#include<stdio.h>
FILE *f=fopen("royfloyd.in","r"),
     *g=fopen("royfloyd.out","w");
int a[101][101],i,j,n,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,"%d\n",a[i][j]);
                      }
  fclose(f);
  fclose(g);
  return 0;
}