#include <iostream>
#include <fstream>
using namespace std;
int n,a[101][101],i,j,k;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        f>>a[i][j];

    for(k=1;k<=n;k++)
      for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            if(a[k][j] && a[i][k] && (a[i][j]> a[i][k] + a[k][j] && i!=j))
                a[i][j]=a[i][k] + a[k][j];
    for(i=1;i<=n;i++)
     {
     for(j=1;j<=n;j++)
        g<<a[i][j]<<" ";
     g<<"\n";
     }

    return 0;
}