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#include <fstream>
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
int a[101][101],n,i,j,k;
int main()
{
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
f>>a[i][j];
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])
if(a[i][k]+a[k][j]<a[i][j] || a[i][j]==0 && i!=j){a[i][j]=a[i][k]+a[k][j];}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++) g<<a[i][j]<<" ";
g<<endl;
}
f.close();g.close();
return 0;
}