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Cod sursa(job #18106)
#include<fstream.h>
#include<conio.h>
int a[20][20],n,m,j,i,max,d,k,l,c1,c2,d1,d2,p;
void citire();
void citire()
{ ifstream f("tablou.in");
f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
f>>a[i][j];
f.close();
}
int main ()
{ citire();
clrscr();
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
if(a[i][j]==1)
{
for(k=i;k<=n;k++)
for(l=j;l<=m;l++)
if(a[k][l]==1)
{
d++ ;
if(d==(k-i+1)*(l-j+1) && max<d)
{ max=d ;
c1=i;c2=j;d1=k;d2=l;
}
}
}
cout<<max<<" "<<c1<<" "<<c2<<" "<<d1<<" "<<d2;
getch();
return 0;
}