秋实大哥去打工 Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/contest/show/59 Descr…

A. Vasya and Football 题目连接： http://codeforces.com/contest/493/problem/A Description Vasya has started watching…

Common Subsequence Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 25178 Accepted: 9726 Description…

C – 秋实大哥与快餐店 Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/contest/sh…

Wine Trading in Gergovia Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 2765   Accepte…

The Embarrassed Cryptographer Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 9291   Ac…

两道经典的同类型拓扑排序+DFS问题，第二题较第一题简单，其中的难点在于字典序输出+建立单向无环图，另外理解题意是最难的难点，没有之一…       POJ1128(ZOJ108…

  Problem E Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Ja…

B. Running Student 题目连接： http://www.codeforces.com/contest/9/problem/B Description And again a misfortune fell…

G. You’re a Professional 题目连接： http://www.codeforces.com/contest/656/problem/G Description A simple reco…

A. Nicholas and Permutation 题目连接： http://www.codeforces.com/contest/676/problem/A Description Nicholas has an …

题目链接：BZOJ – 2594   题目分析 这道题如果没有删边的操作，那么就是 NOIP2013 货车运输，求两点之间的一条路径，使得边权最大的边的边权尽量小。 那么，这条路径就是最小生成树上这…