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Re:构图犯了很白痴的错。。。不过好慢啊!!请教匹配是怎么做的呢??In Reply To:构图犯了很白痴的错。。。不过好慢啊!!请教匹配是怎么做的呢?? Posted by:wzydeath at 2007-07-22 01:10:18 我的匹配 不过WA了
#include <stdio.h>
#include <string.h>
int n, f, d;
int map1[101][101], map2[101][101];
int b[101], link[101];
int B[101], Link[101];
int Find(int v)
{
int i;
for(i = 1; i <= d; i++)
{
if(map2[v][i]&&!B[i])
{
B[i] = 1;
if(Link[i]==0||Find(Link[i]))
{
Link[i] = v;
return 1;
}
}
}
return 0;
}
int find(int v)
{
int i;
for(i = 1; i <= n; i++)
{
if(map1[v][i]&&!b[i])
{
b[i] = 1;
if(link[i]==0)
{
memset(B,0,sizeof(B));
if(Find(i))
{
link[i] = v;
return 1;
}
}
else
if(find(link[i]))
{
link[i] = v;
return 1;
}
}
}
return 0;
}
int main()
{
int i, j, t;
int fi, di, ans = 0;
scanf("%d%d%d",&n,&f,&d);
memset(map1,0,sizeof(map1));
memset(map2,0,sizeof(map2));
for(i = 0; i < n; i++)
{
scanf("%d%d",&fi,&di);
for(j = 0; j < fi; j++)
{
scanf("%d",&t);
map1[t][i+1] = 1;
}
for(j = 0; j < di; j++)
{
scanf("%d",&t);
map2[i+1][t] = 1;
}
}
memset(link,0,sizeof(link));
memset(Link,0,sizeof(Link));
for(i = 1; i <= f; i++)
{
memset(b,0,sizeof(b));
if(find(i))
ans++;
}
printf("%d\n",ans);
return 1;
}
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