Constructing Roads Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 19847 Accepted Submission(s): 7594 Problem Description There are N villages, which are numbered from 1 to N, and you should…
Problem Description There 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…
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> using namespace std; #define M 25000 #define maxn 100000000 struct node { int v1,v2; int dis; }s[M]; int cmp(const node a,const node b) { if(a.dis<b.dis)…
以此图为例: package com.datastruct; import java.util.Scanner; public class TestKruskal { private static class Edge{ public Edge(int begin,int end,int weight){ this.begin = begin; this.end = end; this.weight = weight; } int begin; int end; int weight; publ…