24 Puzzle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65768/65768 K (Java/Othe…

2002: [Hnoi2010]Bounce 弹飞绵羊 Time Limit: 1 Sec   Memory Limit: 256 MB 题目连接 http://www.lydsy.com/JudgeOnlin…

Necklace/center> 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5727 Description SJX has 2*N magic gems. N…

Tree Time Limit: 1 Sec   Memory Limit: 256 MB 题目连接 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=…

  Sum Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/O…

Count the string Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Ja…

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1048 题目大意：对一串字符串进行加密：每个英文字母变为字母表此后第五位，其他字符无变化。给出密码，要求翻译为原串。 关键思…

E. Interesting Graph and Apples 题目连接： http://www.codeforces.com/contest/9/problem/E Description Hexadecimal li…

Crashing Robots Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 5453   Accepted: 2382 D…

　　两道Prim解法范例题型，简单的裸Prim，且两题相较以边为重心的Kruskal解法而言更适合以点为重心扩展的Prim解法。       ZOJ1586-QS Network  …

D – 秋实大哥与战争 Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/contest/sho…

A water problem 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5832 Description Two planets named Haha and Xi…