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<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Takahashi will take part in an eating contest. Teams of N members will compete in this contest, and Takahashi's team consists of N players numbered 1 through N from youngest to oldest. The consumption coef... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to check if a course schedule can be completed given the total number of courses and a list of prerequisites. A course schedule can be completed if there is no cycle in the graph formed by... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a Python function to calculate the Greatest Common Factor (GCF) of two numbers. The function should take two arguments and return the GCF. If any of the numbers is zero, the function should return 0.... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given an integer `n`, return the `nth` ugly number.
Ugly number is a positive number whose prime factors only include `2`, `3`, and/or `5`.
Example 1:
Input: n = 10
Output: 12
Explanation: [1, 2, 3, 4, ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given a string s and m queries. For each query delete the K-th occurence of a character x.
Input:
The first line contains the string s followed by an integer m.
The string consists of lowercase letters.
Af... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Alice and Bob play the following game :
There are N piles of stones with Si stones in the ith pile. Piles are numbered from 1 to N. Alice and Bob play alternately, with Alice starting. In a turn, the pl... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Fox Ciel has a board with n rows and n columns, there is one integer in each cell.
It's known that n is an odd number, so let's introduce <image>. Fox Ciel can do the following operation many times: she c... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a python function to implement a simple calculator that performs basic arithmetic operations (addition, subtraction, multiplication, division).
Solve the problem starting with the provided function ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Dima overslept the alarm clock, which was supposed to raise him to school.
Dima wonders if he will have time to come to the first lesson. To do this, he needs to know the minimum time it will take him to ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
In computing, there are two primary byte order formats: big-endian and little-endian. Big-endian is used primarily for networking (e.g., IP addresses are transmitted in big-endian) whereas little-endian is... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the sum of all items in a given dictionary. The dictionary's values are integers.
Solve the problem starting with the provided function header.
Function header:
```
class Solutio... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
After battling Shikamaru, Tayuya decided that her flute is too predictable, and replaced it with a guitar. The guitar has 6 strings and an infinite number of frets numbered from 1. Fretting the fret number... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Now Fox Ciel becomes a commander of Tree Land. Tree Land, like its name said, has n cities connected by n - 1 undirected roads, and for any two cities there always exists a path between them.
Fox Ciel nee... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given the head of a linked list, and an integer k. Return the head of the linked list after swapping the values of the kth node from the beginning and the kth node from the end (the list is 1-index... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given a sequence s consisting of n digits from 1 to 9.
You have to divide it into at least two segments (segment β is a consecutive sequence of elements) (in other words, you have to place separat... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function that calculates the number of distinct binary search trees (BSTs) that can be created with a given number of nodes. Each node in the BST must have a value from 1 to n, and no two nodes can... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You can not just take the file and send it. When Polycarp trying to send a file in the social network "Codehorses", he encountered an unexpected problem. If the name of the file contains three or more "x" ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
There is a sale in a supermarket, there will be a `discount` every `n` customer.
There are some products in the supermarket where the id of the `i-th` product is `products[i]` and the price per unit of th... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given a number, return a string with dash``` '-' ```marks before and after each odd integer, but do not begin or end the string with a dash mark.
Ex:
Write Python code to solve the problem. Please place... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Masha lives in a multi-storey building, where floors are numbered with positive integers. Two floors are called adjacent if their numbers differ by one. Masha decided to visit Egor. Masha lives on the floo... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Anna Hazare is a well known social activist in India.
On 5th April, 2011 he started "Lokpal Bill movement".
Chef is very excited about this movement. He is thinking of contributing to it. He gathers his ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given a (0-indexed) array of positive integers candiesCount where candiesCount[i] represents the number of candies of theΒ ithΒ type you have. You are also given a 2D array queries where queries[i] =... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each child i has a greed factor g[i], which is the minimum size of a cookie... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a Python function that takes a list of integers as an input and returns the maximum product that can be obtained by multiplying any three integers from the list. Consider that the list might contain ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
There are n balls. They are arranged in a row. Each ball has a color (for convenience an integer) and an integer value. The color of the i-th ball is ci and the value of the i-th ball is vi.
Squirrel Liss... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
C - Iyasugigappa
Problem Statement
Three animals Frog, Kappa (Water Imp) and Weasel are playing a card game.
In this game, players make use of three kinds of items: a guillotine, twelve noble cards and ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers w... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function that finds the maximum sum of a submatrix in a given 2D matrix such that the sum is no larger than a given value k.
Solve the problem starting with the provided function header.
Function... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the number of ways to traverse a 2D grid from the top left corner to the bottom right corner, moving only right or down.
Solve the problem starting with the provided function head... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
The on-board computer on Polycarp's car measured that the car speed at the beginning of some section of the path equals v1 meters per second, and in the end it is v2 meters per second. We know that this se... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the smallest subarray length with sum greater than or equal to a given value.
Solve the problem starting with the provided function header.
Function header:
```
class Solution:
... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given an array of integers arr and an integer target. You have to find two non-overlapping sub-arrays of arr each with a sum equal target. There can be multiple answers so you have to find an answe... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a python function to find the largest subarray with equal number of 0's and 1's in a binary array.
Solve the problem starting with the provided function header.
Function header:
```
class Solution:... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
I am a pipe tie craftsman. As long as you get the joints and pipes that connect the pipes, you can connect any pipe. Every day, my master gives me pipes and joints, which I connect and give to my master. B... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the maximum profit that can be achieved from at most two transactions on a given list of stock prices. A transaction is defined as buying and then selling one share of the stock. N... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Linear Kingdom has exactly one tram line. It has n stops, numbered from 1 to n in the order of tram's movement. At the i-th stop ai passengers exit the tram, while bi passengers enter it. The tram is empty... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Mike takes part in olympiads in informatics. You think he is a rookie? Wrong! He is an experienced and well-prepared competitor! He participated in many important contests and won some of them. Now his lev... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
In this problem, you are given list of N numbers from 1 to N. They may be written in any order. You are to create a special list out of the given list. It should be such that the position of integer i is t... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given two sorted arrays `nums1` and `nums2` of size `m` and `n` respectively, return the median of the two sorted arrays.
Example 1:
Input: nums1 = [1,3], nums2 = [2]
Output: 2.00000
Explanation: merged ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given an undirected weighted graph, consisting of $n$ vertices and $m$ edges.
Some queries happen with this graph:
- Delete an existing edge from the graph.
- Add a non-existing edge to the graph... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Recently, Masha was presented with a chessboard with a height of n and a width of m.
The rows on the chessboard are numbered from 1 to n from bottom to top. The columns are numbered from 1 to m from left ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Xenia the horse breeder has n (n > 1) horses that stand in a row. Each horse has its own unique number. Initially, the i-th left horse has number i. That is, the sequence of numbers of horses in a row look... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a python function to check if the given string is a valid URL or not. The function should return True if the URL is valid and False if it is not. A URL is considered valid if it starts with 'http://'... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
A "graph" consists of "nodes", also known as "vertices". Nodes may or may not be connected with one another.
In our definition below the node "A0" is connected with the node "A3", but "A0" is not connecte... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to convert a decimal number to a ternary string, where the digits are represented as '1', '2', and '4'.
Solve the problem starting with the provided function header.
Function header:
```... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
There is the faculty of Computer Science in Berland. In the social net "TheContact!" for each course of this faculty there is the special group whose name equals the year of university entrance of correspo... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are provided with a set of numbers which is infinitely large. The numbers in this set are of the form :-
{ 2^2^n + 1 } where n is a positive integer. Now these set of numbers are kept in sorted order.
... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the roots of a quadratic equation, given the coefficients a, b and c, but ensure that the function handles complex roots and provides output in a specific format: [real1 + imaginar... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a python function to find the minimum number of operations needed to convert a number n to 1. Operations are as follows:
1. If n is even, divide it by 2.
2. If n is odd, either increment or decrement... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
There are N pieces of source code. The characteristics of the i-th code is represented by M integers A_{i1}, A_{i2}, ..., A_{iM}.
Additionally, you are given integers B_1, B_2, ..., B_M and C.
The i-th c... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Xavier challenges one of his friend to perform some crazy string functions by giving him some words and each word basically denotes a type of string function which his friend has to perform.
WORDS WITH TH... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
In India, there are many railway stations. There's no way you could avoid one. So, the protagonist in our problem is given N railway stations and M direct two way connections for these railway stations. Le... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the number of arithmetic slices in a given list. An arithmetic slice is a subarray with at least three elements where the difference between consecutive elements is constant.
Solv... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function that finds the length of the shortest subarray that, if sorted, results in the entire array being sorted. If the array is already sorted, return 0.
Solve the problem starting with the pro... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find the maximum number of pairs in the array that have a sum equal to k. Each input value can be used only once in a pair.
Solve the problem starting with the provided function header... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Its NU-Tech'15 and participants are pouring in large numbers. Its the first day of the fest and everybody has gathered around the registration desks but are confused on receiving a set of very large number... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a python function to check whether the given string is a valid IPv4 or IPv6 address or not. The function should return "IPv4" if the address is a valid IPv4 address, "IPv6" if it is a valid IPv6 addr... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to find how many times a given number appears in a sorted array.
Solve the problem starting with the provided function header.
Function header:
```
class Solution:
def find_num_in_sorte... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Vectors have their directions and two vectors make an angle between them. Given a set of three-dimensional vectors, your task is to find the pair among them that makes the smallest angle.
Input
The input ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given an integer rowIndex, return the rowIndexth (0-indexed) row of the Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers directly above it as shown:
Write Python code to ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Gerald has n younger brothers and their number happens to be even. One day he bought n2 candy bags. One bag has one candy, one bag has two candies, one bag has three candies and so on. In fact, for each in... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Input
The first line of the input contains a single integer N (1 β€ N β€ 24). The next N lines contain 5 space-separated integers each. The first three integers will be between 0 and 2, inclusive. The last ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Unknown pathogen
Dr. Hideyo discovered an unknown pathogen. This pathogen has a chain structure in which two types of bacteria called Akdamakin and Zendamakin are linked in a straight line. We want to det... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
The only difference between easy and hard versions is the number of elements in the array.
You are given an array $a$ consisting of $n$ integers. In one move you can choose any $a_i$ and divide it by $2$ ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
=====Function Descriptions=====
group()
A group() expression returns one or more subgroups of the match.
Code
>>> import re
>>> m = re.match(r'(\w+)@(\w+)\.(\w+)','username@hackerrank.com')
>>> m.group(0... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
A permutation of length n is an array containing each integer from 1 to n exactly once. For example, q = [4, 5, 1, 2, 3] is a permutation. For the permutation q the square of permutation is the permutation... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
A boy named Vasya has taken part in an Olympiad. His teacher knows that in total Vasya got at least x points for both tours of the Olympiad. The teacher has the results of the first and the second tour of ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
After Fox Ciel won an onsite round of a programming contest, she took a bus to return to her castle. The fee of the bus was 220 yen. She met Rabbit Hanako in the bus. They decided to play the following gam... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given n positive integers a1, a2, ..., an.
For every ai you need to find a positive integer ki such that the decimal notation of 2ki contains the decimal notation of ai as a substring among its la... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Logical quantifiers are very useful tools for expressing claims about a set. For this problem, let's focus on the set of real numbers specifically. The set of real numbers includes zero and negatives. Ther... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given a string s.
Among the different substrings of s, print the K-th lexicographically smallest one.
A substring of s is a string obtained by taking out a non-empty contiguous part in s.
For examp... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
The competitors of Bubble Cup X gathered after the competition and discussed what is the best way to get to know the host country and its cities.
After exploring the map of Serbia for a while, the competi... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
As we know, DZY loves playing games. One day DZY decided to play with a n Γ m matrix. To be more precise, he decided to modify the matrix with exactly k operations.
Each modification is one of the followi... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given an integer array `nums`, return _all the different possible non-decreasing subsequences of the given array with at least two elements_. You may return the answer in **any order**.
**Example 1:**
**... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Polycarp has three sisters: Alice, Barbara, and Cerene. They're collecting coins. Currently, Alice has a coins, Barbara has b coins and Cerene has c coins. Recently Polycarp has returned from the trip arou... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
=====Problem Statement=====
Here is a sample line of code that can be executed in Python:
print("Hello, World!")
You can just as easily store a string as a variable and then print it to stdout:
my_string ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Sometimes people repeat letters to represent extra feeling. For example: In these strings like "heeellooo", we have groups of adjacent letters that are all the same: "h", "eee", "ll", "ooo". You are given ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given a string `s` consisting of lowercase Latin letters from 'a' to 'z' and a list of constraints, where each constraint specifies a position in the string and a set of allowed characters for that positio... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
There are infinite number of cities in Geekland numbered from 1 onward. Some of them are connected via bidirectional railway tracks.
There are railway tracks 1-2, 3-4, 5-6, 7-8, and so on.
There are railwa... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Given the first 2 terms A1 and A2 of an Arithmetic Series.Find the N^{th} term of the series.
Example 1:
Input:
A1=2
A2=3
N=4
Output:
5
Explanation:
The series is 2,3,4,5,6....
Thus,4th term is 5.
Example... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Little Elephant loves magic squares very much.
A magic square is a 3 Γ 3 table, each cell contains some positive integer. At that the sums of integers in all rows, columns and diagonals of the table are e... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
β I... I survived.
β Welcome home, Chtholly.
β I kept my promise...
β I made it... I really made it!
After several days of fighting, Chtholly Nota Seniorious miraculously returned from the fierce battl... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Golu wants to find out the sum of Lucky numbers.Lucky numbers are those numbers which contain exactly two set bits.This task is very diffcult for him.So Help Golu to find sum of those numbers which exactly... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a function to convert a given column number to its equivalent column title in an Excel sheet.
Solve the problem starting with the provided function header.
Function header:
```
class Solution:
def... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
The 2050 volunteers are organizing the "Run! Chase the Rising Sun" activity. Starting on Apr 25 at 7:30 am, runners will complete the 6km trail around the Yunqi town.
There are n+1 checkpoints on the trai... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
An art exhibition will be held in JOI. At the art exhibition, various works of art from all over the country will be exhibited.
N works of art were collected as candidates for the works of art to be exhib... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Farmer Laura has a barn. In her barn, she has two cows, Monica and Lydia. Monica and Lydia love food, and they are quite lazy. For most of the day they chill out in the barn, waiting for Laura to come serv... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
This is an interactive problem.
John and his imaginary friend play a game. There are n lamps arranged in a circle. Lamps are numbered 1 through n in clockwise order, that is, lamps i and i + 1 are adjacen... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Use Python to create a simple GUI for a calculator.
Write Python code to solve the problem. Please place the solution code in the following format:
```python
# Your solution code here
```<|im_end|>
<|im_s... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given two arithmetic progressions: a1k + b1 and a2l + b2. Find the number of integers x such that L β€ x β€ R and x = a1k' + b1 = a2l' + b2, for some integers k', l' β₯ 0.
Input
The only line contain... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given a bracket sequence $s$ of length $n$, where $n$ is even (divisible by two). The string $s$ consists of $\frac{n}{2}$ opening brackets '(' and $\frac{n}{2}$ closing brackets ')'.
In one move,... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
This is an interactive problem. Remember to flush your output while communicating with the testing program. You may use fflush(stdout) in C++, system.out.flush() in Java, stdout.flush() in Python or flush(... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Write a python function to determine if there exists a Hamiltonian path in the given directed acyclic graph (DAG).
Solve the problem starting with the provided function header.
Function header:
```
class... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
You are given an array a consisting of n integers numbered from 1 to n.
Let's define the k-amazing number of the array as the minimum number that occurs in all of the subsegments of the array having lengt... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
The Government of Mars is not only interested in optimizing space flights, but also wants to improve the road system of the planet.
One of the most important highways of Mars connects Olymp City and Kstol... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Taro is going to play a card game. However, now he has only n cards, even though there should be 52 cards (he has no Jokers).
The 52 cards include 13 ranks of each of the four suits: spade, heart, club an... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Pashmak's homework is a problem about graphs. Although he always tries to do his homework completely, he can't solve this problem. As you know, he's really weak at graph theory; so try to help him in solvi... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
A web developer needs to know how to design a web page's size. So, given a specific rectangular web page's area, your job by now is to design a rectangular web page, whose length L and width W satisfy the ... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
Many schoolchildren look for a job for the summer, and one day, when Gerald was still a schoolboy, he also decided to work in the summer. But as Gerald was quite an unusual schoolboy, he found quite unusua... |
<|im_start|>system
You are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>
<|im_start|>user
The range search problem consists of a set of attributed records S to determine which records from S intersect with a given range.
For n points on a plane, report a set of points which are within in a giv... |