#include <iostream>
#include <fstream>
using namespace std;
int a[100][100];
int n, m , i , j;

void floydwarsh()
{ int k;
    for (k=1;k<=n;k++)
        for(i=1;i<=n;i++)
          for(j=1;j<=n;j++)
          if(a[i][j]!=0 && i!=j)
            {if(a[i][j] > a[i][k] + a[k][j])
              a[i][j]= a[i][k]+ a[k][j];}
          else a[i][j]==0;
}
int main()
{
    ifstream f("royfloyd.in");
    f>>n;
   for (i=1;i<=n;i++)
    for(j=1;j<=n;j++)
       f>>a[i][j];

    for (i=1;i<=n;i++)
    {for(j=1;j<=n;j++)
      cout<<a[i][j]<<" ";
     cout<<endl;
}
cout<<endl;

ofstream g("royfloyd.out");

floydwarsh();

    for (i=1;i<=n;i++)
        {for(j=1;j<=n;j++)
         g<<a[i][j]<<" ";
           g<<endl;
                   }
}