2016年11月16日
Codeforces Round #379 (Div. 2)
摘要： A. Anton and Danik Anton likes to play chess, and so does his friend Danik. Once they have played n games in a row. For each game it's known who was t 阅读全文
posted @ 2016-11-16 11:11 YouSiki 阅读(263) 评论(0) 推荐(0)