsf7!ruUUGSf08RkxD?VsBEDdyE?SHK73TFFy0f8gmcATqGafgTv8OOg8or2HyMPIPiQ2Hsx8q5rn3_WZe",
"output": "Correct"
},
{
"input": "Wx4p1fOrEMDlQpTlIx0p.1cnFD7BnX2K8?_dNLh4cQBx_Zqsv83BnL5hGKNcBE9g3QB,!fmSvgBeQ_qiH7",
"output": "Correct"
},
{
"input": "k673,",
"output": "Too weak"
},
{
"input": "LzuYQ",
"output": "Too weak"
},
{
"input": "Pasq!",
"output": "Too weak"
},
{
"input": "x5hve",
"output": "Too weak"
},
{
"input": "b27fk",
"output": "Too weak"
},
{
"input": "h6y1l",
"output": "Too weak"
},
{
"input": "i9nij",
"output": "Too weak"
},
{
"input": "Gf5Q6",
"output": "Correct"
},
{
"input": "Uf24o",
"output": "Correct"
},
{
"input": "Oj9vu",
"output": "Correct"
},
{
"input": "c7jqaudcqmv8o7zvb5x_gp6zcgl6nwr7tz5or!28.tj8s1m2.wxz5a4id03!rq07?662vy.7.p5?vk2f2mc7ag8q3861rgd0rmbr",
"output": "Too weak"
},
{
"input": "i6a.,8jb,n0kv4.1!7h?p.96pnhhgy6cl7dg7e4o6o384ys3z.t71kkq,,w,oqi4?u,,m5!rzu6wym_4hm,ohjy!.vvksl?pt,,1",
"output": "Too weak"
},
{
"input": "M10V_MN_1K8YX2LA!89EYV7!5V9?,.IDHDP6JEC.OGLY.180LMZ6KW3Z5E17IT94ZNHS!79GN09Q6LH0,F3AYNKP?KM,QP_?XRD6",
"output": "Too weak"
},
{
"input": "Hi7zYuVXCPhaho68YgCMzzgLILM6toQTJq8akMqqrnUn6ZCD36iA1yVVpvlsIiMpCu!1QZd4ycIrQ5Kcrhk5k0jTrwdAAEEP_T2f",
"output": "Correct"
},
{
"input": "Bk2Q38vDSW5JqYu.077iYC.9YoiPc!Dh6FJWOVze6?YXiFjPNa4F1RG?154m9mY2jQobBnbxM,cDV8l1UX1?v?p.tTYIyJO!NYmE",
"output": "Correct"
},
{
"input": "Ro1HcZ.piN,JRR88DLh,WtW!pbFM076?wCSbqfK7N2s5zUySFBtzk7HV,BxHXR0zALAr016z5jvvB.WUdEcKgYFav5TygwHQC..C",
"output": "Correct"
},
{
"input": "!?.,_",
"output": "Too weak"
}
] | 1,630,093,439
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 39
| 62
| 6,963,200
|
def isLongEnough(password):
if len(password) >= 5:
return True
else:
return False
def hasUpperCase(password):
if password.islower():
return False
else:
return True
def hasLowerCase(password):
if password.isupper():
return False
else:
return True
def hasDigit(password):
for i in password:
if i.isdigit():
return True
return False
senha = input()
if (isLongEnough(senha) and hasUpperCase(senha) and hasLowerCase(senha) and hasDigit(senha) ):
print("Correct")
else:
print("Too weak")
|
Title: Password Check
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
You have probably registered on Internet sites many times. And each time you should enter your invented password. Usually the registration form automatically checks the password's crypt resistance. If the user's password isn't complex enough, a message is displayed. Today your task is to implement such an automatic check.
Web-developers of the company Q assume that a password is complex enough, if it meets all of the following conditions:
- the password length is at least 5 characters; - the password contains at least one large English letter; - the password contains at least one small English letter; - the password contains at least one digit.
You are given a password. Please implement the automatic check of its complexity for company Q.
Input Specification:
The first line contains a non-empty sequence of characters (at most 100 characters). Each character is either a large English letter, or a small English letter, or a digit, or one of characters: "!", "?", ".", ",", "_".
Output Specification:
If the password is complex enough, print message "Correct" (without the quotes), otherwise print message "Too weak" (without the quotes).
Demo Input:
['abacaba\n', 'X12345\n', 'CONTEST_is_STARTED!!11\n']
Demo Output:
['Too weak\n', 'Too weak\n', 'Correct\n']
Note:
none
|
```python
def isLongEnough(password):
if len(password) >= 5:
return True
else:
return False
def hasUpperCase(password):
if password.islower():
return False
else:
return True
def hasLowerCase(password):
if password.isupper():
return False
else:
return True
def hasDigit(password):
for i in password:
if i.isdigit():
return True
return False
senha = input()
if (isLongEnough(senha) and hasUpperCase(senha) and hasLowerCase(senha) and hasDigit(senha) ):
print("Correct")
else:
print("Too weak")
```
| 0
|
|
994
|
A
|
Fingerprints
|
PROGRAMMING
| 800
|
[
"implementation"
] | null | null |
You are locked in a room with a door that has a keypad with 10 keys corresponding to digits from 0 to 9. To escape from the room, you need to enter a correct code. You also have a sequence of digits.
Some keys on the keypad have fingerprints. You believe the correct code is the longest not necessarily contiguous subsequence of the sequence you have that only contains digits with fingerprints on the corresponding keys. Find such code.
|
The first line contains two integers $n$ and $m$ ($1 \le n, m \le 10$) representing the number of digits in the sequence you have and the number of keys on the keypad that have fingerprints.
The next line contains $n$ distinct space-separated integers $x_1, x_2, \ldots, x_n$ ($0 \le x_i \le 9$) representing the sequence.
The next line contains $m$ distinct space-separated integers $y_1, y_2, \ldots, y_m$ ($0 \le y_i \le 9$) — the keys with fingerprints.
|
In a single line print a space-separated sequence of integers representing the code. If the resulting sequence is empty, both printing nothing and printing a single line break is acceptable.
|
[
"7 3\n3 5 7 1 6 2 8\n1 2 7\n",
"4 4\n3 4 1 0\n0 1 7 9\n"
] |
[
"7 1 2\n",
"1 0\n"
] |
In the first example, the only digits with fingerprints are $1$, $2$ and $7$. All three of them appear in the sequence you know, $7$ first, then $1$ and then $2$. Therefore the output is 7 1 2. Note that the order is important, and shall be the same as the order in the original sequence.
In the second example digits $0$, $1$, $7$ and $9$ have fingerprints, however only $0$ and $1$ appear in the original sequence. $1$ appears earlier, so the output is 1 0. Again, the order is important.
| 500
|
[
{
"input": "7 3\n3 5 7 1 6 2 8\n1 2 7",
"output": "7 1 2"
},
{
"input": "4 4\n3 4 1 0\n0 1 7 9",
"output": "1 0"
},
{
"input": "9 4\n9 8 7 6 5 4 3 2 1\n2 4 6 8",
"output": "8 6 4 2"
},
{
"input": "10 5\n3 7 1 2 4 6 9 0 5 8\n4 3 0 7 9",
"output": "3 7 4 9 0"
},
{
"input": "10 10\n1 2 3 4 5 6 7 8 9 0\n4 5 6 7 1 2 3 0 9 8",
"output": "1 2 3 4 5 6 7 8 9 0"
},
{
"input": "1 1\n4\n4",
"output": "4"
},
{
"input": "3 7\n6 3 4\n4 9 0 1 7 8 6",
"output": "6 4"
},
{
"input": "10 1\n9 0 8 1 7 4 6 5 2 3\n0",
"output": "0"
},
{
"input": "5 10\n6 0 3 8 1\n3 1 0 5 4 7 2 8 9 6",
"output": "6 0 3 8 1"
},
{
"input": "8 2\n7 2 9 6 1 0 3 4\n6 3",
"output": "6 3"
},
{
"input": "5 4\n7 0 1 4 9\n0 9 5 3",
"output": "0 9"
},
{
"input": "10 1\n9 6 2 0 1 8 3 4 7 5\n6",
"output": "6"
},
{
"input": "10 2\n7 1 0 2 4 6 5 9 3 8\n3 2",
"output": "2 3"
},
{
"input": "5 9\n3 7 9 2 4\n3 8 4 5 9 6 1 0 2",
"output": "3 9 2 4"
},
{
"input": "10 6\n7 1 2 3 8 0 6 4 5 9\n1 5 8 2 3 6",
"output": "1 2 3 8 6 5"
},
{
"input": "8 2\n7 4 8 9 2 5 6 1\n6 4",
"output": "4 6"
},
{
"input": "10 2\n1 0 3 5 8 9 4 7 6 2\n0 3",
"output": "0 3"
},
{
"input": "7 6\n9 2 8 6 1 3 7\n4 2 0 3 1 8",
"output": "2 8 1 3"
},
{
"input": "1 6\n3\n6 8 2 4 5 3",
"output": "3"
},
{
"input": "1 8\n0\n9 2 4 8 1 5 0 7",
"output": "0"
},
{
"input": "6 9\n7 3 9 4 1 0\n9 1 5 8 0 6 2 7 4",
"output": "7 9 4 1 0"
},
{
"input": "10 2\n4 9 6 8 3 0 1 5 7 2\n0 1",
"output": "0 1"
},
{
"input": "10 5\n5 2 8 0 9 7 6 1 4 3\n9 6 4 1 2",
"output": "2 9 6 1 4"
},
{
"input": "6 3\n8 3 9 2 7 6\n5 4 3",
"output": "3"
},
{
"input": "4 10\n8 3 9 6\n4 9 6 2 7 0 8 1 3 5",
"output": "8 3 9 6"
},
{
"input": "1 2\n1\n1 0",
"output": "1"
},
{
"input": "3 6\n1 2 3\n4 5 6 1 2 3",
"output": "1 2 3"
},
{
"input": "1 2\n2\n1 2",
"output": "2"
},
{
"input": "1 10\n9\n0 1 2 3 4 5 6 7 8 9",
"output": "9"
}
] | 1,563,675,160
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 31
| 109
| 0
|
#import sys
#sys.stdin = open("input.in","r")
#sys.stdout = open("test.out","w")
m,n = map(int, input().split())
a= input().split()
c= input().split()
for i in a:
if i in c:
print(i, end = ' ')
|
Title: Fingerprints
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
You are locked in a room with a door that has a keypad with 10 keys corresponding to digits from 0 to 9. To escape from the room, you need to enter a correct code. You also have a sequence of digits.
Some keys on the keypad have fingerprints. You believe the correct code is the longest not necessarily contiguous subsequence of the sequence you have that only contains digits with fingerprints on the corresponding keys. Find such code.
Input Specification:
The first line contains two integers $n$ and $m$ ($1 \le n, m \le 10$) representing the number of digits in the sequence you have and the number of keys on the keypad that have fingerprints.
The next line contains $n$ distinct space-separated integers $x_1, x_2, \ldots, x_n$ ($0 \le x_i \le 9$) representing the sequence.
The next line contains $m$ distinct space-separated integers $y_1, y_2, \ldots, y_m$ ($0 \le y_i \le 9$) — the keys with fingerprints.
Output Specification:
In a single line print a space-separated sequence of integers representing the code. If the resulting sequence is empty, both printing nothing and printing a single line break is acceptable.
Demo Input:
['7 3\n3 5 7 1 6 2 8\n1 2 7\n', '4 4\n3 4 1 0\n0 1 7 9\n']
Demo Output:
['7 1 2\n', '1 0\n']
Note:
In the first example, the only digits with fingerprints are $1$, $2$ and $7$. All three of them appear in the sequence you know, $7$ first, then $1$ and then $2$. Therefore the output is 7 1 2. Note that the order is important, and shall be the same as the order in the original sequence.
In the second example digits $0$, $1$, $7$ and $9$ have fingerprints, however only $0$ and $1$ appear in the original sequence. $1$ appears earlier, so the output is 1 0. Again, the order is important.
|
```python
#import sys
#sys.stdin = open("input.in","r")
#sys.stdout = open("test.out","w")
m,n = map(int, input().split())
a= input().split()
c= input().split()
for i in a:
if i in c:
print(i, end = ' ')
```
| 3
|
|
608
|
A
|
Saitama Destroys Hotel
|
PROGRAMMING
| 1,000
|
[
"implementation",
"math"
] | null | null |
Saitama accidentally destroyed a hotel again. To repay the hotel company, Genos has volunteered to operate an elevator in one of its other hotels. The elevator is special — it starts on the top floor, can only move down, and has infinite capacity. Floors are numbered from 0 to *s* and elevator initially starts on floor *s* at time 0.
The elevator takes exactly 1 second to move down exactly 1 floor and negligible time to pick up passengers. Genos is given a list detailing when and on which floor passengers arrive. Please determine how long in seconds it will take Genos to bring all passengers to floor 0.
|
The first line of input contains two integers *n* and *s* (1<=≤<=*n*<=≤<=100, 1<=≤<=*s*<=≤<=1000) — the number of passengers and the number of the top floor respectively.
The next *n* lines each contain two space-separated integers *f**i* and *t**i* (1<=≤<=*f**i*<=≤<=*s*, 1<=≤<=*t**i*<=≤<=1000) — the floor and the time of arrival in seconds for the passenger number *i*.
|
Print a single integer — the minimum amount of time in seconds needed to bring all the passengers to floor 0.
|
[
"3 7\n2 1\n3 8\n5 2\n",
"5 10\n2 77\n3 33\n8 21\n9 12\n10 64\n"
] |
[
"11\n",
"79\n"
] |
In the first sample, it takes at least 11 seconds to bring all passengers to floor 0. Here is how this could be done:
1. Move to floor 5: takes 2 seconds.
2. Pick up passenger 3.
3. Move to floor 3: takes 2 seconds.
4. Wait for passenger 2 to arrive: takes 4 seconds.
5. Pick up passenger 2.
6. Go to floor 2: takes 1 second.
7. Pick up passenger 1.
8. Go to floor 0: takes 2 seconds.
This gives a total of 2 + 2 + 4 + 1 + 2 = 11 seconds.
| 500
|
[
{
"input": "3 7\n2 1\n3 8\n5 2",
"output": "11"
},
{
"input": "5 10\n2 77\n3 33\n8 21\n9 12\n10 64",
"output": "79"
},
{
"input": "1 1000\n1000 1000",
"output": "2000"
},
{
"input": "1 1\n1 1",
"output": "2"
},
{
"input": "1 1000\n1 1",
"output": "1000"
},
{
"input": "1 1000\n1 1000",
"output": "1001"
},
{
"input": "100 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1\n1 1",
"output": "2"
},
{
"input": "2 7\n6 3\n1 5",
"output": "9"
},
{
"input": "2 100\n99 2\n1 10",
"output": "101"
},
{
"input": "5 5\n1 1\n2 1\n3 1\n4 1\n5 1",
"output": "6"
},
{
"input": "3 7\n1 6\n5 5\n6 1",
"output": "10"
},
{
"input": "2 100\n4 100\n7 99",
"output": "106"
},
{
"input": "2 10\n9 3\n1 4",
"output": "12"
},
{
"input": "2 5\n4 4\n5 4",
"output": "9"
},
{
"input": "2 10\n9 10\n6 11",
"output": "19"
},
{
"input": "2 100\n99 9\n1 10",
"output": "108"
},
{
"input": "2 7\n3 5\n7 4",
"output": "11"
},
{
"input": "4 4\n4 6\n4 8\n1 7\n2 9",
"output": "12"
},
{
"input": "2 1000\n1 2\n1000 1",
"output": "1001"
},
{
"input": "2 20\n1 1\n2 2",
"output": "20"
},
{
"input": "2 20\n10 10\n19 9",
"output": "28"
}
] | 1,582,052,249
| 2,147,483,647
|
PyPy 3
|
WRONG_ANSWER
|
TESTS
| 7
| 139
| 1,433,600
|
[n,top]=list(map(int,input().strip().split()))
floor=[top]
l={}
total=0
for i in range(n):
m=list(map(int,input().strip().split()))
floor.append(m[0])
l[m[0]]=m[1]
floor.sort()
floor=floor[::-1]
time=[0]
for i in range(1,n+1):
time.append(l[floor[i]])
for i in range(n):
diff=floor[i]-floor[i+1]
total+=diff
time=list(map(lambda x:x-diff,time))
if time[i+1]>0:
total+=time[i+1]
time=list(map(lambda x:x-time[i+1],time))
print(total+floor[-1])
|
Title: Saitama Destroys Hotel
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Saitama accidentally destroyed a hotel again. To repay the hotel company, Genos has volunteered to operate an elevator in one of its other hotels. The elevator is special — it starts on the top floor, can only move down, and has infinite capacity. Floors are numbered from 0 to *s* and elevator initially starts on floor *s* at time 0.
The elevator takes exactly 1 second to move down exactly 1 floor and negligible time to pick up passengers. Genos is given a list detailing when and on which floor passengers arrive. Please determine how long in seconds it will take Genos to bring all passengers to floor 0.
Input Specification:
The first line of input contains two integers *n* and *s* (1<=≤<=*n*<=≤<=100, 1<=≤<=*s*<=≤<=1000) — the number of passengers and the number of the top floor respectively.
The next *n* lines each contain two space-separated integers *f**i* and *t**i* (1<=≤<=*f**i*<=≤<=*s*, 1<=≤<=*t**i*<=≤<=1000) — the floor and the time of arrival in seconds for the passenger number *i*.
Output Specification:
Print a single integer — the minimum amount of time in seconds needed to bring all the passengers to floor 0.
Demo Input:
['3 7\n2 1\n3 8\n5 2\n', '5 10\n2 77\n3 33\n8 21\n9 12\n10 64\n']
Demo Output:
['11\n', '79\n']
Note:
In the first sample, it takes at least 11 seconds to bring all passengers to floor 0. Here is how this could be done:
1. Move to floor 5: takes 2 seconds.
2. Pick up passenger 3.
3. Move to floor 3: takes 2 seconds.
4. Wait for passenger 2 to arrive: takes 4 seconds.
5. Pick up passenger 2.
6. Go to floor 2: takes 1 second.
7. Pick up passenger 1.
8. Go to floor 0: takes 2 seconds.
This gives a total of 2 + 2 + 4 + 1 + 2 = 11 seconds.
|
```python
[n,top]=list(map(int,input().strip().split()))
floor=[top]
l={}
total=0
for i in range(n):
m=list(map(int,input().strip().split()))
floor.append(m[0])
l[m[0]]=m[1]
floor.sort()
floor=floor[::-1]
time=[0]
for i in range(1,n+1):
time.append(l[floor[i]])
for i in range(n):
diff=floor[i]-floor[i+1]
total+=diff
time=list(map(lambda x:x-diff,time))
if time[i+1]>0:
total+=time[i+1]
time=list(map(lambda x:x-time[i+1],time))
print(total+floor[-1])
```
| 0
|
|
935
|
A
|
Fafa and his Company
|
PROGRAMMING
| 800
|
[
"brute force",
"implementation"
] | null | null |
Fafa owns a company that works on huge projects. There are *n* employees in Fafa's company. Whenever the company has a new project to start working on, Fafa has to divide the tasks of this project among all the employees.
Fafa finds doing this every time is very tiring for him. So, he decided to choose the best *l* employees in his company as team leaders. Whenever there is a new project, Fafa will divide the tasks among only the team leaders and each team leader will be responsible of some positive number of employees to give them the tasks. To make this process fair for the team leaders, each one of them should be responsible for the same number of employees. Moreover, every employee, who is not a team leader, has to be under the responsibility of exactly one team leader, and no team leader is responsible for another team leader.
Given the number of employees *n*, find in how many ways Fafa could choose the number of team leaders *l* in such a way that it is possible to divide employees between them evenly.
|
The input consists of a single line containing a positive integer *n* (2<=≤<=*n*<=≤<=105) — the number of employees in Fafa's company.
|
Print a single integer representing the answer to the problem.
|
[
"2\n",
"10\n"
] |
[
"1\n",
"3\n"
] |
In the second sample Fafa has 3 ways:
- choose only 1 employee as a team leader with 9 employees under his responsibility. - choose 2 employees as team leaders with 4 employees under the responsibility of each of them. - choose 5 employees as team leaders with 1 employee under the responsibility of each of them.
| 500
|
[
{
"input": "2",
"output": "1"
},
{
"input": "10",
"output": "3"
},
{
"input": "3",
"output": "1"
},
{
"input": "4",
"output": "2"
},
{
"input": "6",
"output": "3"
},
{
"input": "13",
"output": "1"
},
{
"input": "100000",
"output": "35"
},
{
"input": "1024",
"output": "10"
},
{
"input": "99999",
"output": "11"
},
{
"input": "10007",
"output": "1"
},
{
"input": "4096",
"output": "12"
},
{
"input": "65536",
"output": "16"
},
{
"input": "40320",
"output": "95"
},
{
"input": "30030",
"output": "63"
},
{
"input": "161",
"output": "3"
},
{
"input": "1000",
"output": "15"
},
{
"input": "10000",
"output": "24"
},
{
"input": "777",
"output": "7"
},
{
"input": "121",
"output": "2"
},
{
"input": "25",
"output": "2"
},
{
"input": "40000",
"output": "34"
},
{
"input": "99990",
"output": "47"
},
{
"input": "98765",
"output": "3"
},
{
"input": "56789",
"output": "3"
},
{
"input": "13579",
"output": "3"
},
{
"input": "97531",
"output": "3"
},
{
"input": "12345",
"output": "7"
},
{
"input": "54321",
"output": "7"
},
{
"input": "83160",
"output": "127"
},
{
"input": "9",
"output": "2"
},
{
"input": "21",
"output": "3"
},
{
"input": "11",
"output": "1"
},
{
"input": "15",
"output": "3"
}
] | 1,651,777,025
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 33
| 61
| 0
|
a = int(input())
b = 0
for i in range(1, a):
if (a - i) % i == 0:
b += 1
print(b)
|
Title: Fafa and his Company
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Fafa owns a company that works on huge projects. There are *n* employees in Fafa's company. Whenever the company has a new project to start working on, Fafa has to divide the tasks of this project among all the employees.
Fafa finds doing this every time is very tiring for him. So, he decided to choose the best *l* employees in his company as team leaders. Whenever there is a new project, Fafa will divide the tasks among only the team leaders and each team leader will be responsible of some positive number of employees to give them the tasks. To make this process fair for the team leaders, each one of them should be responsible for the same number of employees. Moreover, every employee, who is not a team leader, has to be under the responsibility of exactly one team leader, and no team leader is responsible for another team leader.
Given the number of employees *n*, find in how many ways Fafa could choose the number of team leaders *l* in such a way that it is possible to divide employees between them evenly.
Input Specification:
The input consists of a single line containing a positive integer *n* (2<=≤<=*n*<=≤<=105) — the number of employees in Fafa's company.
Output Specification:
Print a single integer representing the answer to the problem.
Demo Input:
['2\n', '10\n']
Demo Output:
['1\n', '3\n']
Note:
In the second sample Fafa has 3 ways:
- choose only 1 employee as a team leader with 9 employees under his responsibility. - choose 2 employees as team leaders with 4 employees under the responsibility of each of them. - choose 5 employees as team leaders with 1 employee under the responsibility of each of them.
|
```python
a = int(input())
b = 0
for i in range(1, a):
if (a - i) % i == 0:
b += 1
print(b)
```
| 3
|
|
141
|
A
|
Amusing Joke
|
PROGRAMMING
| 800
|
[
"implementation",
"sortings",
"strings"
] | null | null |
So, the New Year holidays are over. Santa Claus and his colleagues can take a rest and have guests at last. When two "New Year and Christmas Men" meet, thear assistants cut out of cardboard the letters from the guest's name and the host's name in honor of this event. Then the hung the letters above the main entrance. One night, when everyone went to bed, someone took all the letters of our characters' names. Then he may have shuffled the letters and put them in one pile in front of the door.
The next morning it was impossible to find the culprit who had made the disorder. But everybody wondered whether it is possible to restore the names of the host and his guests from the letters lying at the door? That is, we need to verify that there are no extra letters, and that nobody will need to cut more letters.
Help the "New Year and Christmas Men" and their friends to cope with this problem. You are given both inscriptions that hung over the front door the previous night, and a pile of letters that were found at the front door next morning.
|
The input file consists of three lines: the first line contains the guest's name, the second line contains the name of the residence host and the third line contains letters in a pile that were found at the door in the morning. All lines are not empty and contain only uppercase Latin letters. The length of each line does not exceed 100.
|
Print "YES" without the quotes, if the letters in the pile could be permuted to make the names of the "New Year and Christmas Men". Otherwise, print "NO" without the quotes.
|
[
"SANTACLAUS\nDEDMOROZ\nSANTAMOROZDEDCLAUS\n",
"PAPAINOEL\nJOULUPUKKI\nJOULNAPAOILELUPUKKI\n",
"BABBONATALE\nFATHERCHRISTMAS\nBABCHRISTMASBONATALLEFATHER\n"
] |
[
"YES\n",
"NO\n",
"NO\n"
] |
In the first sample the letters written in the last line can be used to write the names and there won't be any extra letters left.
In the second sample letter "P" is missing from the pile and there's an extra letter "L".
In the third sample there's an extra letter "L".
| 500
|
[
{
"input": "SANTACLAUS\nDEDMOROZ\nSANTAMOROZDEDCLAUS",
"output": "YES"
},
{
"input": "PAPAINOEL\nJOULUPUKKI\nJOULNAPAOILELUPUKKI",
"output": "NO"
},
{
"input": "BABBONATALE\nFATHERCHRISTMAS\nBABCHRISTMASBONATALLEFATHER",
"output": "NO"
},
{
"input": "B\nA\nAB",
"output": "YES"
},
{
"input": "ONDOL\nJNPB\nONLNJBODP",
"output": "YES"
},
{
"input": "Y\nW\nYW",
"output": "YES"
},
{
"input": "OI\nM\nIMO",
"output": "YES"
},
{
"input": "VFQRWWWACX\nGHZJPOQUSXRAQDGOGMR\nOPAWDOUSGWWCGQXXQAZJRQRGHRMVF",
"output": "YES"
},
{
"input": "JUTCN\nPIGMZOPMEUFADQBW\nNWQGZMAIPUPOMCDUB",
"output": "NO"
},
{
"input": "Z\nO\nZOCNDOLTBZKQLTBOLDEGXRHZGTTPBJBLSJCVSVXISQZCSFDEBXRCSGBGTHWOVIXYHACAGBRYBKBJAEPIQZHVEGLYH",
"output": "NO"
},
{
"input": "IQ\nOQ\nQOQIGGKFNHJSGCGM",
"output": "NO"
},
{
"input": "ROUWANOPNIGTVMIITVMZ\nOQTUPZMTKUGY\nVTVNGZITGPUNPMQOOATUUIYIWMMKZOTR",
"output": "YES"
},
{
"input": "OVQELLOGFIOLEHXMEMBJDIGBPGEYFG\nJNKFPFFIJOFHRIFHXEWYZOPDJBZTJZKBWQTECNHRFSJPJOAPQT\nYAIPFFFEXJJNEJPLREIGODEGQZVMCOBDFKWTMWJSBEBTOFFQOHIQJLHFNXIGOHEZRZLFOKJBJPTPHPGY",
"output": "YES"
},
{
"input": "NBJGVNGUISUXQTBOBKYHQCOOVQWUXWPXBUDLXPKX\nNSFQDFUMQDQWQ\nWXKKVNTDQQFXCUQBIMQGQHSLVGWSBFYBUPOWPBDUUJUXQNOQDNXOX",
"output": "YES"
},
{
"input": "IJHHGKCXWDBRWJUPRDBZJLNTTNWKXLUGJSBWBOAUKWRAQWGFNL\nNJMWRMBCNPHXTDQQNZ\nWDNJRCLILNQRHWBANLTXWMJBPKUPGKJDJZAQWKTZFBRCTXHHBNXRGUQUNBNMWODGSJWW",
"output": "YES"
},
{
"input": "SRROWANGUGZHCIEFYMQVTWVOMDWPUZJFRDUMVFHYNHNTTGNXCJ\nDJYWGLBFCCECXFHOLORDGDCNRHPWXNHXFCXQCEZUHRRNAEKUIX\nWCUJDNYHNHYOPWMHLDCDYRWBVOGHFFUKOZTXJRXJHRGWICCMRNEVNEGQWTZPNFCSHDRFCFQDCXMHTLUGZAXOFNXNVGUEXIACRERU",
"output": "YES"
},
{
"input": "H\nJKFGHMIAHNDBMFXWYQLZRSVNOTEGCQSVUBYUOZBTNKTXPFQDCMKAGFITEUGOYDFIYQIORMFJEOJDNTFVIQEBICSNGKOSNLNXJWC\nBQSVDOGIHCHXSYNYTQFCHNJGYFIXTSOQINZOKSVQJMTKNTGFNXAVTUYEONMBQMGJLEWJOFGEARIOPKFUFCEMUBRBDNIIDFZDCLWK",
"output": "YES"
},
{
"input": "DSWNZRFVXQ\nPVULCZGOOU\nUOLVZXNUPOQRZGWFVDSCANQTCLEIE",
"output": "NO"
},
{
"input": "EUHTSCENIPXLTSBMLFHD\nIZAVSZPDLXOAGESUSE\nLXAELAZ",
"output": "NO"
},
{
"input": "WYSJFEREGELSKRQRXDXCGBODEFZVSI\nPEJKMGFLBFFDWRCRFSHVEFLEBTJCVCHRJTLDTISHPOGFWPLEWNYJLMXWIAOTYOXMV\nHXERTZWLEXTPIOTFRVMEJVYFFJLRPFMXDEBNSGCEOFFCWTKIDDGCFYSJKGLHBORWEPLDRXRSJYBGASSVCMHEEJFLVI",
"output": "NO"
},
{
"input": "EPBMDIUQAAUGLBIETKOKFLMTCVEPETWJRHHYKCKU\nHGMAETVPCFZYNNKDQXVXUALHYLOTCHM\nECGXACVKEYMCEDOTMKAUFHLHOMT",
"output": "NO"
},
{
"input": "NUBKQEJHALANSHEIFUZHYEZKKDRFHQKAJHLAOWTZIMOCWOVVDW\nEFVOBIGAUAUSQGVSNBKNOBDMINODMFSHDL\nKLAMKNTHBFFOHVKWICHBKNDDQNEISODUSDNLUSIOAVWY",
"output": "NO"
},
{
"input": "VXINHOMEQCATZUGAJEIUIZZLPYFGUTVLNBNWCUVMEENUXKBWBGZTMRJJVJDLVSLBABVCEUDDSQFHOYPYQTWVAGTWOLKYISAGHBMC\nZMRGXPZSHOGCSAECAPGVOIGCWEOWWOJXLGYRDMPXBLOKZVRACPYQLEQGFQCVYXAGBEBELUTDAYEAGPFKXRULZCKFHZCHVCWIRGPK\nRCVUXGQVNWFGRUDLLENNDQEJHYYVWMKTLOVIPELKPWCLSQPTAXAYEMGWCBXEVAIZGGDDRBRT",
"output": "NO"
},
{
"input": "PHBDHHWUUTZAHELGSGGOPOQXSXEZIXHZTOKYFBQLBDYWPVCNQSXHEAXRRPVHFJBVBYCJIFOTQTWSUOWXLKMVJJBNLGTVITWTCZZ\nFUPDLNVIHRWTEEEHOOEC\nLOUSUUSZCHJBPEWIILUOXEXRQNCJEGTOBRVZLTTZAHTKVEJSNGHFTAYGY",
"output": "NO"
},
{
"input": "GDSLNIIKTO\nJF\nPDQYFKDTNOLI",
"output": "NO"
},
{
"input": "AHOKHEKKPJLJIIWJRCGY\nORELJCSIX\nZVWPXVFWFSWOXXLIHJKPXIOKRELYE",
"output": "NO"
},
{
"input": "ZWCOJFORBPHXCOVJIDPKVECMHVHCOC\nTEV\nJVGTBFTLFVIEPCCHODOFOMCVZHWXVCPEH",
"output": "NO"
},
{
"input": "AGFIGYWJLVMYZGNQHEHWKJIAWBPUAQFERMCDROFN\nPMJNHMVNRGCYZAVRWNDSMLSZHFNYIUWFPUSKKIGU\nMCDVPPRXGUAYLSDRHRURZASXUWZSIIEZCPXUVEONKNGNWRYGOSFMCKESMVJZHWWUCHWDQMLASLNNMHAU",
"output": "NO"
},
{
"input": "XLOWVFCZSSXCSYQTIIDKHNTKNKEEDFMDZKXSPVLBIDIREDUAIN\nZKIWNDGBISDB\nSLPKLYFYSRNRMOSWYLJJDGFFENPOXYLPZFTQDANKBDNZDIIEWSUTTKYBKVICLG",
"output": "NO"
},
{
"input": "PMUKBTRKFIAYVGBKHZHUSJYSSEPEOEWPOSPJLWLOCTUYZODLTUAFCMVKGQKRRUSOMPAYOTBTFPXYAZXLOADDEJBDLYOTXJCJYTHA\nTWRRAJLCQJTKOKWCGUH\nEWDPNXVCXWCDQCOYKKSOYTFSZTOOPKPRDKFJDETKSRAJRVCPDOBWUGPYRJPUWJYWCBLKOOTUPBESTOFXZHTYLLMCAXDYAEBUTAHM",
"output": "NO"
},
{
"input": "QMIMGQRQDMJDPNFEFXSXQMCHEJKTWCTCVZPUAYICOIRYOWKUSIWXJLHDYWSBOITHTMINXFKBKAWZTXXBJIVYCRWKXNKIYKLDDXL\nV\nFWACCXBVDOJFIUAVYRALBYJKXXWIIFORRUHKHCXLDBZMXIYJWISFEAWTIQFIZSBXMKNOCQKVKRWDNDAMQSTKYLDNYVTUCGOJXJTW",
"output": "NO"
},
{
"input": "XJXPVOOQODELPPWUISSYVVXRJTYBPDHJNENQEVQNVFIXSESKXVYPVVHPMOSX\nLEXOPFPVPSZK\nZVXVPYEYOYXVOISVLXPOVHEQVXPNQJIOPFDTXEUNMPEPPHELNXKKWSVSOXSBPSJDPVJVSRFQ",
"output": "YES"
},
{
"input": "OSKFHGYNQLSRFSAHPXKGPXUHXTRBJNAQRBSSWJVEENLJCDDHFXVCUNPZAIVVO\nFNUOCXAGRRHNDJAHVVLGGEZQHWARYHENBKHP\nUOEFNWVXCUNERLKVTHAGPSHKHDYFPYWZHJKHQLSNFBJHVJANRXCNSDUGVDABGHVAOVHBJZXGRACHRXEGNRPQEAPORQSILNXFS",
"output": "YES"
},
{
"input": "VYXYVVACMLPDHONBUTQFZTRREERBLKUJYKAHZRCTRLRCLOZYWVPBRGDQPFPQIF\nFE\nRNRPEVDRLYUQFYRZBCQLCYZEABKLRXCJLKVZBVFUEYRATOMDRTHFPGOWQVTIFPPH",
"output": "YES"
},
{
"input": "WYXUZQJQNLASEGLHPMSARWMTTQMQLVAZLGHPIZTRVTCXDXBOLNXZPOFCTEHCXBZ\nBLQZRRWP\nGIQZXPLTTMNHQVWPPEAPLOCDMBSTHRCFLCQRRZXLVAOQEGZBRUZJXXZTMAWLZHSLWNQTYXB",
"output": "YES"
},
{
"input": "MKVJTSSTDGKPVVDPYSRJJYEVGKBMSIOKHLZQAEWLRIBINVRDAJIBCEITKDHUCCVY\nPUJJQFHOGZKTAVNUGKQUHMKTNHCCTI\nQVJKUSIGTSVYUMOMLEGHWYKSKQTGATTKBNTKCJKJPCAIRJIRMHKBIZISEGFHVUVQZBDERJCVAKDLNTHUDCHONDCVVJIYPP",
"output": "YES"
},
{
"input": "OKNJOEYVMZXJMLVJHCSPLUCNYGTDASKSGKKCRVIDGEIBEWRVBVRVZZTLMCJLXHJIA\nDJBFVRTARTFZOWN\nAGHNVUNJVCPLWSVYBJKZSVTFGLELZASLWTIXDDJXCZDICTVIJOTMVEYOVRNMJGRKKHRMEBORAKFCZJBR",
"output": "YES"
},
{
"input": "OQZACLPSAGYDWHFXDFYFRRXWGIEJGSXWUONAFWNFXDTGVNDEWNQPHUXUJNZWWLBPYL\nOHBKWRFDRQUAFRCMT\nWIQRYXRJQWWRUWCYXNXALKFZGXFTLOODWRDPGURFUFUQOHPWBASZNVWXNCAGHWEHFYESJNFBMNFDDAPLDGT",
"output": "YES"
},
{
"input": "OVIRQRFQOOWVDEPLCJETWQSINIOPLTLXHSQWUYUJNFBMKDNOSHNJQQCDHZOJVPRYVSV\nMYYDQKOOYPOOUELCRIT\nNZSOTVLJTTVQLFHDQEJONEOUOFOLYVSOIYUDNOSIQVIRMVOERCLMYSHPCQKIDRDOQPCUPQBWWRYYOXJWJQPNKH",
"output": "YES"
},
{
"input": "WGMBZWNMSJXNGDUQUJTCNXDSJJLYRDOPEGPQXYUGBESDLFTJRZDDCAAFGCOCYCQMDBWK\nYOBMOVYTUATTFGJLYUQD\nDYXVTLQCYFJUNJTUXPUYOPCBCLBWNSDUJRJGWDOJDSQAAMUOJWSYERDYDXYTMTOTMQCGQZDCGNFBALGGDFKZMEBG",
"output": "YES"
},
{
"input": "CWLRBPMEZCXAPUUQFXCUHAQTLPBTXUUKWVXKBHKNSSJFEXLZMXGVFHHVTPYAQYTIKXJJE\nMUFOSEUEXEQTOVLGDSCWM\nJUKEQCXOXWEHCGKFPBIGMWVJLXUONFXBYTUAXERYTXKCESKLXAEHVPZMMUFTHLXTTZSDMBJLQPEUWCVUHSQQVUASPF",
"output": "YES"
},
{
"input": "IDQRX\nWETHO\nODPDGBHVUVSSISROHQJTUKPUCLXABIZQQPPBPKOSEWGEHRSRRNBAVLYEMZISMWWGKHVTXKUGUXEFBSWOIWUHRJGMWBMHQLDZHBWA",
"output": "NO"
},
{
"input": "IXFDY\nJRMOU\nDF",
"output": "NO"
},
{
"input": "JPSPZ\nUGCUB\nJMZZZZZZZZ",
"output": "NO"
},
{
"input": "AC\nA\nBBA",
"output": "NO"
},
{
"input": "UIKWWKXLSHTOOZOVGXKYSOJEHAUEEG\nKZXQDWJJWRXFHKJDQHJK\nXMZHTFOGEXAUJXXJUYVJIFOTKLZHDKELJWERHMGAWGKWAQKEKHIDWGGZVYOHKXRPWSJDPESFJUMKQYWBYUTHQYEFZUGKQOBHYDWB",
"output": "NO"
},
{
"input": "PXWRXRPFLR\nPJRWWXIVHODV\nXW",
"output": "NO"
},
{
"input": "CHTAZVHGSHCVIBK\nEQINEBKXEPYJSAZIMLDF\nZCZZZZDZMCZZEZDZZEZZZZQZZBZZZOZZCZE",
"output": "NO"
},
{
"input": "GXPZFSELJJNDAXYRV\nUYBKPMVBSOVOJWMONLTJOJCNQKMTAHEWLHOWIIBH\nHCWNFWJPEJIWOVPTBMVCRJLSISSVNOHCKLBFMIUAIMASQWPXEYXBOXQGFEMYJLBKDCZIMJNHOJEDGGANIVYKQTUOSOVOPWHVJGXH",
"output": "NO"
},
{
"input": "LFGJCJJDUTUP\nOVSBILTIYCJCRHKCIXCETJQJJ\nGIJJTJCLTJJJ",
"output": "NO"
},
{
"input": "GIO\nPRL\nPRL",
"output": "NO"
},
{
"input": "A\nB\nABC",
"output": "NO"
},
{
"input": "KKK\nKKK\nZZZZZ",
"output": "NO"
},
{
"input": "ZMYGQLDBLAPN\nZFJBKWHROVNPSJQUDFTHOCGREUFLYIWYICD\nZMJZZEDAZANKZZZZZZEZZBZDZZZZZZKHZZFZZZDZNZMDZZA",
"output": "NO"
}
] | 1,692,255,666
| 2,147,483,647
|
PyPy 3-64
|
OK
|
TESTS
| 54
| 124
| 0
|
a=input()
b=input()
c=input()
f=a+b
res1=' '.join(sorted(f))
res2=' '.join(sorted(c))
if res1==res2:
print('YES')
else:
print('NO')
|
Title: Amusing Joke
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
So, the New Year holidays are over. Santa Claus and his colleagues can take a rest and have guests at last. When two "New Year and Christmas Men" meet, thear assistants cut out of cardboard the letters from the guest's name and the host's name in honor of this event. Then the hung the letters above the main entrance. One night, when everyone went to bed, someone took all the letters of our characters' names. Then he may have shuffled the letters and put them in one pile in front of the door.
The next morning it was impossible to find the culprit who had made the disorder. But everybody wondered whether it is possible to restore the names of the host and his guests from the letters lying at the door? That is, we need to verify that there are no extra letters, and that nobody will need to cut more letters.
Help the "New Year and Christmas Men" and their friends to cope with this problem. You are given both inscriptions that hung over the front door the previous night, and a pile of letters that were found at the front door next morning.
Input Specification:
The input file consists of three lines: the first line contains the guest's name, the second line contains the name of the residence host and the third line contains letters in a pile that were found at the door in the morning. All lines are not empty and contain only uppercase Latin letters. The length of each line does not exceed 100.
Output Specification:
Print "YES" without the quotes, if the letters in the pile could be permuted to make the names of the "New Year and Christmas Men". Otherwise, print "NO" without the quotes.
Demo Input:
['SANTACLAUS\nDEDMOROZ\nSANTAMOROZDEDCLAUS\n', 'PAPAINOEL\nJOULUPUKKI\nJOULNAPAOILELUPUKKI\n', 'BABBONATALE\nFATHERCHRISTMAS\nBABCHRISTMASBONATALLEFATHER\n']
Demo Output:
['YES\n', 'NO\n', 'NO\n']
Note:
In the first sample the letters written in the last line can be used to write the names and there won't be any extra letters left.
In the second sample letter "P" is missing from the pile and there's an extra letter "L".
In the third sample there's an extra letter "L".
|
```python
a=input()
b=input()
c=input()
f=a+b
res1=' '.join(sorted(f))
res2=' '.join(sorted(c))
if res1==res2:
print('YES')
else:
print('NO')
```
| 3
|
|
71
|
A
|
Way Too Long Words
|
PROGRAMMING
| 800
|
[
"strings"
] |
A. Way Too Long Words
|
1
|
256
|
Sometimes some words like "localization" or "internationalization" are so long that writing them many times in one text is quite tiresome.
Let's consider a word too long, if its length is strictly more than 10 characters. All too long words should be replaced with a special abbreviation.
This abbreviation is made like this: we write down the first and the last letter of a word and between them we write the number of letters between the first and the last letters. That number is in decimal system and doesn't contain any leading zeroes.
Thus, "localization" will be spelt as "l10n", and "internationalization» will be spelt as "i18n".
You are suggested to automatize the process of changing the words with abbreviations. At that all too long words should be replaced by the abbreviation and the words that are not too long should not undergo any changes.
|
The first line contains an integer *n* (1<=≤<=*n*<=≤<=100). Each of the following *n* lines contains one word. All the words consist of lowercase Latin letters and possess the lengths of from 1 to 100 characters.
|
Print *n* lines. The *i*-th line should contain the result of replacing of the *i*-th word from the input data.
|
[
"4\nword\nlocalization\ninternationalization\npneumonoultramicroscopicsilicovolcanoconiosis\n"
] |
[
"word\nl10n\ni18n\np43s\n"
] |
none
| 500
|
[
{
"input": "4\nword\nlocalization\ninternationalization\npneumonoultramicroscopicsilicovolcanoconiosis",
"output": "word\nl10n\ni18n\np43s"
},
{
"input": "5\nabcdefgh\nabcdefghi\nabcdefghij\nabcdefghijk\nabcdefghijklm",
"output": "abcdefgh\nabcdefghi\nabcdefghij\na9k\na11m"
},
{
"input": "3\nnjfngnrurunrgunrunvurn\njfvnjfdnvjdbfvsbdubruvbubvkdb\nksdnvidnviudbvibd",
"output": "n20n\nj27b\nk15d"
},
{
"input": "1\ntcyctkktcctrcyvbyiuhihhhgyvyvyvyvjvytchjckt",
"output": "t41t"
},
{
"input": "24\nyou\nare\nregistered\nfor\npractice\nyou\ncan\nsolve\nproblems\nunofficially\nresults\ncan\nbe\nfound\nin\nthe\ncontest\nstatus\nand\nin\nthe\nbottom\nof\nstandings",
"output": "you\nare\nregistered\nfor\npractice\nyou\ncan\nsolve\nproblems\nu10y\nresults\ncan\nbe\nfound\nin\nthe\ncontest\nstatus\nand\nin\nthe\nbottom\nof\nstandings"
},
{
"input": "1\na",
"output": "a"
},
{
"input": "26\na\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk\nl\nm\nn\no\np\nq\nr\ns\nt\nu\nv\nw\nx\ny\nz",
"output": "a\nb\nc\nd\ne\nf\ng\nh\ni\nj\nk\nl\nm\nn\no\np\nq\nr\ns\nt\nu\nv\nw\nx\ny\nz"
},
{
"input": "1\nabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij",
"output": "a98j"
},
{
"input": "10\ngyartjdxxlcl\nfzsck\nuidwu\nxbymclornemdmtj\nilppyoapitawgje\ncibzc\ndrgbeu\nhezplmsdekhhbo\nfeuzlrimbqbytdu\nkgdco",
"output": "g10l\nfzsck\nuidwu\nx13j\ni13e\ncibzc\ndrgbeu\nh12o\nf13u\nkgdco"
},
{
"input": "20\nlkpmx\nkovxmxorlgwaomlswjxlpnbvltfv\nhykasjxqyjrmybejnmeumzha\ntuevlumpqbbhbww\nqgqsphvrmupxxc\ntrissbaf\nqfgrlinkzvzqdryckaizutd\nzzqtoaxkvwoscyx\noswytrlnhpjvvnwookx\nlpuzqgec\ngyzqfwxggtvpjhzmzmdw\nrlxjgmvdftvrmvbdwudra\nvsntnjpepnvdaxiporggmglhagv\nxlvcqkqgcrbgtgglj\nlyxwxbiszyhlsrgzeedzprbmcpduvq\nyrmqqvrkqskqukzqrwukpsifgtdc\nxpuohcsjhhuhvr\nvvlfrlxpvqejngwrbfbpmqeirxlw\nsvmasocxdvadmaxtrpakysmeaympy\nyuflqboqfdt",
"output": "lkpmx\nk26v\nh22a\nt13w\nq12c\ntrissbaf\nq21d\nz13x\no17x\nlpuzqgec\ng18w\nr19a\nv25v\nx15j\nl28q\ny26c\nx12r\nv26w\ns27y\ny9t"
},
{
"input": "100\nm\nz\ns\nv\nd\nr\nv\ny\ny\ne\np\nt\nc\na\nn\nm\np\ng\ni\nj\nc\na\nb\nq\ne\nn\nv\no\nk\nx\nf\ni\nl\na\nq\nr\nu\nb\ns\nl\nc\nl\ne\nv\nj\nm\nx\nb\na\nq\nb\na\nf\nj\nv\nm\nq\nc\nt\nt\nn\nx\no\ny\nr\nu\nh\nm\nj\np\nj\nq\nz\ns\nj\no\ng\nc\nm\nn\no\nm\nr\no\ns\nt\nh\nr\np\nk\nb\nz\ng\no\nc\nc\nz\nz\ng\nr",
"output": "m\nz\ns\nv\nd\nr\nv\ny\ny\ne\np\nt\nc\na\nn\nm\np\ng\ni\nj\nc\na\nb\nq\ne\nn\nv\no\nk\nx\nf\ni\nl\na\nq\nr\nu\nb\ns\nl\nc\nl\ne\nv\nj\nm\nx\nb\na\nq\nb\na\nf\nj\nv\nm\nq\nc\nt\nt\nn\nx\no\ny\nr\nu\nh\nm\nj\np\nj\nq\nz\ns\nj\no\ng\nc\nm\nn\no\nm\nr\no\ns\nt\nh\nr\np\nk\nb\nz\ng\no\nc\nc\nz\nz\ng\nr"
}
] | 1,691,663,951
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 0
| 15
| 0
|
s = input()
n = len(s)
c = n-2
print(s[0]+str(c)+s[-1])
|
Title: Way Too Long Words
Time Limit: 1 seconds
Memory Limit: 256 megabytes
Problem Description:
Sometimes some words like "localization" or "internationalization" are so long that writing them many times in one text is quite tiresome.
Let's consider a word too long, if its length is strictly more than 10 characters. All too long words should be replaced with a special abbreviation.
This abbreviation is made like this: we write down the first and the last letter of a word and between them we write the number of letters between the first and the last letters. That number is in decimal system and doesn't contain any leading zeroes.
Thus, "localization" will be spelt as "l10n", and "internationalization» will be spelt as "i18n".
You are suggested to automatize the process of changing the words with abbreviations. At that all too long words should be replaced by the abbreviation and the words that are not too long should not undergo any changes.
Input Specification:
The first line contains an integer *n* (1<=≤<=*n*<=≤<=100). Each of the following *n* lines contains one word. All the words consist of lowercase Latin letters and possess the lengths of from 1 to 100 characters.
Output Specification:
Print *n* lines. The *i*-th line should contain the result of replacing of the *i*-th word from the input data.
Demo Input:
['4\nword\nlocalization\ninternationalization\npneumonoultramicroscopicsilicovolcanoconiosis\n']
Demo Output:
['word\nl10n\ni18n\np43s\n']
Note:
none
|
```python
s = input()
n = len(s)
c = n-2
print(s[0]+str(c)+s[-1])
```
| 0
|
965
|
A
|
Paper Airplanes
|
PROGRAMMING
| 800
|
[
"math"
] | null | null |
To make a paper airplane, one has to use a rectangular piece of paper. From a sheet of standard size you can make $s$ airplanes.
A group of $k$ people decided to make $n$ airplanes each. They are going to buy several packs of paper, each of them containing $p$ sheets, and then distribute the sheets between the people. Each person should have enough sheets to make $n$ airplanes. How many packs should they buy?
|
The only line contains four integers $k$, $n$, $s$, $p$ ($1 \le k, n, s, p \le 10^4$) — the number of people, the number of airplanes each should make, the number of airplanes that can be made using one sheet and the number of sheets in one pack, respectively.
|
Print a single integer — the minimum number of packs they should buy.
|
[
"5 3 2 3\n",
"5 3 100 1\n"
] |
[
"4\n",
"5\n"
] |
In the first sample they have to buy $4$ packs of paper: there will be $12$ sheets in total, and giving $2$ sheets to each person is enough to suit everyone's needs.
In the second sample they have to buy a pack for each person as they can't share sheets.
| 500
|
[
{
"input": "5 3 2 3",
"output": "4"
},
{
"input": "5 3 100 1",
"output": "5"
},
{
"input": "10000 10000 1 1",
"output": "100000000"
},
{
"input": "1 1 10000 10000",
"output": "1"
},
{
"input": "300 300 21 23",
"output": "196"
},
{
"input": "300 2 37 51",
"output": "6"
},
{
"input": "2 400 23 57",
"output": "1"
},
{
"input": "1 1 1 1",
"output": "1"
},
{
"input": "10000 10000 3 2",
"output": "16670000"
},
{
"input": "1 2 1 2",
"output": "1"
},
{
"input": "1 1 2 2",
"output": "1"
},
{
"input": "1 1 10 10",
"output": "1"
},
{
"input": "5324 5439 32 13",
"output": "69622"
},
{
"input": "9000 1 2432 1",
"output": "9000"
},
{
"input": "230 1234 9124 23",
"output": "10"
},
{
"input": "11 1 1 1",
"output": "11"
},
{
"input": "6246 8489 1227 9",
"output": "4858"
},
{
"input": "9 20 5 7",
"output": "6"
}
] | 1,689,965,007
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 1
| 30
| 0
|
k, n, s, p = map(int, input().split())
r = k%p
r2 = n%s
if s > n:
if p > k:
print(1)
elif k > p and r==0:
print(k/p)
elif k > p and r > 0:
print((k//p)+1)
elif n > s:
if r2>0:
if (k*(n//s+1))%p == 0:
print((k*(n//s+1))//p)
else:
print((k*(n//s+1))//p+1)
elif r2 == 0:
if (k*(n//s))%p == 0:
print((k*(n//s))//p)
else:
print((k*(n//s))//p+1)
elif n == s:
if k%p >0:
print(k//p+1)
else:
print(k//p)
|
Title: Paper Airplanes
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
To make a paper airplane, one has to use a rectangular piece of paper. From a sheet of standard size you can make $s$ airplanes.
A group of $k$ people decided to make $n$ airplanes each. They are going to buy several packs of paper, each of them containing $p$ sheets, and then distribute the sheets between the people. Each person should have enough sheets to make $n$ airplanes. How many packs should they buy?
Input Specification:
The only line contains four integers $k$, $n$, $s$, $p$ ($1 \le k, n, s, p \le 10^4$) — the number of people, the number of airplanes each should make, the number of airplanes that can be made using one sheet and the number of sheets in one pack, respectively.
Output Specification:
Print a single integer — the minimum number of packs they should buy.
Demo Input:
['5 3 2 3\n', '5 3 100 1\n']
Demo Output:
['4\n', '5\n']
Note:
In the first sample they have to buy $4$ packs of paper: there will be $12$ sheets in total, and giving $2$ sheets to each person is enough to suit everyone's needs.
In the second sample they have to buy a pack for each person as they can't share sheets.
|
```python
k, n, s, p = map(int, input().split())
r = k%p
r2 = n%s
if s > n:
if p > k:
print(1)
elif k > p and r==0:
print(k/p)
elif k > p and r > 0:
print((k//p)+1)
elif n > s:
if r2>0:
if (k*(n//s+1))%p == 0:
print((k*(n//s+1))//p)
else:
print((k*(n//s+1))//p+1)
elif r2 == 0:
if (k*(n//s))%p == 0:
print((k*(n//s))//p)
else:
print((k*(n//s))//p+1)
elif n == s:
if k%p >0:
print(k//p+1)
else:
print(k//p)
```
| 0
|
|
50
|
A
|
Domino piling
|
PROGRAMMING
| 800
|
[
"greedy",
"math"
] |
A. Domino piling
|
2
|
256
|
You are given a rectangular board of *M*<=×<=*N* squares. Also you are given an unlimited number of standard domino pieces of 2<=×<=1 squares. You are allowed to rotate the pieces. You are asked to place as many dominoes as possible on the board so as to meet the following conditions:
1. Each domino completely covers two squares.
2. No two dominoes overlap.
3. Each domino lies entirely inside the board. It is allowed to touch the edges of the board.
Find the maximum number of dominoes, which can be placed under these restrictions.
|
In a single line you are given two integers *M* and *N* — board sizes in squares (1<=≤<=*M*<=≤<=*N*<=≤<=16).
|
Output one number — the maximal number of dominoes, which can be placed.
|
[
"2 4\n",
"3 3\n"
] |
[
"4\n",
"4\n"
] |
none
| 500
|
[
{
"input": "2 4",
"output": "4"
},
{
"input": "3 3",
"output": "4"
},
{
"input": "1 5",
"output": "2"
},
{
"input": "1 6",
"output": "3"
},
{
"input": "1 15",
"output": "7"
},
{
"input": "1 16",
"output": "8"
},
{
"input": "2 5",
"output": "5"
},
{
"input": "2 6",
"output": "6"
},
{
"input": "2 7",
"output": "7"
},
{
"input": "2 14",
"output": "14"
},
{
"input": "2 15",
"output": "15"
},
{
"input": "1 4",
"output": "2"
},
{
"input": "2 16",
"output": "16"
},
{
"input": "3 5",
"output": "7"
},
{
"input": "3 6",
"output": "9"
},
{
"input": "3 10",
"output": "15"
},
{
"input": "3 14",
"output": "21"
},
{
"input": "3 15",
"output": "22"
},
{
"input": "3 16",
"output": "24"
},
{
"input": "5 7",
"output": "17"
},
{
"input": "16 16",
"output": "128"
},
{
"input": "15 16",
"output": "120"
},
{
"input": "2 3",
"output": "3"
},
{
"input": "15 15",
"output": "112"
},
{
"input": "14 16",
"output": "112"
},
{
"input": "11 13",
"output": "71"
},
{
"input": "5 16",
"output": "40"
},
{
"input": "8 15",
"output": "60"
},
{
"input": "2 2",
"output": "2"
},
{
"input": "3 4",
"output": "6"
},
{
"input": "4 4",
"output": "8"
},
{
"input": "1 1",
"output": "0"
},
{
"input": "1 2",
"output": "1"
},
{
"input": "1 3",
"output": "1"
},
{
"input": "14 15",
"output": "105"
}
] | 1,664,811,225
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 35
| 92
| 0
|
arr = [int (x) for x in input().split()]
m = arr[0]
n = arr[1]
total = int(m*n / 2)
print(total)
|
Title: Domino piling
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
You are given a rectangular board of *M*<=×<=*N* squares. Also you are given an unlimited number of standard domino pieces of 2<=×<=1 squares. You are allowed to rotate the pieces. You are asked to place as many dominoes as possible on the board so as to meet the following conditions:
1. Each domino completely covers two squares.
2. No two dominoes overlap.
3. Each domino lies entirely inside the board. It is allowed to touch the edges of the board.
Find the maximum number of dominoes, which can be placed under these restrictions.
Input Specification:
In a single line you are given two integers *M* and *N* — board sizes in squares (1<=≤<=*M*<=≤<=*N*<=≤<=16).
Output Specification:
Output one number — the maximal number of dominoes, which can be placed.
Demo Input:
['2 4\n', '3 3\n']
Demo Output:
['4\n', '4\n']
Note:
none
|
```python
arr = [int (x) for x in input().split()]
m = arr[0]
n = arr[1]
total = int(m*n / 2)
print(total)
```
| 3.977
|
437
|
C
|
The Child and Toy
|
PROGRAMMING
| 1,400
|
[
"graphs",
"greedy",
"sortings"
] | null | null |
On Children's Day, the child got a toy from Delayyy as a present. However, the child is so naughty that he can't wait to destroy the toy.
The toy consists of *n* parts and *m* ropes. Each rope links two parts, but every pair of parts is linked by at most one rope. To split the toy, the child must remove all its parts. The child can remove a single part at a time, and each remove consume an energy. Let's define an energy value of part *i* as *v**i*. The child spend *v**f*1<=+<=*v**f*2<=+<=...<=+<=*v**f**k* energy for removing part *i* where *f*1,<=*f*2,<=...,<=*f**k* are the parts that are directly connected to the *i*-th and haven't been removed.
Help the child to find out, what is the minimum total energy he should spend to remove all *n* parts.
|
The first line contains two integers *n* and *m* (1<=≤<=*n*<=≤<=1000; 0<=≤<=*m*<=≤<=2000). The second line contains *n* integers: *v*1,<=*v*2,<=...,<=*v**n* (0<=≤<=*v**i*<=≤<=105). Then followed *m* lines, each line contains two integers *x**i* and *y**i*, representing a rope from part *x**i* to part *y**i* (1<=≤<=*x**i*,<=*y**i*<=≤<=*n*; *x**i*<=≠<=*y**i*).
Consider all the parts are numbered from 1 to *n*.
|
Output the minimum total energy the child should spend to remove all *n* parts of the toy.
|
[
"4 3\n10 20 30 40\n1 4\n1 2\n2 3\n",
"4 4\n100 100 100 100\n1 2\n2 3\n2 4\n3 4\n",
"7 10\n40 10 20 10 20 80 40\n1 5\n4 7\n4 5\n5 2\n5 7\n6 4\n1 6\n1 3\n4 3\n1 4\n"
] |
[
"40\n",
"400\n",
"160\n"
] |
One of the optimal sequence of actions in the first sample is:
- First, remove part 3, cost of the action is 20. - Then, remove part 2, cost of the action is 10. - Next, remove part 4, cost of the action is 10. - At last, remove part 1, cost of the action is 0.
So the total energy the child paid is 20 + 10 + 10 + 0 = 40, which is the minimum.
In the second sample, the child will spend 400 no matter in what order he will remove the parts.
| 1,500
|
[
{
"input": "4 3\n10 20 30 40\n1 4\n1 2\n2 3",
"output": "40"
},
{
"input": "4 4\n100 100 100 100\n1 2\n2 3\n2 4\n3 4",
"output": "400"
},
{
"input": "7 10\n40 10 20 10 20 80 40\n1 5\n4 7\n4 5\n5 2\n5 7\n6 4\n1 6\n1 3\n4 3\n1 4",
"output": "160"
},
{
"input": "1 0\n23333",
"output": "0"
},
{
"input": "5 4\n1 2 2 2 2\n1 2\n1 3\n1 4\n1 5",
"output": "4"
},
{
"input": "10 30\n3 6 17 15 13 15 6 12 9 1\n3 8\n1 10\n4 7\n1 7\n3 7\n2 9\n8 10\n3 1\n3 4\n8 6\n10 3\n3 9\n2 3\n10 4\n2 10\n5 8\n9 5\n6 1\n2 1\n7 2\n7 6\n7 10\n4 8\n5 6\n3 6\n4 1\n8 9\n7 9\n4 2\n5 10",
"output": "188"
},
{
"input": "3 3\n1 1 1\n1 2\n2 3\n3 1",
"output": "3"
}
] | 1,608,807,756
| 2,147,483,647
|
Python 3
|
OK
|
TESTS
| 29
| 109
| 307,200
|
n, m = map(int, input("").split())
weight_list = list(map(int, input("").split()))
vertice_weights = { i: weight_list[i-1] for i in range(1, n+1)}
edge_list = []
for i in range(m):
start, end = map(int, input("").split())
edge_list.append((start, end))
min_energy = 0
for edge in edge_list:
start, end = edge[0], edge[1]
if vertice_weights[start] < vertice_weights[end]:
min_energy += vertice_weights[start]
else:
min_energy += vertice_weights[end]
print(min_energy)
|
Title: The Child and Toy
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
On Children's Day, the child got a toy from Delayyy as a present. However, the child is so naughty that he can't wait to destroy the toy.
The toy consists of *n* parts and *m* ropes. Each rope links two parts, but every pair of parts is linked by at most one rope. To split the toy, the child must remove all its parts. The child can remove a single part at a time, and each remove consume an energy. Let's define an energy value of part *i* as *v**i*. The child spend *v**f*1<=+<=*v**f*2<=+<=...<=+<=*v**f**k* energy for removing part *i* where *f*1,<=*f*2,<=...,<=*f**k* are the parts that are directly connected to the *i*-th and haven't been removed.
Help the child to find out, what is the minimum total energy he should spend to remove all *n* parts.
Input Specification:
The first line contains two integers *n* and *m* (1<=≤<=*n*<=≤<=1000; 0<=≤<=*m*<=≤<=2000). The second line contains *n* integers: *v*1,<=*v*2,<=...,<=*v**n* (0<=≤<=*v**i*<=≤<=105). Then followed *m* lines, each line contains two integers *x**i* and *y**i*, representing a rope from part *x**i* to part *y**i* (1<=≤<=*x**i*,<=*y**i*<=≤<=*n*; *x**i*<=≠<=*y**i*).
Consider all the parts are numbered from 1 to *n*.
Output Specification:
Output the minimum total energy the child should spend to remove all *n* parts of the toy.
Demo Input:
['4 3\n10 20 30 40\n1 4\n1 2\n2 3\n', '4 4\n100 100 100 100\n1 2\n2 3\n2 4\n3 4\n', '7 10\n40 10 20 10 20 80 40\n1 5\n4 7\n4 5\n5 2\n5 7\n6 4\n1 6\n1 3\n4 3\n1 4\n']
Demo Output:
['40\n', '400\n', '160\n']
Note:
One of the optimal sequence of actions in the first sample is:
- First, remove part 3, cost of the action is 20. - Then, remove part 2, cost of the action is 10. - Next, remove part 4, cost of the action is 10. - At last, remove part 1, cost of the action is 0.
So the total energy the child paid is 20 + 10 + 10 + 0 = 40, which is the minimum.
In the second sample, the child will spend 400 no matter in what order he will remove the parts.
|
```python
n, m = map(int, input("").split())
weight_list = list(map(int, input("").split()))
vertice_weights = { i: weight_list[i-1] for i in range(1, n+1)}
edge_list = []
for i in range(m):
start, end = map(int, input("").split())
edge_list.append((start, end))
min_energy = 0
for edge in edge_list:
start, end = edge[0], edge[1]
if vertice_weights[start] < vertice_weights[end]:
min_energy += vertice_weights[start]
else:
min_energy += vertice_weights[end]
print(min_energy)
```
| 3
|
|
450
|
A
|
Jzzhu and Children
|
PROGRAMMING
| 1,000
|
[
"implementation"
] | null | null |
There are *n* children in Jzzhu's school. Jzzhu is going to give some candies to them. Let's number all the children from 1 to *n*. The *i*-th child wants to get at least *a**i* candies.
Jzzhu asks children to line up. Initially, the *i*-th child stands at the *i*-th place of the line. Then Jzzhu start distribution of the candies. He follows the algorithm:
1. Give *m* candies to the first child of the line. 1. If this child still haven't got enough candies, then the child goes to the end of the line, else the child go home. 1. Repeat the first two steps while the line is not empty.
Consider all the children in the order they go home. Jzzhu wants to know, which child will be the last in this order?
|
The first line contains two integers *n*,<=*m* (1<=≤<=*n*<=≤<=100; 1<=≤<=*m*<=≤<=100). The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=100).
|
Output a single integer, representing the number of the last child.
|
[
"5 2\n1 3 1 4 2\n",
"6 4\n1 1 2 2 3 3\n"
] |
[
"4\n",
"6\n"
] |
Let's consider the first sample.
Firstly child 1 gets 2 candies and go home. Then child 2 gets 2 candies and go to the end of the line. Currently the line looks like [3, 4, 5, 2] (indices of the children in order of the line). Then child 3 gets 2 candies and go home, and then child 4 gets 2 candies and goes to the end of the line. Currently the line looks like [5, 2, 4]. Then child 5 gets 2 candies and goes home. Then child 2 gets two candies and goes home, and finally child 4 gets 2 candies and goes home.
Child 4 is the last one who goes home.
| 500
|
[
{
"input": "5 2\n1 3 1 4 2",
"output": "4"
},
{
"input": "6 4\n1 1 2 2 3 3",
"output": "6"
},
{
"input": "7 3\n6 1 5 4 2 3 1",
"output": "4"
},
{
"input": "10 5\n2 7 3 6 2 5 1 3 4 5",
"output": "4"
},
{
"input": "100 1\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100",
"output": "100"
},
{
"input": "9 3\n9 5 2 3 7 1 8 4 6",
"output": "7"
},
{
"input": "20 10\n58 4 32 10 73 7 30 39 47 6 59 21 24 66 79 79 46 13 29 58",
"output": "16"
},
{
"input": "50 5\n89 56 3 2 40 37 56 52 83 59 43 83 43 59 29 74 22 58 53 41 53 67 78 30 57 32 58 29 95 46 45 85 60 49 41 82 8 71 52 40 45 26 6 71 84 91 4 93 40 54",
"output": "48"
},
{
"input": "50 1\n4 3 9 7 6 8 3 7 10 9 8 8 10 2 9 3 2 4 4 10 4 6 8 10 9 9 4 2 8 9 4 4 9 5 1 5 2 4 4 9 10 2 5 10 7 2 8 6 8 1",
"output": "44"
},
{
"input": "50 5\n3 9 10 8 3 3 4 6 8 2 9 9 3 1 2 10 6 8 7 2 7 4 2 7 5 10 2 2 2 5 10 5 6 6 8 7 10 4 3 2 10 8 6 6 8 6 4 4 1 3",
"output": "46"
},
{
"input": "50 2\n56 69 72 15 95 92 51 1 74 87 100 29 46 54 18 81 84 72 84 83 20 63 71 27 45 74 50 89 48 8 21 15 47 3 39 73 80 84 6 99 17 25 56 3 74 64 71 39 89 78",
"output": "40"
},
{
"input": "50 3\n31 39 64 16 86 3 1 9 25 54 98 42 20 3 49 41 73 37 55 62 33 77 64 22 33 82 26 13 10 13 7 40 48 18 46 79 94 72 19 12 11 61 16 37 10 49 14 94 48 69",
"output": "11"
},
{
"input": "50 100\n67 67 61 68 42 29 70 77 12 61 71 27 4 73 87 52 59 38 93 90 31 27 87 47 26 57 76 6 28 72 81 68 50 84 69 79 39 93 52 6 88 12 46 13 90 68 71 38 90 95",
"output": "50"
},
{
"input": "100 3\n4 14 20 11 19 11 14 20 5 7 6 12 11 17 5 11 7 6 2 10 13 5 12 8 5 17 20 18 7 19 11 7 7 20 20 8 10 17 17 19 20 5 15 16 19 7 11 16 4 17 2 10 1 20 20 16 19 9 9 11 5 7 12 9 9 6 20 18 13 19 8 4 8 1 2 4 10 11 15 14 1 7 17 12 13 19 12 2 3 14 15 15 5 17 14 12 17 14 16 9",
"output": "86"
},
{
"input": "100 5\n16 8 14 16 12 11 17 19 19 2 8 9 5 6 19 9 11 18 6 9 14 16 14 18 17 17 17 5 15 20 19 7 7 10 10 5 14 20 5 19 11 16 16 19 17 9 7 12 14 10 2 11 14 5 20 8 10 11 19 2 14 14 19 17 5 10 8 8 4 2 1 10 20 12 14 11 7 6 6 15 1 5 9 15 3 17 16 17 5 14 11 9 16 15 1 11 10 6 15 7",
"output": "93"
},
{
"input": "100 1\n58 94 18 50 17 14 96 62 83 80 75 5 9 22 25 41 3 96 74 45 66 37 2 37 13 85 68 54 77 11 85 19 25 21 52 59 90 61 72 89 82 22 10 16 3 68 61 29 55 76 28 85 65 76 27 3 14 10 56 37 86 18 35 38 56 68 23 88 33 38 52 87 55 83 94 34 100 41 83 56 91 77 32 74 97 13 67 31 57 81 53 39 5 88 46 1 79 4 49 42",
"output": "77"
},
{
"input": "100 2\n1 51 76 62 34 93 90 43 57 59 52 78 3 48 11 60 57 48 5 54 28 81 87 23 44 77 67 61 14 73 29 53 21 89 67 41 47 9 63 37 1 71 40 85 4 14 77 40 78 75 89 74 4 70 32 65 81 95 49 90 72 41 76 55 69 83 73 84 85 93 46 6 74 90 62 37 97 7 7 37 83 30 37 88 34 16 11 59 85 19 57 63 85 20 63 97 97 65 61 48",
"output": "97"
},
{
"input": "100 3\n30 83 14 55 61 66 34 98 90 62 89 74 45 93 33 31 75 35 82 100 63 69 48 18 99 2 36 71 14 30 70 76 96 85 97 90 49 36 6 76 37 94 70 3 63 73 75 48 39 29 13 2 46 26 9 56 1 18 54 53 85 34 2 12 1 93 75 67 77 77 14 26 33 25 55 9 57 70 75 6 87 66 18 3 41 69 73 24 49 2 20 72 39 58 91 54 74 56 66 78",
"output": "20"
},
{
"input": "100 4\n69 92 76 3 32 50 15 38 21 22 14 3 67 41 95 12 10 62 83 52 78 1 18 58 94 35 62 71 58 75 13 73 60 34 50 97 50 70 19 96 53 10 100 26 20 39 62 59 88 26 24 83 70 68 66 8 6 38 16 93 2 91 81 89 78 74 21 8 31 56 28 53 77 5 81 5 94 42 77 75 92 15 59 36 61 18 55 45 69 68 81 51 12 42 85 74 98 31 17 41",
"output": "97"
},
{
"input": "100 5\n2 72 10 60 6 50 72 34 97 77 35 43 80 64 40 53 46 6 90 22 29 70 26 68 52 19 72 88 83 18 55 32 99 81 11 21 39 42 41 63 60 97 30 23 55 78 89 35 24 50 99 52 27 76 24 8 20 27 51 37 17 82 69 18 46 19 26 77 52 83 76 65 43 66 84 84 13 30 66 88 84 23 37 1 17 26 11 50 73 56 54 37 40 29 35 8 1 39 50 82",
"output": "51"
},
{
"input": "100 7\n6 73 7 54 92 33 66 65 80 47 2 53 28 59 61 16 54 89 37 48 77 40 49 59 27 52 17 22 78 80 81 80 8 93 50 7 87 57 29 16 89 55 20 7 51 54 30 98 44 96 27 70 1 1 32 61 22 92 84 98 31 89 91 90 28 56 49 25 86 49 55 16 19 1 18 8 88 47 16 18 73 86 2 96 16 91 74 49 38 98 94 25 34 85 29 27 99 31 31 58",
"output": "97"
},
{
"input": "100 9\n36 4 45 16 19 6 10 87 44 82 71 49 70 35 83 19 40 76 45 94 44 96 10 54 82 77 86 63 11 37 21 3 15 89 80 88 89 16 72 23 25 9 51 25 10 45 96 5 6 18 51 31 42 57 41 51 42 15 89 61 45 82 16 48 61 67 19 40 9 33 90 36 78 36 79 79 16 10 83 87 9 22 84 12 23 76 36 14 2 81 56 33 56 23 57 84 76 55 35 88",
"output": "47"
},
{
"input": "100 10\n75 81 39 64 90 58 92 28 75 9 96 78 92 83 77 68 76 71 14 46 58 60 80 25 78 11 13 63 22 82 65 68 47 6 33 63 90 50 85 43 73 94 80 48 67 11 83 17 22 15 94 80 66 99 66 4 46 35 52 1 62 39 96 57 37 47 97 49 64 12 36 63 90 16 4 75 85 82 85 56 13 4 92 45 44 93 17 35 22 46 18 44 29 7 52 4 100 98 87 51",
"output": "98"
},
{
"input": "100 20\n21 19 61 70 54 97 98 14 61 72 25 94 24 56 55 25 12 80 76 11 35 17 80 26 11 94 52 47 84 61 10 2 74 25 10 21 2 79 55 50 30 75 10 64 44 5 60 96 52 16 74 41 20 77 20 44 8 86 74 36 49 61 99 13 54 64 19 99 50 43 12 73 48 48 83 55 72 73 63 81 30 27 95 9 97 82 24 3 89 90 33 14 47 88 22 78 12 75 58 67",
"output": "94"
},
{
"input": "100 30\n56 79 59 23 11 23 67 82 81 80 99 79 8 58 93 36 98 81 46 39 34 67 3 50 4 68 70 71 2 21 52 30 75 23 33 21 16 100 56 43 8 27 40 8 56 24 17 40 94 10 67 49 61 36 95 87 17 41 7 94 33 19 17 50 26 11 94 54 38 46 77 9 53 35 98 42 50 20 43 6 78 6 38 24 100 45 43 16 1 50 16 46 14 91 95 88 10 1 50 19",
"output": "95"
},
{
"input": "100 40\n86 11 97 17 38 95 11 5 13 83 67 75 50 2 46 39 84 68 22 85 70 23 64 46 59 93 39 80 35 78 93 21 83 19 64 1 49 59 99 83 44 81 70 58 15 82 83 47 55 65 91 10 2 92 4 77 37 32 12 57 78 11 42 8 59 21 96 69 61 30 44 29 12 70 91 14 10 83 11 75 14 10 19 39 8 98 5 81 66 66 79 55 36 29 22 45 19 24 55 49",
"output": "88"
},
{
"input": "100 50\n22 39 95 69 94 53 80 73 33 90 40 60 2 4 84 50 70 38 92 12 36 74 87 70 51 36 57 5 54 6 35 81 52 17 55 100 95 81 32 76 21 1 100 1 95 1 40 91 98 59 84 19 11 51 79 19 47 86 45 15 62 2 59 77 31 68 71 92 17 33 10 33 85 57 5 2 88 97 91 99 63 20 63 54 79 93 24 62 46 27 30 87 3 64 95 88 16 50 79 1",
"output": "99"
},
{
"input": "100 70\n61 48 89 17 97 6 93 13 64 50 66 88 24 52 46 99 6 65 93 64 82 37 57 41 47 1 84 5 97 83 79 46 16 35 40 7 64 15 44 96 37 17 30 92 51 67 26 3 14 56 27 68 66 93 36 39 51 6 40 55 79 26 71 54 8 48 18 2 71 12 55 60 29 37 31 97 26 37 25 68 67 70 3 87 100 41 5 82 65 92 24 66 76 48 89 8 40 93 31 95",
"output": "100"
},
{
"input": "100 90\n87 32 30 15 10 52 93 63 84 1 82 41 27 51 75 32 42 94 39 53 70 13 4 22 99 35 44 38 5 23 18 100 61 80 9 12 42 93 9 77 3 7 60 95 66 78 95 42 69 8 1 88 93 66 96 20 76 63 15 36 92 52 2 72 36 57 48 63 29 20 74 88 49 47 81 61 94 74 70 93 47 3 19 52 59 41 5 40 22 3 76 97 91 37 95 88 91 99 76 15",
"output": "98"
},
{
"input": "100 100\n79 75 7 28 6 96 38 35 57 95 41 74 24 96 32 78 81 13 63 84 24 95 3 23 66 1 60 6 96 49 41 5 14 18 31 97 66 19 49 89 49 70 51 28 20 99 18 1 28 77 24 46 69 21 40 32 31 66 28 6 66 97 9 16 70 90 91 30 34 82 93 41 65 11 39 52 1 88 63 43 80 50 60 49 28 56 18 76 24 57 74 1 28 99 36 35 79 54 18 16",
"output": "100"
},
{
"input": "1 3\n5",
"output": "1"
},
{
"input": "1 1\n100",
"output": "1"
},
{
"input": "2 3\n4 2",
"output": "1"
},
{
"input": "2 5\n99 97",
"output": "2"
},
{
"input": "3 4\n7 5 2",
"output": "2"
},
{
"input": "3 50\n47 86 51",
"output": "3"
},
{
"input": "5 100\n82 100 85 1 37",
"output": "5"
},
{
"input": "5 20\n40 39 21 5 20",
"output": "3"
},
{
"input": "1 27\n81",
"output": "1"
},
{
"input": "20 13\n7 8 29 83 74 28 93 85 7 8 3 9 8 70 49 50 39 41 57 1",
"output": "7"
},
{
"input": "2 1\n100 2",
"output": "1"
},
{
"input": "2 2\n6 4",
"output": "1"
},
{
"input": "5 2\n6 4 4 1 1",
"output": "1"
},
{
"input": "1 4\n3",
"output": "1"
},
{
"input": "3 2\n1 5 3",
"output": "2"
},
{
"input": "3 1\n3 2 2",
"output": "1"
},
{
"input": "3 1\n2 3 2",
"output": "2"
},
{
"input": "5 1\n5 1 1 1 1",
"output": "1"
},
{
"input": "2 3\n7 4",
"output": "1"
}
] | 1,647,754,570
| 2,147,483,647
|
Python 3
|
TIME_LIMIT_EXCEEDED
|
TESTS
| 43
| 1,000
| 0
|
def Jzhuu(l,m,n):
i=0
found=False
while True:
for i in range(len(l)):
if l[i]<m:
l[i]=0
else:
l[i]=l[i]-m
if l.count(0)==n-1:
found=True
break
if found==True:
break
for i in range(len(l)):
if l[i]>0:
return i+1
n,m=input().split()
l=[int(i) for i in input().split()]
result=Jzhuu(l,int(m),int(n))
print(result)
|
Title: Jzzhu and Children
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
There are *n* children in Jzzhu's school. Jzzhu is going to give some candies to them. Let's number all the children from 1 to *n*. The *i*-th child wants to get at least *a**i* candies.
Jzzhu asks children to line up. Initially, the *i*-th child stands at the *i*-th place of the line. Then Jzzhu start distribution of the candies. He follows the algorithm:
1. Give *m* candies to the first child of the line. 1. If this child still haven't got enough candies, then the child goes to the end of the line, else the child go home. 1. Repeat the first two steps while the line is not empty.
Consider all the children in the order they go home. Jzzhu wants to know, which child will be the last in this order?
Input Specification:
The first line contains two integers *n*,<=*m* (1<=≤<=*n*<=≤<=100; 1<=≤<=*m*<=≤<=100). The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=100).
Output Specification:
Output a single integer, representing the number of the last child.
Demo Input:
['5 2\n1 3 1 4 2\n', '6 4\n1 1 2 2 3 3\n']
Demo Output:
['4\n', '6\n']
Note:
Let's consider the first sample.
Firstly child 1 gets 2 candies and go home. Then child 2 gets 2 candies and go to the end of the line. Currently the line looks like [3, 4, 5, 2] (indices of the children in order of the line). Then child 3 gets 2 candies and go home, and then child 4 gets 2 candies and goes to the end of the line. Currently the line looks like [5, 2, 4]. Then child 5 gets 2 candies and goes home. Then child 2 gets two candies and goes home, and finally child 4 gets 2 candies and goes home.
Child 4 is the last one who goes home.
|
```python
def Jzhuu(l,m,n):
i=0
found=False
while True:
for i in range(len(l)):
if l[i]<m:
l[i]=0
else:
l[i]=l[i]-m
if l.count(0)==n-1:
found=True
break
if found==True:
break
for i in range(len(l)):
if l[i]>0:
return i+1
n,m=input().split()
l=[int(i) for i in input().split()]
result=Jzhuu(l,int(m),int(n))
print(result)
```
| 0
|
|
34
|
B
|
Sale
|
PROGRAMMING
| 900
|
[
"greedy",
"sortings"
] |
B. Sale
|
2
|
256
|
Once Bob got to a sale of old TV sets. There were *n* TV sets at that sale. TV set with index *i* costs *a**i* bellars. Some TV sets have a negative price — their owners are ready to pay Bob if he buys their useless apparatus. Bob can «buy» any TV sets he wants. Though he's very strong, Bob can carry at most *m* TV sets, and he has no desire to go to the sale for the second time. Please, help Bob find out the maximum sum of money that he can earn.
|
The first line contains two space-separated integers *n* and *m* (1<=≤<=*m*<=≤<=*n*<=≤<=100) — amount of TV sets at the sale, and amount of TV sets that Bob can carry. The following line contains *n* space-separated integers *a**i* (<=-<=1000<=≤<=*a**i*<=≤<=1000) — prices of the TV sets.
|
Output the only number — the maximum sum of money that Bob can earn, given that he can carry at most *m* TV sets.
|
[
"5 3\n-6 0 35 -2 4\n",
"4 2\n7 0 0 -7\n"
] |
[
"8\n",
"7\n"
] |
none
| 1,000
|
[
{
"input": "5 3\n-6 0 35 -2 4",
"output": "8"
},
{
"input": "4 2\n7 0 0 -7",
"output": "7"
},
{
"input": "6 6\n756 -611 251 -66 572 -818",
"output": "1495"
},
{
"input": "5 5\n976 437 937 788 518",
"output": "0"
},
{
"input": "5 3\n-2 -2 -2 -2 -2",
"output": "6"
},
{
"input": "5 1\n998 997 985 937 998",
"output": "0"
},
{
"input": "2 2\n-742 -187",
"output": "929"
},
{
"input": "3 3\n522 597 384",
"output": "0"
},
{
"input": "4 2\n-215 -620 192 647",
"output": "835"
},
{
"input": "10 6\n557 605 685 231 910 633 130 838 -564 -85",
"output": "649"
},
{
"input": "20 14\n932 442 960 943 624 624 955 998 631 910 850 517 715 123 1000 155 -10 961 966 59",
"output": "10"
},
{
"input": "30 5\n991 997 996 967 977 999 991 986 1000 965 984 997 998 1000 958 983 974 1000 991 999 1000 978 961 992 990 998 998 978 998 1000",
"output": "0"
},
{
"input": "50 20\n-815 -947 -946 -993 -992 -846 -884 -954 -963 -733 -940 -746 -766 -930 -821 -937 -937 -999 -914 -938 -936 -975 -939 -981 -977 -952 -925 -901 -952 -978 -994 -957 -946 -896 -905 -836 -994 -951 -887 -939 -859 -953 -985 -988 -946 -829 -956 -842 -799 -886",
"output": "19441"
},
{
"input": "88 64\n999 999 1000 1000 999 996 995 1000 1000 999 1000 997 998 1000 999 1000 997 1000 993 998 994 999 998 996 1000 997 1000 1000 1000 997 1000 998 997 1000 1000 998 1000 998 999 1000 996 999 999 999 996 995 999 1000 998 999 1000 999 999 1000 1000 1000 996 1000 1000 1000 997 1000 1000 997 999 1000 1000 1000 1000 1000 999 999 1000 1000 996 999 1000 1000 995 999 1000 996 1000 998 999 999 1000 999",
"output": "0"
},
{
"input": "99 17\n-993 -994 -959 -989 -991 -995 -976 -997 -990 -1000 -996 -994 -999 -995 -1000 -983 -979 -1000 -989 -968 -994 -992 -962 -993 -999 -983 -991 -979 -995 -993 -973 -999 -995 -995 -999 -993 -995 -992 -947 -1000 -999 -998 -982 -988 -979 -993 -963 -988 -980 -990 -979 -976 -995 -999 -981 -988 -998 -999 -970 -1000 -983 -994 -943 -975 -998 -977 -973 -997 -959 -999 -983 -985 -950 -977 -977 -991 -998 -973 -987 -985 -985 -986 -984 -994 -978 -998 -989 -989 -988 -970 -985 -974 -997 -981 -962 -972 -995 -988 -993",
"output": "16984"
},
{
"input": "100 37\n205 19 -501 404 912 -435 -322 -469 -655 880 -804 -470 793 312 -108 586 -642 -928 906 605 -353 -800 745 -440 -207 752 -50 -28 498 -800 -62 -195 602 -833 489 352 536 404 -775 23 145 -512 524 759 651 -461 -427 -557 684 -366 62 592 -563 -811 64 418 -881 -308 591 -318 -145 -261 -321 -216 -18 595 -202 960 -4 219 226 -238 -882 -963 425 970 -434 -160 243 -672 -4 873 8 -633 904 -298 -151 -377 -61 -72 -677 -66 197 -716 3 -870 -30 152 -469 981",
"output": "21743"
},
{
"input": "100 99\n-931 -806 -830 -828 -916 -962 -660 -867 -952 -966 -820 -906 -724 -982 -680 -717 -488 -741 -897 -613 -986 -797 -964 -939 -808 -932 -810 -860 -641 -916 -858 -628 -821 -929 -917 -976 -664 -985 -778 -665 -624 -928 -940 -958 -884 -757 -878 -896 -634 -526 -514 -873 -990 -919 -988 -878 -650 -973 -774 -783 -733 -648 -756 -895 -833 -974 -832 -725 -841 -748 -806 -613 -924 -867 -881 -943 -864 -991 -809 -926 -777 -817 -998 -682 -910 -996 -241 -722 -964 -904 -821 -920 -835 -699 -805 -632 -779 -317 -915 -654",
"output": "81283"
},
{
"input": "100 14\n995 994 745 684 510 737 984 690 979 977 542 933 871 603 758 653 962 997 747 974 773 766 975 770 527 960 841 989 963 865 974 967 950 984 757 685 986 809 982 959 931 880 978 867 805 562 970 900 834 782 616 885 910 608 974 918 576 700 871 980 656 941 978 759 767 840 573 859 841 928 693 853 716 927 976 851 962 962 627 797 707 873 869 988 993 533 665 887 962 880 929 980 877 887 572 790 721 883 848 782",
"output": "0"
},
{
"input": "100 84\n768 946 998 752 931 912 826 1000 991 910 875 962 901 952 958 733 959 908 872 840 923 826 952 980 974 980 947 955 959 822 997 963 966 933 829 923 971 999 926 932 865 984 974 858 994 855 949 941 992 861 951 949 991 711 763 728 935 485 716 907 869 952 960 859 909 963 978 942 968 933 923 909 997 962 687 764 924 774 875 1000 961 951 987 974 848 921 966 859 995 997 974 931 886 941 974 986 906 978 998 823",
"output": "0"
},
{
"input": "100 80\n-795 -994 -833 -930 -974 -980 -950 -940 -788 -927 -583 -956 -945 -949 -809 -974 -957 -736 -967 -908 -975 -961 -986 -983 -963 -771 -952 -847 -751 -741 -982 -959 -925 -931 -839 -937 -880 -914 -858 -998 -812 -911 -862 -965 -943 -984 -738 -920 -950 -998 -909 -998 -781 -901 -677 -940 -985 -951 -675 -952 -967 -949 -882 -641 -969 -937 -975 -993 -913 -941 -807 -851 -832 -960 -939 -943 -895 -929 -528 -880 -823 -930 -888 -862 -948 -966 -962 -857 -799 -969 -833 -998 -952 -878 -946 -971 -976 -974 -723 -992",
"output": "75068"
},
{
"input": "1 1\n0",
"output": "0"
},
{
"input": "1 1\n1",
"output": "0"
},
{
"input": "1 1\n555",
"output": "0"
},
{
"input": "1 1\n-1",
"output": "1"
},
{
"input": "1 1\n-24",
"output": "24"
}
] | 1,693,512,471
| 2,147,483,647
|
PyPy 3
|
WRONG_ANSWER
|
TESTS
| 4
| 186
| 0
|
import sys
# Define constants
INF = float('inf')
MOD = 10**9 + 7
# Define input functions
def read_int():
return int(sys.stdin.readline())
def read_ints():
return list(map(int, sys.stdin.readline().split()))
def read_str():
return sys.stdin.readline().strip()
def read_strs():
return list(sys.stdin.readline().split())
# Define output functions
def print_yes_no(condition):
print('YES' if condition else 'NO')
def print_array(arr, sep=' '):
print(sep.join(map(str, arr)))
def solve():
n, m = map(int, sys.stdin.readline().split())
a = read_ints()
temp = []
for i in range(n):
if a[i] < 0:
temp.append(-a[i])
temp.sort(reverse=True)
print(sum(temp[:m+1]))
if __name__ == '__main__':
solve()
|
Title: Sale
Time Limit: 2 seconds
Memory Limit: 256 megabytes
Problem Description:
Once Bob got to a sale of old TV sets. There were *n* TV sets at that sale. TV set with index *i* costs *a**i* bellars. Some TV sets have a negative price — their owners are ready to pay Bob if he buys their useless apparatus. Bob can «buy» any TV sets he wants. Though he's very strong, Bob can carry at most *m* TV sets, and he has no desire to go to the sale for the second time. Please, help Bob find out the maximum sum of money that he can earn.
Input Specification:
The first line contains two space-separated integers *n* and *m* (1<=≤<=*m*<=≤<=*n*<=≤<=100) — amount of TV sets at the sale, and amount of TV sets that Bob can carry. The following line contains *n* space-separated integers *a**i* (<=-<=1000<=≤<=*a**i*<=≤<=1000) — prices of the TV sets.
Output Specification:
Output the only number — the maximum sum of money that Bob can earn, given that he can carry at most *m* TV sets.
Demo Input:
['5 3\n-6 0 35 -2 4\n', '4 2\n7 0 0 -7\n']
Demo Output:
['8\n', '7\n']
Note:
none
|
```python
import sys
# Define constants
INF = float('inf')
MOD = 10**9 + 7
# Define input functions
def read_int():
return int(sys.stdin.readline())
def read_ints():
return list(map(int, sys.stdin.readline().split()))
def read_str():
return sys.stdin.readline().strip()
def read_strs():
return list(sys.stdin.readline().split())
# Define output functions
def print_yes_no(condition):
print('YES' if condition else 'NO')
def print_array(arr, sep=' '):
print(sep.join(map(str, arr)))
def solve():
n, m = map(int, sys.stdin.readline().split())
a = read_ints()
temp = []
for i in range(n):
if a[i] < 0:
temp.append(-a[i])
temp.sort(reverse=True)
print(sum(temp[:m+1]))
if __name__ == '__main__':
solve()
```
| 0
|
735
|
C
|
Tennis Championship
|
PROGRAMMING
| 1,600
|
[
"combinatorics",
"constructive algorithms",
"greedy",
"math"
] | null | null |
Famous Brazil city Rio de Janeiro holds a tennis tournament and Ostap Bender doesn't want to miss this event. There will be *n* players participating, and the tournament will follow knockout rules from the very first game. That means, that if someone loses a game he leaves the tournament immediately.
Organizers are still arranging tournament grid (i.e. the order games will happen and who is going to play with whom) but they have already fixed one rule: two players can play against each other only if the number of games one of them has already played differs by no more than one from the number of games the other one has already played. Of course, both players had to win all their games in order to continue participating in the tournament.
Tournament hasn't started yet so the audience is a bit bored. Ostap decided to find out what is the maximum number of games the winner of the tournament can take part in (assuming the rule above is used). However, it is unlikely he can deal with this problem without your help.
|
The only line of the input contains a single integer *n* (2<=≤<=*n*<=≤<=1018) — the number of players to participate in the tournament.
|
Print the maximum number of games in which the winner of the tournament can take part.
|
[
"2\n",
"3\n",
"4\n",
"10\n"
] |
[
"1\n",
"2\n",
"2\n",
"4\n"
] |
In all samples we consider that player number 1 is the winner.
In the first sample, there would be only one game so the answer is 1.
In the second sample, player 1 can consequently beat players 2 and 3.
In the third sample, player 1 can't play with each other player as after he plays with players 2 and 3 he can't play against player 4, as he has 0 games played, while player 1 already played 2. Thus, the answer is 2 and to achieve we make pairs (1, 2) and (3, 4) and then clash the winners.
| 1,750
|
[
{
"input": "2",
"output": "1"
},
{
"input": "3",
"output": "2"
},
{
"input": "4",
"output": "2"
},
{
"input": "10",
"output": "4"
},
{
"input": "1000",
"output": "14"
},
{
"input": "2500",
"output": "15"
},
{
"input": "690000",
"output": "27"
},
{
"input": "3000000000",
"output": "45"
},
{
"input": "123456789123456789",
"output": "81"
},
{
"input": "5",
"output": "3"
},
{
"input": "143",
"output": "9"
},
{
"input": "144",
"output": "10"
},
{
"input": "145",
"output": "10"
},
{
"input": "232",
"output": "10"
},
{
"input": "233",
"output": "11"
},
{
"input": "234",
"output": "11"
},
{
"input": "679891637638612257",
"output": "84"
},
{
"input": "679891637638612258",
"output": "85"
},
{
"input": "679891637638612259",
"output": "85"
},
{
"input": "1000000000000000000",
"output": "85"
},
{
"input": "10235439547",
"output": "47"
},
{
"input": "1240723548",
"output": "43"
},
{
"input": "92353046212453",
"output": "66"
},
{
"input": "192403205846532",
"output": "68"
},
{
"input": "13925230525389",
"output": "62"
},
{
"input": "12048230592523",
"output": "62"
},
{
"input": "19204385325853",
"output": "63"
},
{
"input": "902353283921",
"output": "56"
},
{
"input": "793056859214355",
"output": "70"
},
{
"input": "982045466234565",
"output": "71"
},
{
"input": "126743950353465",
"output": "67"
},
{
"input": "12405430465",
"output": "47"
},
{
"input": "10238439257768",
"output": "61"
},
{
"input": "1728493055346",
"output": "58"
},
{
"input": "927553829046",
"output": "56"
},
{
"input": "62735129403",
"output": "51"
},
{
"input": "71624823950223",
"output": "65"
},
{
"input": "8902353464851212",
"output": "75"
},
{
"input": "61824012598535",
"output": "65"
},
{
"input": "1294902504603347",
"output": "71"
},
{
"input": "6",
"output": "3"
},
{
"input": "7",
"output": "3"
},
{
"input": "8",
"output": "4"
},
{
"input": "9",
"output": "4"
},
{
"input": "11",
"output": "4"
},
{
"input": "12",
"output": "4"
},
{
"input": "13",
"output": "5"
},
{
"input": "14",
"output": "5"
},
{
"input": "15",
"output": "5"
},
{
"input": "16",
"output": "5"
},
{
"input": "17",
"output": "5"
},
{
"input": "18",
"output": "5"
},
{
"input": "19",
"output": "5"
},
{
"input": "20",
"output": "5"
},
{
"input": "21",
"output": "6"
},
{
"input": "22",
"output": "6"
},
{
"input": "23",
"output": "6"
},
{
"input": "355687428096000",
"output": "69"
},
{
"input": "576460752303423488",
"output": "84"
},
{
"input": "32212254719",
"output": "49"
},
{
"input": "26388279066623",
"output": "63"
},
{
"input": "618473717761",
"output": "56"
},
{
"input": "262406072477",
"output": "54"
}
] | 1,481,819,684
| 2,147,483,647
|
Python 3
|
WRONG_ANSWER
|
TESTS
| 1
| 62
| 0
|
from math import *
n = int(input())
print(floor(log(sqrt(5)*n,(1.0+sqrt(5))/2.0) )-2 )
|
Title: Tennis Championship
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Famous Brazil city Rio de Janeiro holds a tennis tournament and Ostap Bender doesn't want to miss this event. There will be *n* players participating, and the tournament will follow knockout rules from the very first game. That means, that if someone loses a game he leaves the tournament immediately.
Organizers are still arranging tournament grid (i.e. the order games will happen and who is going to play with whom) but they have already fixed one rule: two players can play against each other only if the number of games one of them has already played differs by no more than one from the number of games the other one has already played. Of course, both players had to win all their games in order to continue participating in the tournament.
Tournament hasn't started yet so the audience is a bit bored. Ostap decided to find out what is the maximum number of games the winner of the tournament can take part in (assuming the rule above is used). However, it is unlikely he can deal with this problem without your help.
Input Specification:
The only line of the input contains a single integer *n* (2<=≤<=*n*<=≤<=1018) — the number of players to participate in the tournament.
Output Specification:
Print the maximum number of games in which the winner of the tournament can take part.
Demo Input:
['2\n', '3\n', '4\n', '10\n']
Demo Output:
['1\n', '2\n', '2\n', '4\n']
Note:
In all samples we consider that player number 1 is the winner.
In the first sample, there would be only one game so the answer is 1.
In the second sample, player 1 can consequently beat players 2 and 3.
In the third sample, player 1 can't play with each other player as after he plays with players 2 and 3 he can't play against player 4, as he has 0 games played, while player 1 already played 2. Thus, the answer is 2 and to achieve we make pairs (1, 2) and (3, 4) and then clash the winners.
|
```python
from math import *
n = int(input())
print(floor(log(sqrt(5)*n,(1.0+sqrt(5))/2.0) )-2 )
```
| 0
|
|
0
|
none
|
none
|
none
| 0
|
[
"none"
] | null | null |
Theater stage is a rectangular field of size *n*<=×<=*m*. The director gave you the stage's plan which actors will follow. For each cell it is stated in the plan if there would be an actor in this cell or not.
You are to place a spotlight on the stage in some good position. The spotlight will project light in one of the four directions (if you look at the stage from above) — left, right, up or down. Thus, the spotlight's position is a cell it is placed to and a direction it shines.
A position is good if two conditions hold:
- there is no actor in the cell the spotlight is placed to; - there is at least one actor in the direction the spotlight projects.
Count the number of good positions for placing the spotlight. Two positions of spotlight are considered to be different if the location cells or projection direction differ.
|
The first line contains two positive integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=1000) — the number of rows and the number of columns in the plan.
The next *n* lines contain *m* integers, 0 or 1 each — the description of the plan. Integer 1, means there will be an actor in the corresponding cell, while 0 means the cell will remain empty. It is guaranteed that there is at least one actor in the plan.
|
Print one integer — the number of good positions for placing the spotlight.
|
[
"2 4\n0 1 0 0\n1 0 1 0\n",
"4 4\n0 0 0 0\n1 0 0 1\n0 1 1 0\n0 1 0 0\n"
] |
[
"9\n",
"20\n"
] |
In the first example the following positions are good:
1. the (1, 1) cell and right direction; 1. the (1, 1) cell and down direction; 1. the (1, 3) cell and left direction; 1. the (1, 3) cell and down direction; 1. the (1, 4) cell and left direction; 1. the (2, 2) cell and left direction; 1. the (2, 2) cell and up direction; 1. the (2, 2) and right direction; 1. the (2, 4) cell and left direction.
Therefore, there are 9 good positions in this example.
| 0
|
[
{
"input": "2 4\n0 1 0 0\n1 0 1 0",
"output": "9"
},
{
"input": "4 4\n0 0 0 0\n1 0 0 1\n0 1 1 0\n0 1 0 0",
"output": "20"
},
{
"input": "1 5\n1 1 0 0 0",
"output": "3"
},
{
"input": "2 10\n0 0 0 0 0 0 0 1 0 0\n1 0 0 0 0 0 0 0 0 0",
"output": "20"
},
{
"input": "3 1\n1\n0\n0",
"output": "2"
},
{
"input": "5 7\n0 0 0 0 0 0 1\n0 0 0 0 0 0 1\n0 0 0 1 0 0 0\n0 0 0 0 0 0 0\n0 0 0 0 0 0 0",
"output": "25"
},
{
"input": "10 20\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "4"
},
{
"input": "5 7\n0 0 0 0 0 0 0\n0 1 1 1 1 0 1\n0 1 1 1 1 1 1\n0 0 0 0 0 0 0\n0 1 1 1 1 0 1",
"output": "26"
},
{
"input": "10 20\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1",
"output": "121"
},
{
"input": "1 2\n0 1",
"output": "1"
},
{
"input": "1 2\n1 0",
"output": "1"
},
{
"input": "1 2\n1 1",
"output": "0"
},
{
"input": "2 1\n1\n0",
"output": "1"
},
{
"input": "2 1\n0\n1",
"output": "1"
},
{
"input": "2 1\n1\n1",
"output": "0"
},
{
"input": "1 1\n1",
"output": "0"
},
{
"input": "4 4\n1 1 1 1\n1 0 0 1\n1 0 0 1\n1 1 1 1",
"output": "16"
}
] | 1,676,903,555
| 2,147,483,647
|
PyPy 3
|
OK
|
TESTS
| 72
| 280
| 15,360,000
|
import sys, os, io
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
def f(u, v):
return u * m + v
n, m = map(int, input().split())
a = []
for _ in range(n):
a0 = list(map(int, input().split()))
for i in a0:
a.append(i)
v = [(1, 0), (-1, 0), (0, 1), (0, -1)]
ans = 0
for i in range(n):
for j in range(m):
if not a[f(i, j)]:
continue
for di, dj in v:
ni, nj = i + di, j + dj
while 0 <= ni < n and 0 <= nj < m and not a[f(ni, nj)]:
ans += 1
ni += di
nj += dj
print(ans)
|
Title: none
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Theater stage is a rectangular field of size *n*<=×<=*m*. The director gave you the stage's plan which actors will follow. For each cell it is stated in the plan if there would be an actor in this cell or not.
You are to place a spotlight on the stage in some good position. The spotlight will project light in one of the four directions (if you look at the stage from above) — left, right, up or down. Thus, the spotlight's position is a cell it is placed to and a direction it shines.
A position is good if two conditions hold:
- there is no actor in the cell the spotlight is placed to; - there is at least one actor in the direction the spotlight projects.
Count the number of good positions for placing the spotlight. Two positions of spotlight are considered to be different if the location cells or projection direction differ.
Input Specification:
The first line contains two positive integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=1000) — the number of rows and the number of columns in the plan.
The next *n* lines contain *m* integers, 0 or 1 each — the description of the plan. Integer 1, means there will be an actor in the corresponding cell, while 0 means the cell will remain empty. It is guaranteed that there is at least one actor in the plan.
Output Specification:
Print one integer — the number of good positions for placing the spotlight.
Demo Input:
['2 4\n0 1 0 0\n1 0 1 0\n', '4 4\n0 0 0 0\n1 0 0 1\n0 1 1 0\n0 1 0 0\n']
Demo Output:
['9\n', '20\n']
Note:
In the first example the following positions are good:
1. the (1, 1) cell and right direction; 1. the (1, 1) cell and down direction; 1. the (1, 3) cell and left direction; 1. the (1, 3) cell and down direction; 1. the (1, 4) cell and left direction; 1. the (2, 2) cell and left direction; 1. the (2, 2) cell and up direction; 1. the (2, 2) and right direction; 1. the (2, 4) cell and left direction.
Therefore, there are 9 good positions in this example.
|
```python
import sys, os, io
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
def f(u, v):
return u * m + v
n, m = map(int, input().split())
a = []
for _ in range(n):
a0 = list(map(int, input().split()))
for i in a0:
a.append(i)
v = [(1, 0), (-1, 0), (0, 1), (0, -1)]
ans = 0
for i in range(n):
for j in range(m):
if not a[f(i, j)]:
continue
for di, dj in v:
ni, nj = i + di, j + dj
while 0 <= ni < n and 0 <= nj < m and not a[f(ni, nj)]:
ans += 1
ni += di
nj += dj
print(ans)
```
| 3
|
|
763
|
C
|
Timofey and remoduling
|
PROGRAMMING
| 2,600
|
[
"brute force",
"implementation",
"math",
"number theory"
] | null | null |
Little Timofey likes integers a lot. Unfortunately, he is very young and can't work with very big integers, so he does all the operations modulo his favorite prime *m*. Also, Timofey likes to look for arithmetical progressions everywhere.
One of his birthday presents was a sequence of distinct integers *a*1,<=*a*2,<=...,<=*a**n*. Timofey wants to know whether he can rearrange the elements of the sequence so that is will be an arithmetical progression modulo *m*, or not.
Arithmetical progression modulo *m* of length *n* with first element *x* and difference *d* is sequence of integers *x*,<=*x*<=+<=*d*,<=*x*<=+<=2*d*,<=...,<=*x*<=+<=(*n*<=-<=1)·*d*, each taken modulo *m*.
|
The first line contains two integers *m* and *n* (2<=≤<=*m*<=≤<=109<=+<=7, 1<=≤<=*n*<=≤<=105, *m* is prime) — Timofey's favorite prime module and the length of the sequence.
The second line contains *n* distinct integers *a*1,<=*a*2,<=...,<=*a**n* (0<=≤<=*a**i*<=<<=*m*) — the elements of the sequence.
|
Print -1 if it is not possible to rearrange the elements of the sequence so that is will be an arithmetical progression modulo *m*.
Otherwise, print two integers — the first element of the obtained progression *x* (0<=≤<=*x*<=<<=*m*) and its difference *d* (0<=≤<=*d*<=<<=*m*).
If there are multiple answers, print any of them.
|
[
"17 5\n0 2 4 13 15\n",
"17 5\n0 2 4 13 14\n",
"5 3\n1 2 3\n"
] |
[
"13 2\n",
"-1\n",
"3 4\n"
] |
none
| 1,500
|
[
{
"input": "17 5\n0 2 4 13 15",
"output": "13 2"
},
{
"input": "17 5\n0 2 4 13 14",
"output": "-1"
},
{
"input": "5 3\n1 2 3",
"output": "3 4"
},
{
"input": "17 8\n7 9 11 13 15 1 3 5",
"output": "1 2"
},
{
"input": "13 2\n0 11",
"output": "0 11"
},
{
"input": "3 1\n0",
"output": "0 1"
},
{
"input": "2 1\n1",
"output": "1 1"
},
{
"input": "241 120\n235 136 237 28 90 60 27 122 239 59 72 46 180 233 182 21 206 153 97 112 94 219 52 109 31 17 8 152 3 118 191 222 214 119 217 39 33 40 1 164 38 173 42 82 130 229 226 73 44 155 85 41 2 132 95 163 192 62 14 210 137 197 135 142 53 154 148 162 140 35 24 106 56 170 93 201 211 147 124 20 177 76 186 228 102 74 129 156 87 51 67 167 178 146 225 111 125 144 45 151 161 22 174 30 188 98 213 199 207 107 209 200 57 65 123 157 6 204 96 66",
"output": "-1"
},
{
"input": "241 120\n114 147 193 143 206 74 60 15 75 197 192 93 115 166 116 88 14 46 156 229 7 5 233 188 111 179 102 73 187 196 57 211 137 134 201 92 29 224 160 2 110 119 184 202 20 174 124 225 97 105 1 216 155 161 19 125 101 205 78 38 178 123 87 16 142 47 28 215 219 23 70 238 120 210 69 10 55 128 25 6 42 169 79 65 56 175 170 107 214 61 43 228 24 237 96 133 34 83 152 220 234 66 52 51 84 183 146 173 33 164 151 11 207 157 165 129 64 138 37 106",
"output": "173 191"
},
{
"input": "17 17\n15 1 6 3 7 8 10 13 12 16 11 9 14 2 0 4 5",
"output": "1 1"
},
{
"input": "7 3\n3 4 1",
"output": "-1"
},
{
"input": "7 3\n4 0 3",
"output": "4 3"
},
{
"input": "17 2\n5 13",
"output": "5 8"
},
{
"input": "17 2\n8 3",
"output": "3 5"
},
{
"input": "17 5\n15 6 9 8 3",
"output": "-1"
},
{
"input": "17 5\n2 5 14 8 11",
"output": "2 3"
},
{
"input": "17 8\n1 10 6 8 2 16 9 15",
"output": "-1"
},
{
"input": "17 8\n6 0 8 3 14 11 9 12",
"output": "8 3"
},
{
"input": "23 1\n4",
"output": "4 1"
},
{
"input": "23 1\n20",
"output": "20 1"
},
{
"input": "23 11\n11 7 15 20 18 5 13 0 8 3 19",
"output": "-1"
},
{
"input": "23 11\n11 4 0 3 2 14 22 12 13 15 1",
"output": "22 12"
},
{
"input": "239 100\n35 96 173 36 220 188 102 227 226 237 16 97 79 211 156 49 146 222 57 209 121 201 166 123 61 29 67 89 184 72 14 47 193 127 165 76 171 30 120 68 108 228 130 151 221 139 214 18 210 169 87 100 13 52 196 148 122 86 131 208 65 194 43 178 9 118 0 24 183 45 134 55 71 212 111 106 170 80 179 233 180 238 235 75 153 105 182 70 197 143 31 207 145 83 20 113 101 190 6 64",
"output": "-1"
},
{
"input": "239 100\n95 225 152 10 96 20 192 51 150 138 105 206 33 41 29 127 53 75 118 9 21 43 119 52 174 139 86 161 207 19 203 215 228 30 66 64 32 44 217 54 131 0 74 117 22 129 109 171 172 141 181 237 107 151 193 140 142 85 55 182 160 42 185 106 11 97 65 163 195 63 128 226 194 184 173 216 84 130 162 98 76 73 120 196 116 40 62 236 218 8 183 238 149 204 205 108 214 227 31 87",
"output": "66 76"
},
{
"input": "239 100\n178 74 144 43 201 189 40 175 51 31 202 114 12 17 86 78 53 196 235 158 95 224 143 198 170 117 79 81 23 197 73 165 133 166 21 50 148 34 121 223 184 45 54 228 9 238 187 19 218 169 104 62 106 46 209 182 221 61 59 48 160 27 212 123 5 107 82 102 208 151 7 180 35 191 11 70 168 18 145 89 193 87 91 215 42 139 0 29 140 69 194 41 153 231 154 111 157 122 119 127",
"output": "-1"
},
{
"input": "239 100\n9 107 11 203 36 34 35 91 20 3 42 19 225 169 99 41 43 28 113 83 193 219 153 129 155 90 123 17 209 97 235 51 73 27 234 138 49 98 81 106 58 186 139 187 226 25 224 18 65 210 131 121 67 82 137 89 60 145 232 227 179 44 33 1 194 59 195 177 2 74 233 170 50 202 10 201 162 52 105 57 26 161 218 146 171 163 66 115 217 154 122 178 130 75 211 4 12 185 147 114",
"output": "224 8"
},
{
"input": "7 4\n5 2 1 4",
"output": "2 3"
},
{
"input": "7 4\n5 2 1 6",
"output": "6 3"
},
{
"input": "17 16\n11 14 7 15 13 6 3 0 4 10 12 1 16 5 8 9",
"output": "3 1"
},
{
"input": "17 16\n10 0 7 5 13 3 16 14 1 6 8 15 2 9 12 11",
"output": "5 1"
}
] | 1,689,369,906
| 2,147,483,647
|
PyPy 3-64
|
WRONG_ANSWER
|
TESTS
| 0
| 31
| 0
|
print("_RANDOM_GUESS_1689369906.3844302")# 1689369906.384471
|
Title: Timofey and remoduling
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
Little Timofey likes integers a lot. Unfortunately, he is very young and can't work with very big integers, so he does all the operations modulo his favorite prime *m*. Also, Timofey likes to look for arithmetical progressions everywhere.
One of his birthday presents was a sequence of distinct integers *a*1,<=*a*2,<=...,<=*a**n*. Timofey wants to know whether he can rearrange the elements of the sequence so that is will be an arithmetical progression modulo *m*, or not.
Arithmetical progression modulo *m* of length *n* with first element *x* and difference *d* is sequence of integers *x*,<=*x*<=+<=*d*,<=*x*<=+<=2*d*,<=...,<=*x*<=+<=(*n*<=-<=1)·*d*, each taken modulo *m*.
Input Specification:
The first line contains two integers *m* and *n* (2<=≤<=*m*<=≤<=109<=+<=7, 1<=≤<=*n*<=≤<=105, *m* is prime) — Timofey's favorite prime module and the length of the sequence.
The second line contains *n* distinct integers *a*1,<=*a*2,<=...,<=*a**n* (0<=≤<=*a**i*<=<<=*m*) — the elements of the sequence.
Output Specification:
Print -1 if it is not possible to rearrange the elements of the sequence so that is will be an arithmetical progression modulo *m*.
Otherwise, print two integers — the first element of the obtained progression *x* (0<=≤<=*x*<=<<=*m*) and its difference *d* (0<=≤<=*d*<=<<=*m*).
If there are multiple answers, print any of them.
Demo Input:
['17 5\n0 2 4 13 15\n', '17 5\n0 2 4 13 14\n', '5 3\n1 2 3\n']
Demo Output:
['13 2\n', '-1\n', '3 4\n']
Note:
none
|
```python
print("_RANDOM_GUESS_1689369906.3844302")# 1689369906.384471
```
| 0
|
|
70
|
C
|
Lucky Tickets
|
PROGRAMMING
| 2,200
|
[
"binary search",
"data structures",
"sortings",
"two pointers"
] |
C. Lucky Tickets
|
1
|
256
|
In Walrusland public transport tickets are characterized by two integers: by the number of the series and by the number of the ticket in the series. Let the series number be represented by *a* and the ticket number — by *b*, then a ticket is described by the ordered pair of numbers (*a*,<=*b*).
The walruses believe that a ticket is lucky if *a*<=*<=*b*<==<=*rev*(*a*)<=*<=*rev*(*b*). The function *rev*(*x*) reverses a number written in the decimal system, at that the leading zeroes disappear. For example, *rev*(12343)<==<=34321, *rev*(1200)<==<=21.
The Public Transport Management Committee wants to release *x* series, each containing *y* tickets, so that at least *w* lucky tickets were released and the total number of released tickets (*x*<=*<=*y*) were minimum. The series are numbered from 1 to *x* inclusive. The tickets in each series are numbered from 1 to *y* inclusive. The Transport Committee cannot release more than *max**x* series and more than *max**y* tickets in one series.
|
The first line contains three integers *max**x*, *max**y*, *w* (1<=≤<=*max**x*,<=*max**y*<=≤<=105, 1<=≤<=*w*<=≤<=107).
|
Print on a single line two space-separated numbers, the *x* and the *y*. If there are several possible variants, print any of them. If such *x* and *y* do not exist, print a single number <=-<=1.
|
[
"2 2 1\n",
"132 10 35\n",
"5 18 1000\n",
"48 132 235\n"
] |
[
"1 1",
"7 5",
"-1\n",
"22 111"
] |
none
| 1,500
|
[
{
"input": "2 2 1",
"output": "1 1"
},
{
"input": "132 10 35",
"output": "7 5"
},
{
"input": "5 18 1000",
"output": "-1"
},
{
"input": "48 132 235",
"output": "22 111"
},
{
"input": "119 69 169",
"output": "101 9"
},
{
"input": "49 24 83",
"output": "11 9"
},
{
"input": "85 30 123",
"output": "44 11"
},
{
"input": "17 49 101",
"output": "11 22"
},
{
"input": "131 136 430",
"output": "101 88"
},
{
"input": "22 36 60",
"output": "9 7"
},
{
"input": "99999 99999 1320778",
"output": "99999 99999"
},
{
"input": "17450 74957 174334",
"output": "8778 74547"
},
{
"input": "81527 17791 107576",
"output": "81218 1441"
},
{
"input": "61886 5897 37739",
"output": "22522 1001"
},
{
"input": "57176 79292 599787",
"output": "51315 78887"
},
{
"input": "81784 92544 37010",
"output": "21812 1001"
},
{
"input": "87191 27924 129801",
"output": "87178 2777"
},
{
"input": "94728 36278 300352",
"output": "94649 16361"
},
{
"input": "97341 86067 510670",
"output": "97179 33533"
},
{
"input": "98372 55633 650768",
"output": "98289 44844"
},
{
"input": "55361 31906 7353",
"output": "1001 525"
},
{
"input": "76689 39645 140033",
"output": "76167 5005"
},
{
"input": "54558 77753 458973",
"output": "37585 77682"
},
{
"input": "48701 4854 14523",
"output": "2222 1001"
},
{
"input": "83072 55834 461951",
"output": "82628 35353"
},
{
"input": "4830 97380 69709",
"output": "1001 51115"
},
{
"input": "64356 76729 351908",
"output": "26884 76667"
},
{
"input": "70386 4182 113682",
"output": "69996 3333"
},
{
"input": "84324 74849 17238",
"output": "4444 1001"
},
{
"input": "65182 12701 141871",
"output": "64946 7117"
},
{
"input": "66343 33744 168654",
"output": "65656 10001"
},
{
"input": "18252 10662 36621",
"output": "17771 2013"
},
{
"input": "84637 33654 2517",
"output": "1001 123"
},
{
"input": "40758 44300 202089",
"output": "23132 44244"
},
{
"input": "27346 64876 180351",
"output": "11711 64546"
},
{
"input": "98080 30860 3689530",
"output": "-1"
},
{
"input": "84813 80213 1123474",
"output": "-1"
},
{
"input": "84026 17765 8177582",
"output": "-1"
},
{
"input": "59510 27419 6719162",
"output": "-1"
},
{
"input": "55248 15372 1556850",
"output": "-1"
},
{
"input": "30372 66963 1554229",
"output": "-1"
},
{
"input": "22706 53686 4605009",
"output": "-1"
},
{
"input": "99999 99999 1320779",
"output": "-1"
},
{
"input": "100000 100000 1320778",
"output": "99999 99999"
},
{
"input": "99474 33270 200430",
"output": "98889 7117"
},
{
"input": "100000 100000 1320777",
"output": "99999 99999"
},
{
"input": "100000 100000 1320700",
"output": "99999 99999"
},
{
"input": "100000 100000 1320000",
"output": "99999 99999"
},
{
"input": "100000 100000 1300000",
"output": "99999 98289"
},
{
"input": "100000 100000 10000000",
"output": "-1"
},
{
"input": "100000 100000 1000000",
"output": "99799 73237"
}
] | 1,695,109,391
| 2,147,483,647
|
PyPy 3-64
|
TIME_LIMIT_EXCEEDED
|
TESTS
| 11
| 1,500
| 20,275,200
|
import sys
from collections import Counter
from math import gcd
# input
MAX_X, MAX_Y, W = 0, 0, 0
# output
result = [] # x, y pairs
def read_input():
global MAX_X, MAX_Y, W
readline = sys.stdin.readline
MAX_X, MAX_Y, W = [int(w) for w in readline().split()]
def solve():
rev = [int(str(i)[::-1]) for i in range(max(MAX_X, MAX_Y) + 2)]
x, y = 1, MAX_Y
cnter = Counter([(rev[y] // gcd(rev[y],y ), y // gcd(rev[y],y)) for y in range(1, MAX_Y + 1)])
# print(f'cnter = {cnter}')
total = cnter[(1, 1)]
while x <= MAX_X:
if total < W:
x += 1
g = gcd(rev[x], x)
total += cnter[x // g, rev[x]// g]
else:
result.append([x, y])
g = gcd(rev[y], y)
t = (rev[y] // g, y // g)
# if t in cnter and cnter[t] > 0:
for dx in range(1, x + 1):
gdx = gcd(rev[dx], dx)
if t == (dx//gdx, rev[dx]//gdx):
total -= 1
cnter[t] -= 1
y -= 1
def write_output():
if result:
t = min(result, key = lambda x:x[0] * x[1])
print(*t)
else:
print(-1)
read_input()
# print(f'MAX_X ={MAX_X}')
solve()
# print(result)
write_output()
|
Title: Lucky Tickets
Time Limit: 1 seconds
Memory Limit: 256 megabytes
Problem Description:
In Walrusland public transport tickets are characterized by two integers: by the number of the series and by the number of the ticket in the series. Let the series number be represented by *a* and the ticket number — by *b*, then a ticket is described by the ordered pair of numbers (*a*,<=*b*).
The walruses believe that a ticket is lucky if *a*<=*<=*b*<==<=*rev*(*a*)<=*<=*rev*(*b*). The function *rev*(*x*) reverses a number written in the decimal system, at that the leading zeroes disappear. For example, *rev*(12343)<==<=34321, *rev*(1200)<==<=21.
The Public Transport Management Committee wants to release *x* series, each containing *y* tickets, so that at least *w* lucky tickets were released and the total number of released tickets (*x*<=*<=*y*) were minimum. The series are numbered from 1 to *x* inclusive. The tickets in each series are numbered from 1 to *y* inclusive. The Transport Committee cannot release more than *max**x* series and more than *max**y* tickets in one series.
Input Specification:
The first line contains three integers *max**x*, *max**y*, *w* (1<=≤<=*max**x*,<=*max**y*<=≤<=105, 1<=≤<=*w*<=≤<=107).
Output Specification:
Print on a single line two space-separated numbers, the *x* and the *y*. If there are several possible variants, print any of them. If such *x* and *y* do not exist, print a single number <=-<=1.
Demo Input:
['2 2 1\n', '132 10 35\n', '5 18 1000\n', '48 132 235\n']
Demo Output:
['1 1', '7 5', '-1\n', '22 111']
Note:
none
|
```python
import sys
from collections import Counter
from math import gcd
# input
MAX_X, MAX_Y, W = 0, 0, 0
# output
result = [] # x, y pairs
def read_input():
global MAX_X, MAX_Y, W
readline = sys.stdin.readline
MAX_X, MAX_Y, W = [int(w) for w in readline().split()]
def solve():
rev = [int(str(i)[::-1]) for i in range(max(MAX_X, MAX_Y) + 2)]
x, y = 1, MAX_Y
cnter = Counter([(rev[y] // gcd(rev[y],y ), y // gcd(rev[y],y)) for y in range(1, MAX_Y + 1)])
# print(f'cnter = {cnter}')
total = cnter[(1, 1)]
while x <= MAX_X:
if total < W:
x += 1
g = gcd(rev[x], x)
total += cnter[x // g, rev[x]// g]
else:
result.append([x, y])
g = gcd(rev[y], y)
t = (rev[y] // g, y // g)
# if t in cnter and cnter[t] > 0:
for dx in range(1, x + 1):
gdx = gcd(rev[dx], dx)
if t == (dx//gdx, rev[dx]//gdx):
total -= 1
cnter[t] -= 1
y -= 1
def write_output():
if result:
t = min(result, key = lambda x:x[0] * x[1])
print(*t)
else:
print(-1)
read_input()
# print(f'MAX_X ={MAX_X}')
solve()
# print(result)
write_output()
```
| 0
|
715
|
D
|
Create a Maze
|
PROGRAMMING
| 3,100
|
[
"constructive algorithms"
] | null | null |
ZS the Coder loves mazes. Your job is to create one so that he can play with it. A maze consists of *n*<=×<=*m* rooms, and the rooms are arranged in *n* rows (numbered from the top to the bottom starting from 1) and *m* columns (numbered from the left to the right starting from 1). The room in the *i*-th row and *j*-th column is denoted by (*i*,<=*j*). A player starts in the room (1,<=1) and wants to reach the room (*n*,<=*m*).
Each room has four doors (except for ones at the maze border), one on each of its walls, and two adjacent by the wall rooms shares the same door. Some of the doors are locked, which means it is impossible to pass through the door. For example, if the door connecting (*i*,<=*j*) and (*i*,<=*j*<=+<=1) is locked, then we can't go from (*i*,<=*j*) to (*i*,<=*j*<=+<=1). Also, one can only travel between the rooms downwards (from the room (*i*,<=*j*) to the room (*i*<=+<=1,<=*j*)) or rightwards (from the room (*i*,<=*j*) to the room (*i*,<=*j*<=+<=1)) provided the corresponding door is not locked.
ZS the Coder considers a maze to have difficulty *x* if there is exactly *x* ways of travelling from the room (1,<=1) to the room (*n*,<=*m*). Two ways are considered different if they differ by the sequence of rooms visited while travelling.
Your task is to create a maze such that its difficulty is exactly equal to *T*. In addition, ZS the Coder doesn't like large mazes, so the size of the maze and the number of locked doors are limited. Sounds simple enough, right?
|
The first and only line of the input contains a single integer *T* (1<=≤<=*T*<=≤<=1018), the difficulty of the required maze.
|
The first line should contain two integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=50) — the number of rows and columns of the maze respectively.
The next line should contain a single integer *k* (0<=≤<=*k*<=≤<=300) — the number of locked doors in the maze.
Then, *k* lines describing locked doors should follow. Each of them should contain four integers, *x*1,<=*y*1,<=*x*2,<=*y*2. This means that the door connecting room (*x*1,<=*y*1) and room (*x*2,<=*y*2) is locked. Note that room (*x*2,<=*y*2) should be adjacent either to the right or to the bottom of (*x*1,<=*y*1), i.e. *x*2<=+<=*y*2 should be equal to *x*1<=+<=*y*1<=+<=1. There should not be a locked door that appears twice in the list.
It is guaranteed that at least one solution exists. If there are multiple solutions, print any of them.
|
[
"3\n",
"4\n"
] |
[
"3 2\n0\n",
"4 3\n3\n1 2 2 2\n3 2 3 3\n1 3 2 3"
] |
Here are how the sample input and output looks like. The colored arrows denotes all the possible paths while a red cross denotes a locked door.
In the first sample case:
In the second sample case:
| 2,500
|
[
{
"input": "3",
"output": "4 4\n5\n1 2 2 2\n1 3 2 3\n1 4 2 4\n2 1 2 2\n4 1 4 2"
},
{
"input": "4",
"output": "4 4\n4\n1 2 2 2\n1 3 2 3\n2 1 2 2\n4 1 4 2"
},
{
"input": "576460752303423488",
"output": "48 48\n233\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11 10\n11 12 11 13\n11 13 12 13\n11 14 1..."
},
{
"input": "576460752303423487",
"output": "48 48\n234\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11 10\n11 12 11 13\n11 13 12 13\n11 14 1..."
},
{
"input": "99999988898898889",
"output": "46 46\n232\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 12 13\n..."
},
{
"input": "989466010702279111",
"output": "50 50\n251\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n5 8 6 8\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 1..."
},
{
"input": "1000000000000000000",
"output": "50 50\n240\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n5 8 6 8\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 ..."
},
{
"input": "1",
"output": "4 4\n5\n1 2 2 2\n1 3 2 3\n2 1 2 2\n3 1 3 2\n4 1 4 2"
},
{
"input": "2",
"output": "4 4\n4\n1 2 2 2\n1 3 2 3\n2 1 2 2\n3 1 3 2"
},
{
"input": "201620162016201600",
"output": "48 48\n241\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 ..."
},
{
"input": "138944482508455329",
"output": "48 48\n244\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11..."
},
{
"input": "327543848458922240",
"output": "48 48\n231\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 12 13\n11 14 12 14\n12 8 12 9\n12..."
},
{
"input": "516143210114421854",
"output": "48 48\n231\n1 2 2 2\n1 3 2 3\n1 4 2 4\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 6 5 7\n5 7 6 7\n5 8 6 8\n6 2 6 3\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11 10\n11 12 11 13\n11 13 12 13..."
},
{
"input": "481370539210112956",
"output": "48 48\n231\n1 2 2 2\n1 3 2 3\n1 4 2 4\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 12 13\n12 8 12 9\n12 10 13 ..."
},
{
"input": "639733286738742273",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"input": "398693396489237539",
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{
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{
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{
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{
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{
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{
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{
"input": "789730223053602816",
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{
"input": "789730223053602815",
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{
"input": "947676267664323379",
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{
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{
"input": "473838133832161689",
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{
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{
"input": "999999999999999999",
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},
{
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{
"input": "100055128505716009",
"output": "46 46\n222\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11 10\n11 12 11 13\n11 13 12 13\n11 14 12 1..."
},
{
"input": "981168724994134051",
"output": "50 50\n243\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11 10\n11 12 11 13\n11 13 12 13\n11 14 12 1..."
},
{
"input": "213025900602118694",
"output": "48 48\n233\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 7 9 8\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 12 13\n1..."
},
{
"input": "163428781826190151",
"output": "48 48\n243\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 5 7 6\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 9 11 10\n11 12 11 13\n11 13 12 13\n12 8 12 9\n..."
},
{
"input": "149046408559208370",
"output": "48 48\n238\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 1 3 2\n3 4 3 5\n3 5 4 5\n3 6 4 6\n4 1 4 2\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 3 6 4\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n9 12 10 12\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 12 13\n1..."
},
{
"input": "718882536615471983",
"output": "48 48\n228\n1 2 2 2\n1 3 2 3\n2 1 2 2\n2 4 2 5\n2 6 3 6\n2 7 3 7\n3 4 3 5\n3 5 4 5\n4 2 5 2\n4 3 5 3\n4 6 4 7\n4 8 5 8\n4 9 5 9\n5 3 5 4\n5 6 5 7\n5 7 6 7\n6 2 6 3\n6 4 7 4\n6 5 7 5\n6 8 6 9\n6 10 7 10\n6 11 7 11\n7 2 7 3\n7 8 7 9\n7 9 8 9\n7 10 8 10\n8 4 8 5\n8 5 8 6\n8 6 9 6\n8 7 9 7\n8 10 8 11\n8 12 9 12\n8 13 9 13\n9 4 9 5\n9 10 9 11\n9 11 10 11\n10 6 10 7\n10 7 10 8\n10 8 11 8\n10 9 11 9\n10 12 10 13\n10 14 11 14\n10 15 11 15\n11 6 11 7\n11 12 11 13\n11 13 12 13\n12 8 12 9\n12 9 12 10\n12 10 13 10\n12..."
}
] | 1,474,123,917
| 4,017
|
Python 3
|
WRONG_ANSWER
|
PRETESTS
| 1
| 46
| 0
|
print("3 2 0");
|
Title: Create a Maze
Time Limit: None seconds
Memory Limit: None megabytes
Problem Description:
ZS the Coder loves mazes. Your job is to create one so that he can play with it. A maze consists of *n*<=×<=*m* rooms, and the rooms are arranged in *n* rows (numbered from the top to the bottom starting from 1) and *m* columns (numbered from the left to the right starting from 1). The room in the *i*-th row and *j*-th column is denoted by (*i*,<=*j*). A player starts in the room (1,<=1) and wants to reach the room (*n*,<=*m*).
Each room has four doors (except for ones at the maze border), one on each of its walls, and two adjacent by the wall rooms shares the same door. Some of the doors are locked, which means it is impossible to pass through the door. For example, if the door connecting (*i*,<=*j*) and (*i*,<=*j*<=+<=1) is locked, then we can't go from (*i*,<=*j*) to (*i*,<=*j*<=+<=1). Also, one can only travel between the rooms downwards (from the room (*i*,<=*j*) to the room (*i*<=+<=1,<=*j*)) or rightwards (from the room (*i*,<=*j*) to the room (*i*,<=*j*<=+<=1)) provided the corresponding door is not locked.
ZS the Coder considers a maze to have difficulty *x* if there is exactly *x* ways of travelling from the room (1,<=1) to the room (*n*,<=*m*). Two ways are considered different if they differ by the sequence of rooms visited while travelling.
Your task is to create a maze such that its difficulty is exactly equal to *T*. In addition, ZS the Coder doesn't like large mazes, so the size of the maze and the number of locked doors are limited. Sounds simple enough, right?
Input Specification:
The first and only line of the input contains a single integer *T* (1<=≤<=*T*<=≤<=1018), the difficulty of the required maze.
Output Specification:
The first line should contain two integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=50) — the number of rows and columns of the maze respectively.
The next line should contain a single integer *k* (0<=≤<=*k*<=≤<=300) — the number of locked doors in the maze.
Then, *k* lines describing locked doors should follow. Each of them should contain four integers, *x*1,<=*y*1,<=*x*2,<=*y*2. This means that the door connecting room (*x*1,<=*y*1) and room (*x*2,<=*y*2) is locked. Note that room (*x*2,<=*y*2) should be adjacent either to the right or to the bottom of (*x*1,<=*y*1), i.e. *x*2<=+<=*y*2 should be equal to *x*1<=+<=*y*1<=+<=1. There should not be a locked door that appears twice in the list.
It is guaranteed that at least one solution exists. If there are multiple solutions, print any of them.
Demo Input:
['3\n', '4\n']
Demo Output:
['3 2\n0\n', '4 3\n3\n1 2 2 2\n3 2 3 3\n1 3 2 3']
Note:
Here are how the sample input and output looks like. The colored arrows denotes all the possible paths while a red cross denotes a locked door.
In the first sample case:
In the second sample case:
|
```python
print("3 2 0");
```
| 0
|
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