2016年7月24日
Codeforces Round #364 (Div. 2) C
摘要： Description Sergei B., the young coach of Pokemons, has found the big house which consists of n flats ordered in a row from left to right. It is possi 阅读全文
posted @ 2016-07-24 17:05 樱花落舞 阅读(365) 评论(0) 推荐(0) 编辑