#include <cstdio>
#define Nmax 101

int n,a[Nmax][Nmax];

void floyd()
{
  int i, j, k;                                                                                                            
  for (k = 0; k < n; k++)                                                                                                  
    for (i = 0; i < n; i++)                                                                                                
        for (j = 0; 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]; 
  
  for(int i=0; i<n; i++)
  {
    for(int j=0 ;j<n; j++)
     printf("%d ",a[i][j]);
    printf("\n");
  }
}

int main()
{
  freopen("royfloyd.in","r",stdin);
  freopen("royfloyd.out","w",stdout);
  
  scanf("%d",&n);
  for(int i=0; i<=n; i++)
    for(int j=0; j<n; j++)
      scanf("%d",a[i] + j);
  
  floyd();
  
  return 0;
}