链接: http://poj.org/problem?id=1287 Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 7494   Accepted: 4090 Description You are assigned to design network connections between certain points in a wide area. You are given a set of points in t…

有一些地方需要铺盖电缆,这些地方两点间的路可能不止一条,需要求出来至少需要多少电缆才能让所有的点都连接起来,当然,间接连接也算. ///////////////////////////////////////////////////////////////////////// #include<iostream> #include<cstring> #include<cstdio> #include<queue> #include<vector>…

题目链接:https://vjudge.net/problem/POJ-1287 思路:最小生成树板子题 #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #include <queue> #include <stack> #include <string> #include <map> #include…

#include<iostream> #include<algorithm> using namespace std; const int N=1e5; struct edge{ int a,b,w; }e[N]; bool cmp(edge a,edge b) { return a.w<b.w; } int p[N]; int find(int x) { if(p[x]!=x) p[x]=find(p[x]); return p[x]; } int main() { int…

Networking Time Limit:1000MS     Memory Limit:10000KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1287 Appoint description:  System Crawler  (2015-06-02) Description You are assigned to design network connections between certain poin…

题目链接:problemCode=1372">ZOJ1372 POJ 1287 Networking 网络设计 Networking Time Limit: 2 Seconds      Memory Limit: 65536 KB You are assigned to design network connections between certain points in a wide area. You are given a set of points in the area, a…

POJ.1287 Networking (Prim) 题意分析 可能有重边,注意选择最小的边. 编号依旧从1开始. 直接跑prim即可. 代码总览 #include <cstdio> #include <cstring> #define nmax 105 #define inf 1e8+7 using namespace std; int mp[nmax][nmax]; bool isfind = true; int n,m; int totaldis =0; void prim(…

poj 1251  && hdu 1301 Sample Input 9 //n 结点数A 2 B 12 I 25B 3 C 10 H 40 I 8C 2 D 18 G 55D 1 E 44E 2 F 60 G 38F 0G 1 H 35H 1 I 353A 2 B 10 C 40B 1 C 200Sample Output 21630 prim算法 # include <iostream> # include <cstdio> # include <cstr…

题目链接: poj.org/problem?id=1287 题目大意: 你被分派到去设计一个区域的连接点,给出你每个点对之间的路线,你需要算出连接所有点路线的总长度. 题目输入: 一个数字n  代表有 n个顶点,  一个数字 m 有m条边. 接下来m行是 m条边的信息, 起点   终点  权值 题目输出 : 输出最小生成树的值 #include <iostream> #include <cstdlib> #include <cstdio> #include <al…

id=1287">Networking Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 5976   Accepted: 3231 Description You are assigned to design network connections between certain points in a wide area. You are given a set of points in the area, and…