#include<fstream>

using namespace std;

int n, a[101][101];

void citire()
{
     int i, j;
     ifstream f("royfloyd.in");
        f>>n;
        
     for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            f>>a[i][j];
            
     f.close();
     
}
 
void floyd()
{
     int i, j, k;
    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][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) 
                   a[i][j] = a[i][k] + a[k][j];
}
 
 
void afisare()
{
     int i, j;
     ofstream g("royfloyd.out");
       for(i=1;i<=n;i++)
        {
          for(j=1;j<=n;j++)
              g<<a[i][j]<<" ";
          g<<"\n";
          }
}
    
int main()
{
    citire();
    floyd();
    afisare();
    return 0;
}