Snacks 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5692 Description 百度科技园内有n个零食机，零食机之间通过n−1条路相互连通。每个零食机都有一…

Print Article Time Limit: 9000/3000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java…

Easier Done Than Said? Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768…

D. Two Paths 题目连接： http://codeforces.com/contest/14/problem/D Description As you know, Bob’s brother liv…

B. Recover the String 题目连接： http://www.codeforces.com/contest/708/problem/B Description For each string s cons…

http://poj.org/problem?id=1222 http://poj.org/problem?id=1830 http://poj.org/problem?id=1681 http://poj.org/pr…

Help Jimmy Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6593 Accepted: 2066 Description “H…

遮挡判断(shadow) Time Limit: 20 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/problem/show/26…

ZYB’s Prime Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5594 …

Triangle Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 7625   Accepted…

求单源最短路到其余各点，然后返回源点的总最短路长，以构造邻接表的方法不同分为两种解法。       POJ1511(ZOJ2008)-Invitation Cards 　　改变构造邻接表的方…

3894: 文理分科 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=3894 Description 文理分科是一件很纠结的事情！（虽然看到这个题目的人肯定都…