摘要: 题干 In a village called Byteville, there are houses connected with N 1 roads. For each pair of houses, there is a unique way to get from one to another 阅读全文
posted @ 2020-04-15 22:52 zfio 阅读(203) 评论(2) 推荐(0) 编辑
摘要: 题目传送门题解 Σ(っ °Д °;)っ前置知... 阅读全文
posted @ 2020-04-15 09:07 zfio 阅读(168) 评论(0) 推荐(0) 编辑