07 2016 档案

hdu 5723 Abandoned country(最小生成树（Kruskal）+dfs)
摘要：/*A.Abandoned countryProblem DescriptionAn abandoned country has n(n≤100000) villages which are numbered from 1 to n. Since abandoned for a long time, 阅读全文
posted @ 2016-07-20 09:54 byonlym 阅读(257) 评论(0) 推荐(0)