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两天了,还AC不了!可怜可怜我吧!#include<iostream.h>
void main()
{
int P,T,a,b,i,j,pt[101][101],r=0;
cin>>P>>T;
while(cin>>a>>b)
pt[a-1][b-1]=1;
for(i=0;i<P;i++)
{
int l=0;
for(j=0;j<i;j++)
{
for(int k=0;k<T;k++)
{
if(pt[i][k]!=pt[j][k])
break;
}
if(k!=T)
l++;
}
if(l==j)
r++;
}
cout<<r<<endl;
}
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