2014年12月25日
Codeforces Round #284 (Div. 2)
摘要： 题目链接：http://codeforces.com/contest/499A. Watching a movieYou have decided to watch the best moments of some movie. There are two buttons on your playe... 阅读全文
posted @ 2014-12-25 12:53 huangxf 阅读(746) 评论(0) 推荐(0) 编辑