Problem J. Joke 题目连接： http://codeforces.com/gym/100714 Description The problem is to cut the largest possible …

B. Urbanization 题目链接 http://codeforces.com/contest/735/problem/B 题面 Local authorities have heard a lot about c…

D. Rat Kwesh and Cheese 题目连接： http://www.codeforces.com/contest/621/problem/D Description Wet Shark asked Rat …

A. Drazil and Factorial 题目连接： http://codeforces.com/contest/516/problem/A Description Drazil is playing a math…

B. sland Puzzle 题目连接： http://www.codeforces.com/contest/635/problem/B Description A remote island chain contai…

Rikka with Phi 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5634 Description Rikka and Yuta are interested …

C. Binary Table 题目连接： http://codeforces.com/problemset/problem/662/C Description You are given a table consist…

B. Legacy 题目连接： http://codeforces.com/contest/786/problem/B Description Rick and his co-workers have made a ne…

C. Tennis Championship 题目链接 http://codeforces.com/contest/735/problem/C 题面 Famous Brazil city Rio de Janeiro h…

C. Tournament link http://codeforces.com/contest/878/problem/C description Recently a tournament in k kinds of…

D1. Magic Powder – 1 题目连接： http://www.codeforces.com/contest/670/problem/D1 Description This problem is …

C. Dreamoon and Sums 题目连接： http://www.codeforces.com/contest/476/problem/C Description Dreamoon loves summing …