| ||||||||||
| Online Judge | Problem Set | Authors | Online Contests | User | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest | |||||||||
WA,匹配怎么做的啊?大牛们~#include <iostream>
using namespace std;
const int N=111;
int n,f,d,Fcnt[N],Dcnt[N],F[N],D[N],link[N];
bool s[N],g[N][N],v[N][N][N],use[N],canuse[N];
bool find(int a)
{
int i,j;
for(i=1;i<=d;i++)
{
if(!s[i]&&g[a][i])
{
for(j=1;j<=n;j++)
{
if(v[a][i][j]&&canuse[j])
{
canuse[j]=false;
s[i]=true;
if(link[i]==0||find(link[i]))
{
link[i]=a;
return true;
}
}
}
}
}
return false;
}
int main()
{
int i,j,k;
scanf("%d%d%d",&n,&f,&d);
for(i=1;i<=n;i++)
{
scanf("%d%d",&Fcnt[i],&Dcnt[i]);
for(j=1;j<=Fcnt[i];j++)
scanf("%d",&F[j]);
for(j=1;j<=Dcnt[i];j++)
scanf("%d",&D[j]);
for(j=1;j<=Fcnt[i];j++)
for(k=1;k<=Dcnt[i];k++)
{g[F[j]][D[k]]=true;v[F[j]][D[k]][i]=true;}
}
int ans=0;
for(i=1;i<=f;i++)
{
memset(s,false,sizeof(s));
memset(canuse,true,sizeof(canuse));
if(find(i))ans++;
}
printf("%d\n",ans);
return 1;
}
Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator