#include <stdio.h>
FILE *f=fopen("royfloyd.in","r"),*g=fopen("royfloyd.out","w");
int n,a[101][101],i,j,k;
int main()
{
 fscanf(f,"%d",&n);
 for(i=1;i<=n;i++)
   for(j=1;j<=n;j++)
     fscanf(f,"%d",&a[i][j]);
 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];
 for(i=1;i<=n;i++)
 {
   for(j=1;j<=n;j++)
     fprintf(g,"%d ",a[i][j]);
   fprintf(g,"\n");
 }
 return 0;
}