# include <iostream>
# include <fstream>
# define n_max 102
using namespace std;

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

int a[n_max][n_max],n;

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

    for(i=1; i<=n; i++)
        for(j=1; j<=n; j++)
            for(k=1; k<=n; k++)
                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++)
            g<<a[i][j]<<" ";
        g<<'\n';
    }

    return 0;
}