2018年2月26日
CodeForces - 13E（分块）
摘要： Little Petya likes to play a lot. Most of all he likes to play a game «Holes». This is a game for one person with following rules: There are N holes l 阅读全文
posted @ 2018-02-26 22:36 euzmin 阅读(269) 评论(0) 推荐(0)