#include<fstream>
#include<iostream>
#include<ctime>
#define lmax 101
#define INFINIT 0x3f3f3f
using namespace std;
ifstream f("royfloyd.in",fstream::in);
ofstream g("royfloyd.out",fstream::out);
short int n;
int a[lmax][lmax];
void init()
{
    f>>n;
    short int i,j;
    for(i=1;i<=n;i++)
     for(j=1;j<=n;j++)
      {
          f>>a[i][j];
          if(a[i][j]==0)
          a[i][j]=INFINIT;
      }
}
void rf()
{
    short int i,j,k;
    for(k=1;k<=n;k++)
     for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
       if(i!=j && k!=i && k!=j)
        if(a[i][k]+a[k][j]<a[i][j])
        a[i][j]=a[i][k]+a[k][j];
}
void afis()
{
    short int i,j;
    for(i=1;i<=n;i++)
     {for(j=1;j<=n;j++)
      if(a[i][j]==INFINIT)
      g<<"0 ";
      else
      g<<a[i][j]<<" ";
      g<<"\n";
}
}
int main()
{
    init();
    rf();
    afis();
    f.close();
    g.close();
    return 0;
}