Answers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Othe…

Problem C: LCR 题目连接： http://codeforces.com/gym/100646/attachments Description LCR is a simple game for three o…

B. Pyramid of Glasses 题目连接： http://www.codeforces.com/contest/676/problem/B Description Mary has just graduate…

B. z-sort 题目连接： http://www.codeforces.com/contest/652/problem/B Description A student of z-school found a kind…

4337: BJOI2015 树的同构 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4337 Description 树是一种很常见的数据结构。 我们把N个…

King’s Pilots 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5644 Description The military parade will …

D – Chloe and pleasant prizes 链接 http://codeforces.com/contest/743/problem/D 题面 Generous sponsors of the…

E. Dreamoon and Strings 题目连接： http://www.codeforces.com/contest/476/problem/E Description Dreamoon has a strin…

  Subsequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (…

题目链接：http://poj.org/problem?id=2723   【题目大意】 有2n把钥匙，分成2组，给你每组的钥匙信息，并且每组的钥匙只能用一个。 有m个门，每个门有2个锁，只要打开一个锁这个门就…

取石子游戏 Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 40058   Accepted: 13520 Descripti…

A Short problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Jav…