E. Another Sith Tournament 题目连接： http://www.codeforces.com/contest/678/problem/E Description The rules of Sith…

C. Memory and De-Evolution 题目连接： http://codeforces.com/contest/712/problem/C Description Memory is now interes…

D. Remainders Game 题目连接： http://www.codeforces.com/contest/688/problem/D Description Today Pari and Arya are p…

F. The Sum of the k-th Powers 题目连接： http://www.codeforces.com/contest/622/problem/F Description There are well…

B. s-palindrome 题目连接： http://www.codeforces.com/contest/691/problem/B Description Let’s call a string &#…

C. Line 题目连接： http://www.codeforces.com/contest/7/problem/C Description A line on the plane is described by an…

D. Nested Segments 题目连接： http://www.codeforces.com/contest/652/problem/D Description You are given n segments …

B. Teams Formation link http://codeforces.com/contest/878/problem/B describe This time the Berland Team Olympi…

C. Drazil and Park 题目连接： http://codeforces.com/contest/516/problem/C Description Drazil is a monkey. He lives …

A. Meeting of Old Friends 题目连接： http://codeforces.com/contest/714/problem/A Description Today an outstanding e…

Problem C. Equivalent Cards 题目连接： http://www.codeforces.com/gym/100253 Description Jane is playing a game with…

B. Little Artem and Grasshopper 题目连接： http://www.codeforces.com/contest/669/problem/B Description Little Artem…