C. Commentator problem 题目连接： http://www.codeforces.com/contest/2/problem/C Description The Olympic Games in Be…

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A. Power Consumption Calculation 题目连接： http://www.codeforces.com/contest/10/problem/A Description Tom is inter…

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C. Hard Process 题目连接： http://www.codeforces.com/contest/660/problem/C Description You are given an array a wit…

python 2.7，用来熟悉Python 由于都是智障题，所以我也不讲述题意和题解，直接贴代码了…… A import sys h,m = map(int,raw_input().split(":")) ans = 0…

A. Bear and Three Balls 题目连接： http://www.codeforces.com/contest/653/problem/A Description Limak is a little po…

Codeforces Beta Round #80 (Div. 2 Only) A Blackjack1 题意 一共52张扑克，A代表1或者11,2-10表示自己的数字，其他都表示10 现在你已经有一个queen了，问你…

D. Bear and Polynomials 题目连接： http://www.codeforces.com/contest/658/problem/D Description Limak is a little po…

B. Beautiful Paintings 题目连接： http://www.codeforces.com/contest/651/problem/B Description There are n pictures …

E. DNA Evolution 题目连接： http://codeforces.com/contest/828/problem/E Description Everyone knows that DNA strands…

A. Vladik and flights 题目链接 http://codeforces.com/contest/743/problem/A 题面 Vladik is a competitive programmer. …