C. Vanya and Label 题目连接： http://www.codeforces.com/contest/677/problem/C Description While walking down the st…

C. Bear and Up-Down 题目连接： http://www.codeforces.com/contest/653/problem/C Description The life goes up and dow…

A. Voting for Photos 题目连接： http://www.codeforces.com/contest/637/problem/A Description After celebrating the m…

E. Out of Controls 题目连接： http://www.codeforces.com/contest/656/problem/E Description You are given a complete …

C. Ray Tracing 题目连接： http://codeforces.com/contest/724/problem/C Description oThere are k sensors located in t…

A. Bear and Reverse Radewoosh 题目连接： http://www.codeforces.com/contest/658/problem/A Description Limak and Rade…

B. Print Check 题目连接： http://www.codeforces.com/contest/631/problem/B Description Kris works in a large company…

E. A Simple Task 题目连接： http://www.codeforces.com/contest/558/problem/E Description This task is very simple. G…

D. Searching Rectangles 题目连接： http://codeforces.com/contest/714/problem/D Description Filya just learned new g…

C. Mike and Chocolate Thieves 题目连接： http://www.codeforces.com/contest/689/problem/C Description Bad news came …

F. Ace It! 题目连接： http://www.codeforces.com/contest/656/problem/F Description Input The only line of the input …

B. Making Genome in Berland 题目连接： http://www.codeforces.com/contest/638/problem/B Description Berland scientis…