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全部文章 / 未归档（共27篇）

Codeforces Round #556 (Div. 2) C. Prefix Sum Primes

We're giving away nice huge bags containing number tiles! A bag we want to present to you contains n tiles. Each of them has a single number written o...

2019-04-30

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Codeforces Round #554 (Div. 2) B - Neko Performs Cat Furrier Transform

output standard output Cat Furrier Transform is a popular algorithm among cat programmers to create longcats. As one of the greatest cat programmers...

2019-04-25

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2019湖南多校第5场网络同步赛B

Little Barney just got a new toy cube set from his parents. His set contains n identical cubes. Barney immediately started building various objects wi...

2019-04-21

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2019湖南多校第5场网络同步赛A

Description Anna loves her cell phone and becomes very sad when its battery level drops to 0 percent. In normal mode, Anna's phone battery drains at...

2019-04-21

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C. Gourmet Cat

time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarp has a cat and his cat is...

2019-04-17

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xtu—1298（二分法）

今天总算开始明白递归到底怎么用,然后做这个题的时候正常打表超时了，就试着用二分去做，没想到做出来了，very happy ^_^, 其实我之前还不会用也没用过二分 Position 题目描述将1 开始的自然数按三角形排列，请问n 在第几行第几列？ 1247⋯ 358 6...

2018-12-17

0 566

stu-1261

Duplicate Elements 题目描述给你n 个数，祛除其中的重复的数，并保持第一次出现的数原有的相对顺序。比如{3,2,2,3,1} ，那么祛除重复元素以后为{3,2,1} 。输入第一行是一个整数K ,K 表示...

2018-12-14

0 591