exec_outcome
stringclasses
1 value
code_uid
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32
32
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stringclasses
111 values
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10
10
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stringlengths
63
3.8k
prob_desc_memory_limit
stringclasses
18 values
source_code
stringlengths
117
65.5k
lang_cluster
stringclasses
1 value
prob_desc_sample_inputs
stringlengths
2
802
prob_desc_time_limit
stringclasses
27 values
prob_desc_sample_outputs
stringlengths
2
796
prob_desc_notes
stringlengths
4
3k
βŒ€
lang
stringclasses
5 values
prob_desc_input_from
stringclasses
3 values
tags
listlengths
0
11
src_uid
stringlengths
32
32
prob_desc_input_spec
stringlengths
28
2.37k
βŒ€
difficulty
int64
-1
3.5k
βŒ€
prob_desc_output_spec
stringlengths
17
1.47k
βŒ€
prob_desc_output_to
stringclasses
3 values
hidden_unit_tests
stringclasses
1 value
PASSED
8a2aeb8f0acf65ead1bac4e19f788015
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.awt.List; import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class solver implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void init() throws FileNotFound...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
7091f384f21c2eb9691bcc651c890f6c
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.util.Scanner; public class A305 { public static boolean isPalindrome(String string) { StringBuilder sb=new StringBuilder(); for(int i=string.length()-1;i>=0;i--) sb.append(string.charAt(i)); return string.equals(sb.toString()); } public static void main(...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
d695a132ff77cd1d50e27ce48ce250d8
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.util.Scanner; public class main { public static void main(String args[]) { Scanner input = new Scanner(System.in); String x = input.nextLine(); char a[] = new char[x.length()]; for(int i=0;i<x.length();i++) { a[i] = x.charAt(i); ...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
b1a9fa9509830fd6d4af51bea1ffb502
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.util.*; public class Fek { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String s = sc.nextLine(); int x = Integer.valueOf(sc.nextLine()); if (s.length() % x != 0) System.out.println("NO"); else { int div = s.length() / x; boolean b = true; int k =...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
3bea54bb771995603a5b66a84e64d48b
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
/* * Author - Chinmaya Kr. Patanaik * University - Charles University Prague * */ import java.util.Scanner; import java.util.*; public class MikeAndFox_548A { public static void main(String[] args) { Scanner scan = new Scanner(System.in); String line = scan.next(); int size = scan.n...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
11cf8b4605268574c0c9a74b95db3fe3
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.util.*; import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; public class Main { static void solve(InputReader reader, OutputWriter out) throws IOException { // Scanner in = new Scanner(new BufferedReader(new // FileReader("input.txt"))); // PrintWriter ou...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
a5df77f5422432789678bd40600b39e2
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.util.Scanner; public class A { public static void main(String[] args) { Scanner in = new Scanner(System.in); boolean ans = true; String s = in.next(); int k = in.nextInt(); String t = ""; int w = s.length() / k; int start = 0; while (w != 0) { if (start + w > s.length()) break; t...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
038864a4d625ab57fcf77456ff74e830
train_001.jsonl
1432658100
While Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He concatenated these strings in some order and now he has string s. He is not sure if this is his own back-bag or someone else's. He remembered that there were exactly k messages in h...
256 megabytes
import java.util.Scanner; public class A { public static void main(String args[]){ Scanner in = new Scanner(System.in); String s = in.next(); int k = in.nextInt(); int n = s.length(); int a = n/k; int m = 0 ; int l = m+a-1; int count = 0 ; if(...
Java
["saba\n2", "saddastavvat\n2"]
1 second
["NO", "YES"]
NotePalindrome is a string reading the same forward and backward.In the second sample, the faxes in his back-bag can be "saddas" and "tavvat".
Java 7
standard input
[ "implementation", "brute force", "strings" ]
43bb8fec6b0636d88ce30f23b61be39f
The first line of input contains string s containing lowercase English letters (1 ≀ |s| ≀ 1000). The second line contains integer k (1 ≀ k ≀ 1000).
1,100
Print "YES"(without quotes) if he has worn his own back-bag or "NO"(without quotes) otherwise.
standard output
PASSED
d08d9b039f463249e5875a452b4f0e44
train_001.jsonl
1481992500
Hongcow is ruler of the world. As ruler of the world, he wants to make it easier for people to travel by road within their own countries.The world can be modeled as an undirected graph with n nodes and m edges. k of the nodes are home to the governments of the k countries that make up the world.There is at most one edg...
256 megabytes
import java.io.*; import java.util.*; public class A { static ArrayList<Integer> g[]; static int[] vis,cc; public static void main(String[] args)throws IOException { FastReader f=new FastReader(); StringBuffer sb = new StringBuffer(); int n=f.nextInt(); int m=f.nextInt(); int k=f.nextInt(); ...
Java
["4 1 2\n1 3\n1 2", "3 3 1\n2\n1 2\n1 3\n2 3"]
2 seconds
["2", "0"]
NoteFor the first sample test, the graph looks like this: Vertices 1 and 3 are special. The optimal solution is to connect vertex 4 to vertices 1 and 2. This adds a total of 2 edges. We cannot add any more edges, since vertices 1 and 3 cannot have any path between them.For the second sample test, the graph looks lik...
Java 8
standard input
[ "dfs and similar", "graphs" ]
6cf43241b14e4d41ad5b36572f3b3663
The first line of input will contain three integers n, m and k (1 ≀ n ≀ 1 000, 0 ≀ m ≀ 100 000, 1 ≀ k ≀ n)Β β€” the number of vertices and edges in the graph, and the number of vertices that are homes of the government. The next line of input will contain k integers c1, c2, ..., ck (1 ≀ ci ≀ n). These integers will be pa...
1,500
Output a single integer, the maximum number of edges Hongcow can add to the graph while keeping it stable.
standard output
PASSED
aec3f9b6ed25ba5ee584b5a338029c27
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.io.*; import java.util.*; import java.lang.Math.*; public class crocA { public static void main(String args[])throws Exception { Scanner in=new Scanner(System.in); //BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); //BufferedReader br = new Buffere...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
29b732612e1d65faaa6f0b85c37fc659
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.io.*; import java.util.*; import java.lang.Math.*; public class crocA { public static void main(String args[])throws Exception { Scanner in=new Scanner(System.in); //BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); //BufferedReader br = new Buffere...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
ec6a3ec7021774ea12954af77cb4d157
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; import java.util.StringTokenizer; pub...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
58f048554e5ff91c83e74679acf970ea
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Solution { public static void main(String[] args) throws Exception { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); PrintWriter out ...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
d35564924d05f26d79c68add895cf548
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.awt.Point; import java.io.*; public class Main { public static void main(String[] args) { BufferedReader br = new BufferedReader (new InputStreamReader(System.in)); try { String[] data = br.readLine().split(" "); int n = Integer.parseInt(data[0]); Point[] coords = new Point[4]; int off...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
509c09522547efe2862384a71e8c9b20
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.util.Scanner; public class Main { public static void main(String[] args) { int n,m; Scanner sc = new Scanner(System.in); n=sc.nextInt(); m=sc.nextInt(); char mas [][] = new char[n][m]; for(int i=0;i<n;i++) { String S = sc.next();...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
7ac7080b3855b8b03bd4af43b62e6f27
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.util.Scanner; public class KK { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int x = sc.nextInt(); int y = sc.nextInt(); int f = 0; Point[] ans = new Point[4]; for (int i = 0; i < x; i++) { String s = sc.next...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
82f9f080ffa42429962b06b53b0bc3fc
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.io.*; import java.util.*; public class Main { public void solve( ) throws Throwable { int rows = in.nextInt( ), cols = in.nextInt( ); char mat[ ][ ] = new char[ rows ][ ]; for ( int i = 0; i < mat.length; ++i ) { mat[ i ] = in.next( ).toCharArray( ); } ...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
fa2a7a6973a6e2627cf4825b9589c479
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.io.*; import java.math.BigInteger; import java.util.*; import java.util.Map.Entry; public class Main { public static void main(String[] args) throws IOException { (new Main()).solve(); } public void Main() { } void solve() throws IOException { //BufferedReader in = new Buffe...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
8081d8da35a979e8ebee8991ed5084a2
train_001.jsonl
1334934300
The Berland capital is shaken with three bold crimes committed by the Pihsters, a notorious criminal gang.The Berland capital's map is represented by an n × m rectangular table. Each cell of the table on the map represents some districts of the capital. The capital's main detective Polycarpus took a map and marked ther...
256 megabytes
import java.util.Scanner; public class CROC_1012_A { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int x[] = new int[3]; int y[] = new int[3]; int k = 0; for (int i = 0; i < n; i++) { String s = sc.next(); sc.nextLine(); // ...
Java
["3 2\n.*\n..\n**", "3 3\n*.*\n*..\n..."]
2 seconds
["1 1", "2 3"]
null
Java 6
standard input
[ "implementation", "geometry", "brute force" ]
e344de8280fb607c556671db9cfbaa9e
The first line contains two space-separated integers n and m (2 ≀ n, m ≀ 100) β€” the number of rows and columns in the table, correspondingly. Each of the next n lines contains m characters β€” the description of the capital's map. Each character can either be a "." (dot), or an "*" (asterisk). A character equals "*" if t...
800
Print two integers β€” the number of the row and the number of the column of the city district that is the fourth one to be robbed. The rows are numbered starting from one from top to bottom and the columns are numbered starting from one from left to right.
standard output
PASSED
99455ed6bdb3b8cf090970d486b38a94
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.util.*; import java.util.stream.Collectors; import java.util.stream.IntStream; public class Solution{ static int id = 1; public static void dfs(int curr,List<List<Integer>> adj, int[] ids, int[] lows,Stack<Integer> stack, int[] onStack, List<List<Integer>> sccs){ ids[curr] = Solution.id;...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
fc75ca89aea7e096451ec03430c51122
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.util.*; import java.io.*; import java.math.*; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; public class Main { static ArrayList<Integer> a[] = new ArrayList[100005]; static int []cost = new int[100005];// = new int[26]; static int []low = new int[100005];...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
82d6cb53dec17a57138a36617954864d
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.io.PrintStream; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.IOException; import java.util.Stack; import java.util.ArrayList...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
089e2c09e5082afb97c394d14336794d
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.*; import java.util.*; import static java.lang.Math.*; import static java.util.Arrays.*; // 21:49.030 public class cf302218b { public static void main(String[] args) throws IOException { int n = ri(), cost[] = ria(n), m = ri(); Graph g = graph(n, m); List<List<Integer>> sc...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
00ca9e43ec85363e081771702c0119ae
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.*; import java.util.*; public class Main { int n,cost[],time; Pair exit[]; ArrayList<Integer> list[],revlist[]; boolean visited[]; long ans,cnt; final long mod=(long)(1e9+7); private void solve()throws IOException { n=nextInt(); cost=new int[n+1]; for(int i=1;i<=n;i++) cost[i]=nextInt();...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
59d8dcb5972f72d39ec13d2377457794
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Scanner; import java.util.Stack; public class Solution { public static void topodfs(int src , HashMap<Integer , ArrayList<Integer>> map , Stack<Integer> st , HashSet<Integer> vis){ vis.add(src); for(i...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
11d0661925ef0ff9f3238ac754db2f60
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.util.*; import java.io.*; import java.math.*; public class Main{ public static PrintWriter out = new PrintWriter (new BufferedOutputStream(System.out)); public static void main(String sp[])throws IOException{ //Scanner sc = new Scanner(System.in); FastReader sc = new FastReader(); int n = sc.nex...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
7147cada5b6a24f625f93ad1c79f73bd
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.util.*; import java.io.*; import java.math.*; public class Main{ public static PrintWriter out = new PrintWriter (new BufferedOutputStream(System.out)); public static void main(String sp[])throws IOException{ //Scanner sc = new Scanner(System.in); FastReader sc = new FastReader(); int n = sc.nex...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
95b0f9360971ce50518c7d7e1a3d7fc1
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.*; import java.util.*; import java.util.LinkedList; // This class represents a directed graph using adjacency list // representation public class Graph { private int V; // No. of vertices private LinkedList<Integer> adj[]; //Adjacency List //Constructor Graph(int v) { V = v; adj =...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
58caadc2dcbcca59a6dfd20d753122a4
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
//package com.company; import java.util.*; public class Main { public static void main(String[] args) { // write your code here Scanner in = new Scanner(System.in); int t1=1; while(t1>0){ int n = in.nextInt(); int[] cost = new int[n]; for(int i=0;...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
46583a0d22b777bb7ea24a13bb1ceb35
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
//package com.company; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.lang.reflect.Array; import java.sql.SQLOutput; import java.util.*; public class Main { public static void main(String[] args) throws IOException { Scanner s = new Scanner(System.i...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
2ae7e88cfdb47887596599a8c7892c6d
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class Checkposts { private int time; ArrayList<Integer> stack; public static void main(Stri...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
b1a03830159c05bcdebdb5245a9f21b3
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class Checkposts { private int time; ArrayList<Integer> stack; public static void main(Stri...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
39bb4d8e18ad998e308a61b97bdfa9b8
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class Checkposts { public static void main(String[] args) throws IOException { BufferedRead...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
5c7a3b62f27fa09f76c88aa900c2c595
train_001.jsonl
1399044600
Your city has n junctions. There are m one-way roads between the junctions. As a mayor of the city, you have to ensure the security of all the junctions.To ensure the security, you have to build some police checkposts. Checkposts can only be built in a junction. A checkpost at junction i can protect junction j if eithe...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Iterator; import java.util.Set; import java.util.InputMismatchException; import java.util.HashMap; import java.io.IOException; import java.util.Stack; import java.util.ArrayList; import java...
Java
["3\n1 2 3\n3\n1 2\n2 3\n3 2", "5\n2 8 0 6 0\n6\n1 4\n1 3\n2 4\n3 4\n4 5\n5 1", "10\n1 3 2 2 1 3 1 4 10 10\n12\n1 2\n2 3\n3 1\n3 4\n4 5\n5 6\n5 7\n6 4\n7 3\n8 9\n9 10\n10 9", "2\n7 91\n2\n1 2\n2 1"]
2 seconds
["3 1", "8 2", "15 6", "7 1"]
null
Java 11
standard input
[ "two pointers", "dfs and similar", "graphs" ]
ee576fd64305ab99b2e0442aad6199d8
In the first line, you will be given an integer n, number of junctions (1 ≀ n ≀ 105). In the next line, n space-separated integers will be given. The ith integer is the cost of building checkpost at the ith junction (costs will be non-negative and will not exceed 109). The next line will contain an integer mΒ (0 ≀ m ≀ 3...
1,700
Print two integers separated by spaces. The first one is the minimum possible money needed to ensure the security of all the junctions. And the second one is the number of ways you can ensure the security modulo 1000000007 (109 + 7).
standard output
PASSED
4b85e344bc6721980af21e04aa6846f3
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
//package q1; import java.util.*; public final class Q1 { public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int a[]=new int[n],max=Integer.MIN_VALUE,index=0,b_r=0,b_l=0,l,r; for(int i=0;i<n;i++) { a[i]=sc.nextInt(); ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
3cf6386611bacd586f5053fceaa5f8bd
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Scanner; public class Pillars { public static void main(String args[]) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int i; int[] ar= new int[n]; for(i=0;i<n;i++) ar[i]=in.nextInt(); int d = n/2; // d--; // if(n%2!=0) // d++; // int c=1; if(n%2!=0) c=...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
e60ccf765c47725cf60a22e4a4da2c44
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; import java.io.*; public class Ladder { public static void main(String args[] ) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); OutputStream outputStream = System.out; PrintWriter out = new PrintWriter(outputStream); int...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
5a239700b15030a32c198f68a0c8d4d4
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.ArrayList; import java.util.HashMap; import java.util.Scanner; public class Pillars { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); int []pil=new int[n]; HashMap<Integer,Integer> hashMap=new HashMap<>()...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
6fab8e46c77d72b67edcb3fd8c3b9e23
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; public class Main { public static void main (String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] a = new int[n]; int i, max=0, x=-1; for(i=0;i<n;i++){ a[i]=in.nextInt(); if(a[i]>max){ ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
789b34549cfed6a57be5386fa9f81e67
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Scanner; public class pre21 { public static void main(String args[]) { Scanner obj = new Scanner(System.in); int n = obj.nextInt(); int[] arr = new int[n]; int max = Integer.MIN_VALUE,index=-1; for(int i=0;i<n;i++) { arr[i] = obj.next...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
62c446a70c71f3ad22d8ab3fdef62f7e
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Jenish */ public class Ma...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
f9442a39173fc85b8a4cde6bcaff42c0
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; import java.io.*; import java.math.BigInteger; public class Exam { public static long mod = (long) Math.pow(10, 9)+7 ; public static InputReader sc = new InputReader(System.in); public static PrintWriter pw = new PrintWriter(System.out); public static int countSetBits(int n) { ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
7534c30c6d81591208dc95efd6efcf73
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; import java.util.concurrent.LinkedBlockingQueue; import java.util.zip.Inflater; public class Main { private static AWriter writer = new AWriter(System.out); private static AReader reader = new AReader(System.in); ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
20c7f606e49e606ef7710b595241b48d
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import java.util.*; public class tr1 { static PrintWriter out; static StringBuilder sb; static int inf = (int) 1e9; static int mod = (int) 1e9 + 7; static int[] si; static ArrayList<Integer> primes; static HashSet<Integer> pr; static int n, k, m; static boolean[] in; static HashMap<Integer,...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
84d1f7b7140f1545a9fa4d40b2e92342
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; public class A{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int a[]=new int[n+1]; int j=0,max=0; for(int i=1;i<n+1;i++){ int num=sc.nextInt(); a[num]=i; } int left=0...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
bfb71600c689c945927d6743a592359f
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; public class A{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int a[]=new int[n+1]; int j=0,max=0; for(int i=1;i<n+1;i++){ a[sc.nextInt()]=i; } int left=0,right=0; boolean...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
44fcbc226945f8d19a4f622fc9d3a2da
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import java.util.*; import java.math.*; import java.lang.*; //@Manan Parmar public class Solution2 implements Runnable { public void run() { InputReader sc = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out); int n=sc.nextInt(...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
aeb8b612d726a8b0a1a34e244de12df9
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Arrays; import java.util.Scanner; public class cf2 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] arr = new int[n]; int[] arr1 = new int[n]; int[] arr2 = new int[n]; int[] arr3 = new int[n];...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
b229df1d6eb1caa6d6aea02c3dc0230c
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Arrays; import java.util.List; import java.util.Scanner; public class Contest { //private static List<Integer> results = new ArrayList<>(); //private static Map<Integer, List<Integer>> map = new HashMap<>(); /** * @param args the command line arguments */ public static void...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
669982c598b1d9b61768878718e1c04c
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; public class B { static Scanner sc = new Scanner(System.in); static int[] inx; static int[] a; public static void main(String[] args) { int n = sc.nextInt(); a = new int[n]; int max = 0, maxInx = 0; for (int i = 0; i < n; i++) { a[i] = sc.nextInt(); // System.out.println(a[i]); ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
fe5219097743cdc1b50bf91c86b27c8c
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; int pp = -1; for(int i = 0; i<n ; i++) { a[i] = sc.nextInt(); if(a[i] == n) pp = i...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
705d22230f4c1091bc8fb5ff2f8d135b
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
/* package codechef; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ public class Codechef { public static void main (String[] args) throws java.lang.Exception { Scanner sc= new Scanner(System.in); Pr...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
86012d826524dff6aedf7bc4b1fbd083
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.HashMap; import java.util.StringTokenizer; import java.util.TreeMap; public class Main { public static PrintWri...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
33807166cd7da3d1d7eb5d2f25dd709a
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; import java.io.*; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null || !st.hasMoreElements()) ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
4a24df5184440c39db91666a4771b494
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; import java.io.*; public class Main { static class FastReader { BufferedReader br; StringTokenizer st; FastReader() { br = new BufferedReader(new InputStreamReader(System.in)); } String next() { while (st == null || !st.hasMoreElements()) ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
2b2b0c1f9488ccd9831a175a84bebe3d
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import static java.lang.Double.max; import static java.lang.Math.pow; import java.util.*; /** * * @author Mohammed M Elkady */ public class Mamo { static long ans,sum,sum2,max; static StringBuilder Sd=new StringBuilder(); static FastReader in=new FastReader(); static long n,m; public static voi...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
b1ea81cf74d2161cdacc0daa1b20aff7
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import static java.lang.Double.max; import static java.lang.Math.pow; import java.util.*; /** * * @author Mohammed M Elkady */ public class Mamo { static long ans,sum,sum2,max; static StringBuilder Sd=new StringBuilder(); static FastReader in=new FastReader(); static long n,m; public static vo...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
b5ef4efc9b058d5f7a91f255dca15eaf
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class pillars { public static void main(String[] args) throws Exception { BufferedReader in = new BufferedReader(new InputStreamReader(System.in...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
22a920c06883960760fdab8d06b79a48
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; import java.io.*; public class A { public static void main(String args[]) { FastScanner in = new FastScanner(); int n=in.nextInt(); int a[]=in.nextArray(n); int ctr=0; int i=0,j=n-1; for(;i<n-1;i++) { if(a[i]>a[i+1]) { break; } } for(;j>0;j--) { if(a[j]>a[j-1]) { br...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
413d3e2f654fa18e14af0619de37aa25
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; public class test { public static void main(String args[]) { Scanner s = new Scanner(System.in); int n=s.nextInt(); int arr1[]=new int[n]; int arr2[]=new int[n+1]; int max_index=0; for(int i=0;i<n+1;i++) { arr2[i]=0; ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
9d042b7b4975692c8add6eef97c8eacc
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import java.util.*; public class b2{ public static void main(String args[]){ Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int A[]=new int[n]; int g=0,m=-1; for(int i=0;i<n;i++){ A[i]=sc.nextInt(); if(A[i]>g){ g=A[i]; m=i; } } int l,r; int t=1; for(in...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
616d653102c4f2062c565ba94318f355
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class CF1197B { public static void main(String[] args) { FastReader input = new FastReader(); int n = input.nextInt(); int[] arr = new int[n]; int ma...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
7ee5370d28b44b2321f482009199d4f0
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Scanner; public class codeforces { public static void solution(int [] arr) { int max=0; int index=0; for(int i=0;i<arr.length;i++) { if(arr[i]>max) { max=arr[i]; index=i; } } boolean isSorted=true; for(int i=0;i<index;i++) { if(arr[i]>=arr[i+1]) { isSorted=false; ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
31e1a7dddf1c0a64e709603e101f687c
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class a{ static int[] count,count1; static long[] arr; static char[] ch,ch1; static long[] darr; static long[][] mat,mat1; static long...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
5c0ea1f93fad2427f1c413e7fe8859aa
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
/* 9 2 1 1 1 1 1 0 0 0 0 1 2 1 5 5 6 5 7 2 3 2 4 3 8 3 9 */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java....
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
07a1ef9ad240aab9dcbce129ffa968b4
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
/* * @Author: Kaustav Vats */ import java.io.*; import java.util.*; import java.math.*; import java.lang.*; public class PB { public static void main(String[] args) throws IOException{ Reader.init(System.in); int N = Reader.nextInt(); Node Arr = new Node(Reader.nextInt()); Nod...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
6f55d33a85e2eb518918397c03634b60
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; i...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
c1c5365e9b41d9e4bdea316d9adcd712
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.ArrayList; import java.util.Scanner; public class Pillars { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); ArrayList<Integer> arrayList = new ArrayList<>(n); int max = Integer.MIN_VALUE, maxIndex = 0; ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
3c398e7bdf57ea1503bfb3a8b06657ed
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Arrays; import java.util.Comparator; import java.util.Scanner; public class pillars { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); diskSet[] arr = new diskSet[n]; diskSet[] unsortedArr = new diskSet[n]; for (int i = 0; i < n; i++) { ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
0a7418225050af1824b43ef73c5f8c89
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.*; import java.lang.reflect.Array; import java.util.*; import static java.lang.Math.*; public class Main { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //BufferedReader br = new BufferedReader(new FileReader("input.txt")); StringTokenizer st = new StringTokenize...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
997012f836ffd2d3a8f303a2667c1c45
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Scanner; public class HelloWorld{ public static void main(String []args){ Scanner obj= new Scanner(System.in); int n= obj.nextInt(); int[] list= new int[n]; int highestv=0; int highest=0; for(int i=0;i<n;i++){ int current=obj.nextInt(); ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
708c007056ace8d2498b4b68c6b407af
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.io.InputStreamReader; import java.util.Scanner; public class Pillars { public static void main(String[] args) { Scanner sc = new Scanner(new InputStreamReader(System.in)); int numPillars = sc.nextInt(); int[] length = new int[numPillars]; int maxIndex = 0; int ...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
9e6975c0740ff8701ef350b9b1888065
train_001.jsonl
1563806100
There are $$$n$$$ pillars aligned in a row and numbered from $$$1$$$ to $$$n$$$.Initially each pillar contains exactly one disk. The $$$i$$$-th pillar contains a disk having radius $$$a_i$$$.You can move these disks from one pillar to another. You can take a disk from pillar $$$i$$$ and place it on top of pillar $$$j$$...
256 megabytes
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int apred = sc.nextInt(); if (apred == n) { for (int j = 1; j < n; j++) { int a = sc.nextInt(); if (a > apred) { System.out.println("NO"); ret...
Java
["4\n1 3 4 2", "3\n3 1 2"]
1.5 seconds
["YES", "NO"]
NoteIn the first case it is possible to place all disks on pillar $$$3$$$ using the following sequence of actions: take the disk with radius $$$3$$$ from pillar $$$2$$$ and place it on top of pillar $$$3$$$; take the disk with radius $$$1$$$ from pillar $$$1$$$ and place it on top of pillar $$$2$$$; take the disk wi...
Java 8
standard input
[ "implementation", "greedy" ]
12abfbe7118868a0b1237489b5c92760
The first line contains one integer $$$n$$$ ($$$3 \le n \le 2 \cdot 10^5$$$) β€” the number of pillars. The second line contains $$$n$$$ integers $$$a_1$$$, $$$a_2$$$, ..., $$$a_i$$$ ($$$1 \le a_i \le n$$$), where $$$a_i$$$ is the radius of the disk initially placed on the $$$i$$$-th pillar. All numbers $$$a_i$$$ are dis...
1,000
Print YES if it is possible to place all the disks on the same pillar simultaneously, and NO otherwise. You may print each letter in any case (YES, yes, Yes will all be recognized as positive answer, NO, no and nO will all be recognized as negative answer).
standard output
PASSED
71ad1b681622d56389ea90a72470fb18
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.*; import java.util.*; public class E implements Runnable { private MyScanner in; private PrintWriter out; final int[] dx = { -1, 0, 1, 0 }; final int[] dy = { 0, -1, 0, 1 }; int n; int[][] map; boolean[][] seen; Deque<Integer> queue; boolean valid(int x, int y) { ...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
3a7dbcff9cba159636c48a462184a8fd
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.*; import java.util.*; public class Solution implements Runnable { private StringTokenizer st; private BufferedReader in; private PrintWriter out; long count; long sumx; long sumy; double mind, maxd; private void cDfs(int i, int j, boolean[][] b, boolean[][] col) { if (i < 0 || i >= b.le...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
f33733cf179d351072da3dfc437c325d
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.*; import java.util.*; public class Solution implements Runnable { private StringTokenizer st; private BufferedReader in; private PrintWriter out; long count; long sumx; long sumy; double mind, maxd; private void cDfs(int i, int j, boolean[][] b, boolean[][] col) { if (i < 0 || i >= b.le...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
a28385b3bf9e98baadfca6a4365ca98c
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.*; import java.util.*; public class Solution implements Runnable { private StringTokenizer st; private BufferedReader in; private PrintWriter out; long count; long sumx; long sumy; double mind, maxd; private void cDfs(int i, int j, boolean[][] b, boolean[][] col) { if (i < 0 || i >= b.le...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
d67f99e510ad23ded3a1fd4efbfbf3cf
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.*; import java.util.*; /* * * E.java * Written by Andy Huang: 9:57:38 AM Apr 28, 2012 */ public class E { static boolean img[][]; static final int d[][] = { { 0, 1 }, { 1, 0 }, { 0, -1 }, { -1, 0 } }; static void solve() { int n = in.nInt(); img = new boolean[n + 2][n + 2]; int sq = 0; ...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
5524cb1608e7adf03976e57c3230fff2
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
//package abbyy2.hard; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.io.StringReader; import java.util.Arrays; import java.util.HashMap; import java.util.Map; public class ES2 { BufferedReader br; PrintWriter out; String INPUT = ""; void solve() throws E...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
f444f01da6280fe0c1a6cb305460974d
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class E implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); public static void main(String[] args) { new Threa...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
f7cb0ae1fc56209d27e6ba92b2b7e1e2
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.Locale; import java.util.Stack; import java....
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
596ccbbf89d985c60dfcfa901b98552e
train_001.jsonl
1335614400
Offering the ABBYY Cup participants a problem written by the Smart Beaver is becoming a tradition. He proposed the following problem.You are given a monochrome image, that is, an image that is composed of two colors (black and white). The image is given in raster form, that is, as a matrix of pixels' colors, and the ma...
256 megabytes
import java.io.*; import java.util.*; public class E2{ public static void main(String ar[]){ try{ BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); //BufferedReader in=new BufferedReader(new FileReader("e-samples\\easy_2.in")); int n=Integer.parseInt(in.readLine()); int q=0; int...
Java
[]
5 seconds
[]
NoteYou are given a sample of original data for each difficulty level. The samples are available at http://codeforces.ru/static/materials/contests/178/e-samples.zip .
Java 6
standard input
[]
06c7699523a9f8036330857660c0687e
The first input line contains a single integer n (1000 ≀ n ≀ 2000), which is the length and the width of the original image. Next n lines describe the matrix of colors of the image pixels. The i-th line contains exactly n integers aij (0 ≀ aij ≀ 1), separated by spaces. Value of aij = 0 corresponds to a white pixel an...
1,900
Print exactly two integers, separated by a single space β€” the number of circles and the number of squares in the given image, correspondingly.
standard output
PASSED
ac3fb0ca67e4ca60f47c42a1a2b414af
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.*; import java.util.*; import java.util.stream.IntStream; import java.util.stream.Stream; public class Main implements Runnable { static final int MOD = (int) 1e9 + 7; static final int MI = (int) 1e9; static final long ML = (long) 1e18; static final Reader in = new Reader(); static f...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
ae0d219a9c69612c0e5b549e0ececd71
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual soluti...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
f903cb59d84a95279bef72985bb98645
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.util.*; import java.io.*; public class P297A { private static void solve() { char[] c1 = next().toCharArray(); char[] c2 = next().toCharArray(); int cnt1 = 0; for (int i = 0; i < c1.length; i++) { if (c1[i] == '1') cnt1++; } int cnt2 = 0; for (int i = 0; i < c2.length...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
f9335a486ed34c202298b85ffcfdf1c1
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.LinkedList; import java.util.StringTokenizer; // knuth-moris-pattrn string matching algorithm public class Main { public static void main(String args[])throws Exception { ...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
bef57912ae43c5d2826f291cfd43b079
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.*; import java.util.*; import static java.lang.Math.*; public class Main extends PrintWriter { BufferedReader in; StringTokenizer stok; final Random rand = new Random(31); final int inf = (int) 1e9; final long linf = (long) 1e18; final static String IO = "_std"; int k1(cha...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
dd83d7f1b629741461dec4b380660573
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top */ public ...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
d35ab5eae108cdaa4c837faace1495c1
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.util.Scanner; public class A297 { public static void main(String[] args) { Scanner in = new Scanner(System.in); int count = 0; char[] s = in.next().toCharArray(); char[] n = in.next().toCharArray(); for (int i = 0; i < s.length; ++i) { count += s[i] ...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
f38497877b2109422d731a48b30969ce
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.*; import java.util.*; public class Template implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void init() throws FileNotFoundException { try { in = new BufferedReader(new FileReader("input.txt")); o...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
76375779748dcc261b884cc4edaf0061
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Scanner; /** * Built using CHelper plug-in * Actual solution is at the top * * @author mthai */ public class Main { public static void main(String[] args) { InputStream inp...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
c26a650681b6cb2d105b996492edca07
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.IOException; import java.io.OutputStreamWriter; import java.io.BufferedWriter; import java.util.InputMismatchException; import java.io.OutputStream; import java.io.PrintWriter; import java.util.NoSuchElementException; import java.io.Writer; import java.math.BigInteger; import java.io.InputStream; /** *...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
624df19f69ededb4857f9442c79f3667
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.util.Scanner; public class ParityGame { public static void main(String[] args) { Scanner sc = new Scanner(System.in); char[] a = sc.next().toCharArray(); char[] b = sc.next().toCharArray(); int count = 0; for (int i = 0; i < a.length; ++i) { count += a[i] == '1' ? 1 : 0; } count += cou...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
0e76dc8e3b16e900fbac50e6954a6a34
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.*; import java.util.*; import java.util.zip.ZipEntry; import java.math.*; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; Input in = new Input(inputStream); PrintWriter out = new...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
d1b62c4156aae8f1e906ba0792f54a60
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.*; import java.util.*; import java.math.*; public class Main { FastScanner in; PrintWriter out; static class FastScanner { BufferedReader br; StringTokenizer st; FastScanner(InputStream in) { br = new BufferedReader(new InputStreamReader(in)); ...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
ccc3ff702980a252bf1d4d625b80b1b8
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { InputReader in=new InputReader(System.in); String a=in.next(); String b=in.next(); int cA=cou...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
b479dd18146683b53915283047e0762f
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.Arrays; import java.util.BitS...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
2a57095490f3d5a08fa7951a71333b12
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Scanner; import java.util.StringTokenizer; import java.util.*; import java.io.*; public class codeforces { static class Student{ int x,y; Student(int x,int y){...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
1affe848581d58649f3c10b502ea2f5c
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.*; import java.util.*; import java.math.BigInteger; public class Main { void solve() { String a = in.next(); String b = in.next(); int cnt = 0; for (int i = 0; i < a.length(); ++i) { if (a.charAt(i) == '1') ++cnt; } if (cnt % 2 == 1) ++cnt; for (int i = 0; i < b.length(); ++i) { i...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output
PASSED
663f1ffb42b55d893c559e15c5600b7a
train_001.jsonl
1366385400
You are fishing with polar bears Alice and Bob. While waiting for the fish to bite, the polar bears get bored. They come up with a game. First Alice and Bob each writes a 01-string (strings that only contain character "0" and "1") a and b. Then you try to turn a into b using two types of operations: Write parity(a) to...
256 megabytes
import java.io.FileInputStream; import java.io.FileNotFoundException; import java.util.Scanner; public class Main{ public static void main(String[] args) throws FileNotFoundException { Scanner scanner =new Scanner(System.in); // Scanner scanner =new Scanner(new FileInputStream("src/in.txt")); ...
Java
["01011\n0110", "0011\n1110"]
1 second
["YES", "NO"]
NoteIn the first sample, the steps are as follows: 01011 → 1011 → 011 → 0110
Java 8
standard input
[ "constructive algorithms" ]
cf86add6c92fa8a72b8e23efbdb38613
The first line contains the string a and the second line contains the string b (1 ≀ |a|, |b| ≀ 1000). Both strings contain only the characters "0" and "1". Here |x| denotes the length of the string x.
1,700
Print "YES" (without quotes) if it is possible to turn a into b, and "NO" (without quotes) otherwise.
standard output