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全部文章（共613篇）

A. Winner

链接：https://codeforces.com/contest/2/problem/A The winner of the card game popular in Berland "Berlogging" is determined according to the fo...

2020-09-15

0 435

C. Two Arrays

链接：https://codeforces.com/contest/1288/problem/C You are given two integers nn and mm. Calculate the number of pairs of arrays (a,b)(a,b) such that: ...

2020-09-15

0 592

B. Ciel and Flowers

链接：https://codeforces.com/problemset/problem/322/B Fox Ciel has some flowers: r red flowers, g green flowers and b blue flowers. She wants to use the...

2020-09-15

0 415

A. k-Multiple Free Set

链接：https://codeforces.com/contest/274/problem/A A k-multiple free set is a set of integers where there is no pair of integers where one is equal to a...

2020-09-15

0 508

B. Taxi

链接：https://codeforces.com/problemset/problem/158/B After the lessons n groups of schoolchildren went outside and decided to visit Polycarpus to celeb...

2020-09-15

0 369

D. Vasya and Chess

链接：https://codeforces.com/problemset/problem/493/D Vasya decided to learn to play chess. Classic chess doesn't seem interesting to him, so he plays h...

2020-09-15

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A. Next Test

链接：https://codeforces.com/problemset/problem/27/A «Polygon» is a system which allows to create programming tasks in a simple and professional way. Wh...

2020-09-15

0 428

A. Mafia

链接：https://codeforces.com/problemset/problem/348/A One day n friends gathered together to play "Mafia". During each round of the game some ...

2020-09-15

0 340

C. Number of Ways

链接：https://codeforces.com/contest/466/problem/C You've got array a[1], a[2], ..., a[n], consisting of n integers. Count the number of ways to split a...

2020-09-15

0 477

D. Zero Quantity Maximization

链接：https://codeforces.com/problemset/problem/1133/D You are given two arrays aa and bb, each contains nn integers. You want to create a new array cc...

2020-09-15

0 685