#include<stdio.h>
using namespace std;



int a[101][101],b[101][101],n;

void citire()
{
     int i,j;

freopen("royfloyd.in","r",stdin);
     scanf("%d",&n);
    
    
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
       scanf("%d",&a[i][j]);
   fclose(stdin);
   
}

void afisare()

{   int i,j;
  freopen("royfloyd.out","w",stdout);
           for(i=1;i<=n;i++)
      { for(j=1;j<=n;j++)
             printf(" %d",a[i][j]);
             printf("\n");
      
      }
      fclose(stdout);
}

void floyd()
{    int i,j,k;
         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])
          if(a[i][k]+a[k][j]<a[i][j]||!a[i][j]&&i!=j)
          a[i][j]=a[i][k]+a[k][j];
          
         
}
int main()
{
    citire();
    floyd();
    afisare();
    return 0;
}