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全部文章（共211篇）

【CF 1087A】Right-Left Cipher

A. Right-Left Cipher Polycarp loves ciphers. He has invented his own cipher called Right-Left. Right-Left cipher is ...

Codeforce

2018-12-26

0 483

【HDU 1161】Eddy's mistakes

原题地址：http://acm.hdu.edu.cn/showproblem.php?pid=1161 简单字符串处理，使用gets()函数或getlin()函数读取串加以判断即可代码： #include<iostream> #include<algorithm> ...

HDU

2018-12-25

0 657

【CF 1092B】Teams Forming

B. Teams Forming There are nn students in a university. The number of students is even. The ii-th student has program...

2018-12-24

0 458

【HDU 2018】母牛的故事

原题地址：http://acm.hdu.edu.cn/showproblem.php?pid=2018 通过推算可以得知牛的数目增长规律是斐波那契数列，且 f[n]=f[n-1]+f[n-3]; 用递归写就是： #include<iostream> #include<...

HDU

2018-12-21

0 517

【CF 1092A】Uniform String

A. Uniform String You are given two integers nn and kk. Your task is to construct such a string ss of length nn...

Codeforce

2018-12-19

0 405

【HDU 1061】Rightmost Digit 快速幂

题目地址：http://acm.hdu.edu.cn/showproblem.php?pid=1061 题意：t组样例，输入n，输出n^n的个位是多少。代码： #include<iostream> #include<algorithm> #include<...

HDU 快速幂

2018-12-17

0 561

【CF 1084A】The Fair Nut and Elevator

A. The Fair Nut and Elevator The Fair Nut lives in nn story house. aiai people live on the ii-th floor of the house. E...

Codeforce

2018-12-12

0 679

【CF 1090M】The Pleasant Walk

M. The Pleasant Walk There are nn houses along the road where Anya lives, each one is painted in one of kk possible ...

Codeforce

2018-12-10

0 671

【CF 1090A】Company Merging

A. Company Merging A conglomerate consists of nn companies. To make managing easier, their owners have decided to me...

Codeforce

2018-12-10

0 779

【CF1088B】Ehab and subtraction

B. Ehab and subtraction You're given an array aa. You should repeat the following operation kk times: find the minimu...

2018-12-09

0 523