King’s Sanctuary Time Limit: 20 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/probl…

Sum Of Gcd 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=4676 Description Given you a sequence of number a1,…

A – A Curious Matt Time Limit:2000MS Memory Limit:512000KB 64bit IO Format:%I64d & %I64u Submit Stat…

A. Interview 题目连接： http://www.codeforces.com/contest/631/problem/A Description Blake is a CEO of a large compa…

题目链接：BZOJ – 3995   题目分析 这道题..是我悲伤的回忆.. 线段树维护连通性，与 BZOJ-1018 类似，然而我省选之前并没有做过  1018，即使它在 Problem…

Sequence II Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Ot…

Euclid’s Game Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K …

Data Handler Time Limit: 20000/10000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java…

2818: Gcd 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=2818 Description 给定整数N，求1<=x,y<=N且Gcd(x,…

吴队长征婚 Time Limit: 20 Sec  Memory Limit: 256 MB 题目连接 http://acm.uestc.edu.cn/#/contest/show/61 Descri…

D. Swaps in Permutation 题目连接： http://www.codeforces.com/contest/691/problem/D Description You are given a perm…

D. Mysterious Present 题目连接： http://www.codeforces.com/contest/4/problem/D Description Peter decided to wish ha…