E. Sasha and Array 题目连接： http://codeforces.com/contest/719/problem/E Description Sasha has an array of integer…

B. DZY Loves Modification 题目连接： http://www.codeforces.com/contest/446/problem/B Description As we know, DZY lo…

2705: [SDOI2012]Longge的问题 Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://www.lydsy.com/JudgeOnline/proble…

Tricks Device 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5294 Description Innocent Wu follows Dumb Zhang …

Warm up 2 Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Othe…

F(N) Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)To…

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1007 题目大意：N个点，求最近一对点的距离的一半。 关键思想：最傻瓜式的枚举所有点对的距离找最短 O(n^2)，会TLE。…

B. Mike and Shortcuts 题目连接： http://www.codeforces.com/contest/689/problem/B Description Recently, Mike was ver…

A. Recycling Bottles 题目连接： http://www.codeforces.com/contest/671/problem/A Description It was recycling day in…

A. Watermelon 题目连接： http://www.codeforces.com/contest/4/problem/A Description One hot summer day Pete and his …

B. New Skateboard 题目连接： http://www.codeforces.com/contest/628/problem/A Description Max wants to buy a new ska…

1029: [JSOI2007]建筑抢修 Time Limit: 4 Sec  Memory Limit: 162 MB 题目连接 http://www.lydsy.com/JudgeOnline/p…