题目链接：BZOJ – 3585   题目分析 区间mex，即区间中没有出现的最小自然数。 那么我们使用一种莫队+分块的做法，使用莫队维护当前区间的每个数字的出现次数。 然后求mex用分块，将权值分…

Ignatius and the Princess IV Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/show…

C. Little Artem and Random Variable 题目连接： http://www.codeforces.com/contest/668/problem/C Description Little A…

A. Amity Assessment 题目连接： http://www.codeforces.com/contest/655/problem/A Description Bessie the cow and her b…

炮兵阵地 Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 14519   Accepted:&n…

Problem L. Stock Trading Robot 题目连接： http://www.codeforces.com/gym/100253 Description CyberTrader is an all-in…

题目链接：http://poj.org/problem?id=2955 Brackets Time Limit: 1000MS   Memory Limit: 65536K Total Su…

Clarke and five-pointed star Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.ph…

The Shortest Path in Nya Graph Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 327…

D. Factory Repairs 题目连接： http://www.codeforces.com/contest/635/problem/D Description A factory produces thimbl…

An Easy Problem?! Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7837  …

Tautology Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6088   Accepted: 2315 Descrip…