#include<stdio.h>
int a[101][101],i,j,k,n;
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",&a[i][j]);
     if(a[i][j]==0&&i!=j)
       a[i][j]=1001;
       }
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][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
 {for(j=1;j<=n;j++)
  if(a[i][j]!=1001)
     printf("%d ",a[i][j]);
  else printf("0 ");
  printf("\n");
  }
  
return 0;
}