摘要：
http://poj.org/problem?id=3522Slim SpanTime Limit:5000MSMemory Limit:65536KTotal Submissions:5666Accepted:2965DescriptionGiven an undirected weighted graphG, you should find one of spanning trees specified as follows.The graphGis an ordered pair (V,E), whereVis a set of vertices {v1,v2, …,vn} andEis 阅读全文