摘要:Travel The country frog lives in has n towns which are conveniently numbered by 1,2,…,n . Among n(n−1)2 pairs of towns, m of them are connected by bid 阅读全文
posted @ 2017-08-22 10:41 樱花庄的龙之介大人 阅读(157) 评论(0) 推荐(0) 编辑