POJ 1459 最大流第二题

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POJ 1459 最大流第二题

http://poj.org/problem?id=1459 也是网络流的基础,只是虚拟出一个源点和终点,对应的生产值和消费值就加到与源点和终点的边上,然后做一次bfs就好了. #include <iostream> #include <cstdio> #include <queue> #include <algorithm> #define INF 999999999 //#define OPEN_FILE using namespace std; ; i…

poj 1459 (最大流)

最大流简单题,,这题重要的是知道了scanf("%s",str);sscanf(str,"(%d,%d)%d",&x,&y,&w);读入方式 #include<stdio.h> #include<string.h> const int N=210; const int inf=0x3fffffff; int dis[N],gap[N],head[N],num,start,end,ans,n,m; struct edge…

POJ 1087 最大流裸题 + map

A Plug for UNIX Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15597 Accepted: 5308 Description You are in charge of setting up the press room for the inaugural meeting of the United Nations Internet eXecutive (UNIX), which has an int…

Power Network - poj 1459 (最大流 Edmonds-Karp算法)

Time Limit: 2000MS Memory Limit: 32768K Total Submissions: 24788 Accepted: 12922 Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied with an amou…

Going Home POJ - 2195 费用流板子题

On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to an adjacent point. For each little man, you need to pay a $1 travel fee for every step he moves, unt…

POJ 1459 Power Network / HIT 1228 Power Network / UVAlive 2760 Power Network / ZOJ 1734 Power Network / FZU 1161 （网络流，最大流）

POJ 1459 Power Network / HIT 1228 Power Network / UVAlive 2760 Power Network / ZOJ 1734 Power Network / FZU 1161 (网络流,最大流) Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A…

poj 1459 多源多汇点最大流

Sample Input 2 1 1 2 (0,1)20 (1,0)10 (0)15 (1)20 7 2 3 13 (0,0)1 (0,1)2 (0,2)5 (1,0)1 (1,2)8 (2,3)1 (2,4)7 (3,5)2 (3,6)5 (4,2)7 (4,3)5 (4,5)1 (6,0)5 (0)5 (1)2 (3)2 (4)1 (5)4 7个点包括电站和用户,2个电站,3个用户,13条边,输入13条边,输入2个电站,输入3个用户 Sample Output 15 6 增加一个源点一个汇点…