2019年3月5日
CodeForces - 13E
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 @ 2019-03-05 18:04 mile-star 阅读(214) 评论(0) 推荐(0) 编辑