cowtractors专题

POJ2377Bad Cowtractors(最大生成树)

POJ2377Bad Cowtractors(最大生成树) POJ2377Bad Cowtractors 题目大意:给一个带权无向图,求最大生成树。 解题思路:  因为最小生成树按照kruskal的贪心算法是可以证明正确的,那么反向我们取最大的权值的边,然后不断的加入形成的生成树就是最大生成树。 代码: #include <cstdio>#include <algorithm

Bad Cowtractors

最大生成树~ Bessie has been hired to build a cheap internet network among Farmer John's N (2 <= N <= 1,000) barns that are conveniently numbered 1..N. FJ has already done some surveying, and found M (1

POJ 2377 Bad Cowtractors 最大生成树 Kruskal

Description Bessie has been hired to build a cheap internet network among Farmer John’s N (2 <= N <= 1,000) barns that are conveniently numbered 1…N. FJ has already done some surveying, and found M (