左眼皮跳跳

Language:Default食物链Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 42433 Accepted: 12376Description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 DescriptionSome 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:DefaultFind them, Catch themTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 32057 Accepted: 9882DescriptionThe police offic

Problem DescriptionBackground 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 Carvingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLeonid wants to become a glass carver (the