C. Famil Door and Brackets 题目连接： http://www.codeforces.com/contest/629/problem/C Description As Famil Door’s b…

A. Letters Cyclic Shift 题目连接： http://www.codeforces.com/contest/708/problem/A Description You are given a non-…

D. DZY Loves Strings 题目连接： http://codeforces.com/contest/444/problem/D Description DZY loves strings, and he e…

E. Dasha and Puzzle 题目连接： http://codeforces.com/contest/761/problem/E Description Dasha decided to have a rest…

B. Bear and Displayed Friends 题目连接： http://www.codeforces.com/contest/658/problem/B Description Limak is a lit…

A – Buying A House 题意：给你n个房间，妹子住在第m个房间，你有k块钱，你想买一个离妹子最近的房间。其中相邻的房间之间距离为10，a[i]=0表示已经被别人买了。 题解：扫一遍更新答案即可。…

A. Gabriel and Caterpillar 题目连接： http://www.codeforces.com/contest/652/problem/A Description The 9-th grade st…

C. Promocodes with Mistakes 题目连接： http://www.codeforces.com/contest/637/problem/C Description During a New Yea…

A. Increasing Sequence 题目连接： http://www.codeforces.com/contest/11/problem/A Description A sequence a0, a1, …

C. Zero-One 题目连接： http://codeforces.com/contest/135/problem/C Description Little Petya very much likes playing…

A. Winner 题目连接： http://www.codeforces.com/contest/2/problem/A Description The winner of the card game popular …

D. Theseus and labyrinth 题目连接： http://www.codeforces.com/contest/676/problem/D Description Theseus has just ar…