2018年7月29日
HNU暑假训练第一场C.Ninja Map
摘要： 一、题目大意 Intersections of Crossing Path City are aligned to a grid. There are N east-west streets which are numbered from 1 to N, from north to south. T 阅读全文
posted @ 2018-07-29 02:09 六花的邪王真眼 阅读(135) 评论(0) 推荐(0) 编辑