#include <stdio.h>
#define inf 1001

int n,i,j,k,a[101][101],x;

int main()
{
 freopen("royfloyd.in","r",stdin);
 freopen("royfloyd.out","w",stdout);
 scanf("%d", &n);
 for (i=1;i<=n;i++)
  for (j=1;j<=n;j++)
	{
      scanf("%d", &x);
      if (x==0) a[i][j]=inf;
         else a[i][j]=x;
    }
 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] && a[i][k]!=inf && a[k][j]!=inf)
		a[i][j]=a[i][k]+a[k][j];
 for (i=1;i<=n;i++)
  {
   for (j=1;j<=n;j++)
	if (i!=j) printf("%d ", a[i][j]);
	   else printf("0 ");
   printf("\n");
  }
 return 0;
}