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…

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 a set of possible routes for the cables that may connect pairs of points. For each possible route between…

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(…

Networking 题目链接: http://acm.hust.edu.cn/vjudge/contest/124434#problem/B 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 a set of possible routes for the…

题意  给你n个点 m条边  求最小生成树的权 这是最裸的最小生成树了 #include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int N = 55, M = 3000; int par[N], n, m, ans; struct edge{int u, v, w;} e[M]; bool cmp(edge a, edge b){return a.w < b…

Networking Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 7321   Accepted: 3977 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 a set of po…

最小生成树模板题 跑一次kruskal就可以了 /* *********************************************** Author :Sun Yuefeng Created Time :2016/11/9 18:26:37 File Name :tree.cpp ************************************************ */ #include<cstdio> #include<iostream> #includ…

Networking 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 a set of possible routes for the cables that may connect pairs of points. For each possible ro…

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 a set of possible routes for the cables that may connect pairs of points. For each possible route between…

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 a set of possible routes for the cables that may connect pairs of points. For each possible route between two points,…

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…

传送门:http://poj.org/problem?id=1287 题意:给出n个点 m条边 ,求最小生成树的权 思路:最小生树的模板题,直接跑一遍kruskal即可 代码: #include<iostream> #include<cstdio> #include<algorithm> #include<string.h> using namespace std; const int maxn = 5005; struct node { int u; in…

http://poj.org/problem?id=1287 http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=372 和上次那题差不多. 边和好久不联系的笔友聊天边敲~哈哈哈哈,一次AC,水 Kruskal #include<cstdio> #include<algorithm> using namespace std; const int N=55; const int MAXN=3000; int n,sum…

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 is going to share his…

Networking Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 22362   Accepted: 11372 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 a set of…

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…

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…

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…

#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…

题目链接:http://poj.org/problem?id=1287 题意:n个点,m条网线长度.求构成网络的最小网线长度. 题解:最小生成树裸题.套板子. 代码: #include<iostream> #include<cstring> #include<cstdio> using namespace std; ; const int inf = 0x3f3f3f3f; int mp[maxn][maxn]; int dis[maxn]; bool vis[maxn…

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…

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:http://poj.org/problem?id=2349 Arctic Network Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 17032   Accepted: 5441 Description The Department of National Defence (DND) wishes to connect several northern outposts by a wireless netw…

http://poj.org/problem?id=1258 FJ为了竞选市长,承诺为这个地区的所有农场联网,为了减少花费,希望所需光纤越少越好,给定每两个农场的花费,求出最小花费. 最小生成树. #include <cstdio> #include <algorithm> using namespace std; ; <<; int cost[maxn][maxn]; int mincost[maxn]; bool used[maxn]; int n; int pri…

http://poj.org/problem?id=2031 Description You are a member of the space station engineering team, and are assigned a task in the construction process of the station. You are expected to write a computer program to complete the task.  The space stati…

点击打开链接 Agri-Net Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 33733   Accepted: 13539 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.…

Highways Time Limit:1000MS     Memory Limit:10000KB     64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1751 Appoint description:  System Crawler  (2015-06-02) Description The island nation of Flatopia is perfectly flat. Unfortunately, Flato…

题目链接:https://vjudge.net/problem/POJ-2349 题意: 题目就是要我们找到一个最小的值D,把图里面所有大于D的边去掉之后剩余的连通分支的数量为S.这个就是找这个图里面最小生成树的第S大的边(也就是第n-S小的边),我们可以依照求最小生成树的过程来,首先对于每一个单点,我们把它看成一个点集,这样一开始我们有n个点集,然后我们找一条距离最小的边,合并边连接的两个点集,这样集合总数就变成了n-1个,假设我们要找一个最小的D,去掉大于D的边,使得连通分支数位n-1,那么…

原题链接:点击此处 题意: 一只叫Freddy的青蛙蹲坐在湖中的一块石头上.突然他发现一只叫Fiona的青蛙在湖中的另一块石头上.Freddy想要跟Fiona约会,但由于湖水太脏,他不想游泳过去而是跳过去找Fiona. 很不幸,Fiona所在的石头距离他有点远,甚至超出了他的跳跃能力.然而Freddy注意到湖中还有一些其他的石头.这些石头也许会将这个很长的跳跃距离化成若干个短的跳跃距离. 我们定义“青蛙距离”为Freddy跳到Fiona那里所需要的若干次跳跃中最长的那一次.现在给你Freddy,…