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Codeup100000622问题 E: Jungle Roads

题目描述: The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads between villages some years ago. But the jungle overtakes roads relentlessly, so the large road network is too expensive to

POJ - 1251 Jungle Roads (最小生成树&并查集

#include<iostream>#include<algorithm>using namespace std;int ans=0,tot=0;const int N = 1e5;int f[200];struct ac{ int v,u,w;}edge[N];bool cmp(ac a,ac b){ return a.w<b.w;}inline int find(int x){ if(x!=f[x])f[x]=find(f[x]);return f[x]

Jungle Roads——最小生成树

题目链接 题意: 把各个岛屿看成一个点,求各个岛屿之间权值最小的路径(最小生成树) 对于数据 数据输入的第一行n代表岛屿的个数,当为0时程序结束。 接着n-1行开始为岛屿的编号,用大写字母表示,接着是一个整数k,表示与该岛屿连接的岛屿个数,然后该行输入m对数据 字母表示岛屿编号 接着一个整