#include <iostream>
#include <fstream>
using namespace std;
int a[101][101];
int n, i , j, INF;

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] > a[i][k] + a[k][j] && i!=j)
              a[i][j]= a[i][k]+ a[k][j];}
}

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


    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++)
          {
              if(a[i][j]==INF)
                a[i][j]=0;
          }
            g<<a[i][j]<<" ";
           g<<endl;
                   }


}