sortmin的博客

C. Registration systemTime Limit: 20 SecMemory Limit: 256 MB题目连接http://codeforces.com/problemset/problem/4/CDescriptionA new e-mail service "Berlandesk" is going to be opened in Berland in the near fu...

JudgingTime Limit: 20 Sec  Memory Limit: 256 MB题目连接http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=114147DescriptionThe NWERC organisers have decided that they want to improve the automati...

题目链接： http://acm.hdu.edu.cn/showproblem.php?pid=2609 题意： 给定n个01组成的字符串，每个字符串是一个环状的结构，求可以经过循环旋转，最后不同的串有多少个。 题解： 求出每个字符串的最小表示，然后求hash值，set去重即可。 AC代码： #include<iostream> #include <algorith...