2017年3月26日
[刷题]Codeforces 746G - New Roads
摘要： DescriptionThere are n cities in Berland, each of them has a unique id — an integer from 1 to n, the capital is the one with id 1. Now there ... 阅读全文
posted @ 2017-03-26 20:25 蟹脑板 阅读(184) 评论(0) 推荐(0) 编辑