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

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…

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

Circles Game 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5299 Description There are n circles on a infinit…

Unknown Treasure Time Limit: 1 Sec   Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=…

Four Inages Strategy Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.…

Caocao’s Bridges Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768…

Reincarnation Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java…