左眼皮跳跳

Language: Default 食物链 Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 42433   Accepted: 12376 Description 动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。

Problem Description Some of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Because there is no other way to open the doors, th

Language: Default Find them, Catch them Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 32057   Accepted: 9882 Description The police offic

Problem Description Background Professor Hopper is researching the sexual behavior of a rare species of bugs. He assumes that they feature two different genders and that they only interact with bug

最小生成树的唯一性，POJ 1679 The Unique MST

简单并査集，废话不多说 题目链接 ：http://acm.hdu.edu.cn/showproblem.php?pid=1232

HDU 1325 Is It A Tree? 并査集

HDU 3038 How Many Answers Are Wrong 并査集 递归的理解

C. Glass Carving time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Leonid wants to become a glass carver (the