2020年4月21日
CF833 A The Meaningless Game
摘要： 题干 Slastyona and her loyal dog Pushok are playing a meaningless game that is indeed very interesting. The game consists of multiple rounds. Its rules 阅读全文
posted @ 2020-04-21 22:54 zfio 阅读(157) 评论(0) 推荐(0) 编辑