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#include <fstream>
using namespace std;
ifstream cin ("royfloyd.in" ) ;
ofstream cout ("royfloyd.out");
int a[105][105],n,k,i,j;
void royd_floyd()
{
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[ i ][ k ] && a[ k ][ j ] && (a[ i ][ k ]+a[ k ][ j ]<a[ i ][ j ]|| !a[ i ][ j ]) && i!=j)
a[i][j]=a[i][k]+a[k][j] ;
}
void afisare()
{
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
cout<<a[i][j]<<" ";
cout<<"\n";}
cout.close();
}
int main()
{
cin>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
cin>>a[i][j];
royd_floyd();
afisare();
cout.close();
cin.close();
return 0;
}