#include <fstream>

#define NMAX 105

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n;
int dist[NMAX][NMAX];

int main()
{
   f>>n;

   for (int i=1;i<=n;i++)
    for (int j=1;j<=n;j++)
     f>>dist[i][j];

   for (int nod=1;nod<=n;nod++)
     for (int i=1;i<=n;i++)
       for (int j=1;j<=n;j++)
         if (dist[i][nod] && dist[nod][j] && dist[i][nod]+dist[nod][j]<dist[i][j])
            dist[i][j]=dist[i][nod]+dist[nod][j];

  for (int i=1;i<=n;i++,g<<'\n')
    for (int j=1;j<=n;j++)
      g<<dist[i][j]<<" ";

   f.close();
   g.close();
}