B. Chris and Magic Square 题目连接： http://www.codeforces.com/contest/711/problem/B Description ZS the Coder and C…

B. Mischievous Mess Makers 题目连接： http://www.codeforces.com/contest/655/problem/B Description It is a balmy spr…

How Many Triangles 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5784 Description Alice has n points in two-…

Partial Tree Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5534 Descr…

K.Bro Sorting Time Limit: 2000/2000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others) Total Submiss…

D. Magic Breeding link http://codeforces.com/contest/878/problem/D description Nikita and Sasha play a compute…

Cow Sorting Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 4753   Accepted: 1734 Descr…

点球大战(penalty) Time Limit: 20 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/problem/show/2…

Robotic Sort Time Limit: 6000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/O…

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5113 题目大意：在一个N * M的棋盘里涂色，要求i颜色要涂ci次。ci求和为N * M. 关键思想：从第一个点开始着色，…

The Water Bowls Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 3340   Accepted: 1298 D…

Machine 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5670 Description There is a machine with m(2≤m≤30) col…