洛谷P1546 最短网络 Agri-Net 最小生成树模板题. 直接使用 Kruskal 求解. 复杂度为 \(O(E\log E)\) . #include<stdio.h> #include<string.h> #include<algorithm> using namespace std; const int maxn = 105 * 105; int n, x, tot, ans, f[105]; struct edge{ int from, to, w; bo
Problem Description: Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs your help, of course. Farmer John ordered a high speed connection for his farm and