poj1325

来源:互联网 发布:程序员修炼之道 怎么样 编辑:程序博客网 时间:2024/06/13 00:07
#include<iostream>#include<stdio.h>#include<string.h>#include<limits.h>#define MAX 101int p,n;bool map[MAX][MAX];bool visit[MAX];int match[MAX];bool find(int k){    int i,j;    for(i=1;i<=n;i++)    {        if(map[k][i]&&visit[i]==false)        {            visit[i]=true;            if(match[i]==0||find(match[i]))            {                match[i]=k;                return true;            }        }    }    return false;}int hungary(){    memset(match,0,sizeof(match));    int sum=0;    for(int i=1;i<=p;i++)    {        memset(visit,0,sizeof(visit));        if(find(i))          sum++;    }    return sum;}int main(){    int t,i,j,k;    while(scanf("%d",&p))    {memset(map,0,sizeof(map));if(p==0)break;scanf("%d",&n);scanf("%d",&k);while(k--){scanf("%d%d%d",&t,&i,&j);map[i][j]=true;}printf("%d\n",hungary());}}