#include <stdio.h>
#define inf 1000000

using namespace std;

long a[101][101],n,i,j,k;

int main()
{
 freopen("royfloyd.in","r",stdin);
 freopen("royfloyd.out","w",stdout);

 scanf("%ld", &n);

 for(i=1;i<=n;i++)
  for(j=1;j<=n;j++)
     {
      scanf("%ld", &a[i][j]);
      if(a[i][j]==0) a[i][j]=inf;
     }

 for(k=1;k<=n;k++)
  for(i=1;i<=n;i++)
   for(j=1;j<=n;j++)
    if(k!=i && k!=j && i!=j)
     if(a[i][j]>a[i][k]+a[k][j])
                               a[i][j]=a[i][k]+a[k][j];

 for(i=1;i<=n;i++)
  {
   for(j=1;j<=n;j++)
    if(a[i][j]!=inf) printf("%ld ", a[i][j]);
               else printf("0 ");
   printf("\n");
  }

 return 0;
}