Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Flatopian government is aware of this problem. They're planning to build some highways so that i…

Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Flatopian government is aware of this problem. They're planning to build some highways so that i…

http://poj.org/problem?id=2485 Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Flatopian government is aware of this problem. They're planning t…

Highways Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 22842   Accepted: 10525 Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Fl…

题目链接. 分析: 比POJ2253要简单些. AC代码: #include <iostream> #include <cstdio> #include <cstring> #include <cstdlib> #include <queue> #include <algorithm> #include <cmath> #include <string> #include <map> using n…

poj:1258 Agri-Net Time Limit: 1000 MS Memory Limit: 10000 KB 64-bit integer IO format: %I64d , %I64u Java class name: Main [Submit] [Status] [Discuss] Description Farmer John has been elected mayor of his town! One of his campaign promises was to bri…

POJ 1258 Agri-Net http://poj.org/problem?id=1258 水题. 题目就是让你求MST,连矩阵都给你了. prim版 #include<cstdio> const int MAXN=101; const int INF=100000+10; int map[MAXN][MAXN]; int dis[MAXN]; int n; void prim() { bool vis[MAXN]={0}; for(int i=0;i<=n;i++) dis[i]…

1.POJ2485 Highways 蛮水的 数组一开始开小了卡了一会儿 我可能是个傻逼 #include<iostream> #include<cstdio> #include<cstdlib> #include<cstring> #include<algorithm> #include<string> using namespace std; ]; int find(int x){ return f[x]==x?x:f[x]=fi…

最短路径: poj1125 - Stockbroker Grapevine(多源最短路径,floyd) poj1502 - MPI Maelstrom(单源最短路径,dijkstra,bellman-ford,spfa) poj1511 - Invitation Cards(单源来回最短路径,spfa邻接表) poj1797 - Heavy Transportation(最大边,最短路变形,dijkstra,spfa,bellman-ford) poj2240 - Arbitrage(汇率问题,…

总时间限制: 1000ms 内存限制: 65536kB描述The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Flatopian government is aware of this problem. They're planning to build some h…