Kruskal算法解决POJ 2421－－有点难度
摘要：
DescriptionThere are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say two village A and B are connected, if and only if there is a road between A and B, or there exists a village C such that there is a road bet 阅读全文
posted @ 2011-09-22 19:10 More study needed. 阅读(475) 评论(0) 推荐(0) 编辑
