A. Reberland Linguistics 题目连接： http://www.codeforces.com/contest/666/problem/A Description First-rate speciali…

B. Obsession with Robots 题目连接： http://www.codeforces.com/contest/8/problem/B Description The whole world got o…

C. Journey 题目连接： http://codeforces.com/contest/721/problem/C Description Recently Irina arrived to one of the …

D. Babaei and Birthday Cake 题目连接： http://www.codeforces.com/contest/629/problem/D Description As you know, eve…

A. Co-prime Array 题目连接： http://www.codeforces.com/contest/660/problem/A Description You are given an array of …

D. Dividing Kingdom II 题目连接： http://www.codeforces.com/contest/687/problem/D Description Long time ago, there …

C. Bear and Colors 题目连接： http://www.codeforces.com/contest/673/problem/C Description Bear Limak has n colored …

F. Polycarp and Hay 题目连接： http://www.codeforces.com/contest/659/problem/F Description The farmer Polycarp has …

C. Necklace 题目连接： http://www.codeforces.com/contest/613/problem/C Description Ivan wants to make a necklace as…

C. Ancient Berland Circus 题目连接： http://www.codeforces.com/contest/1/problem/C Description Nowadays all circuse…

A. Da Vinci Powers 题目连接： http://www.codeforces.com/contest/656/problem/A Description The input contains a sing…

B. Jumping Jack 题目连接： http://www.codeforces.com/contest/11/problem/B Description Jack is working on his jumpin…