#include <iostream>
#include <fstream>

using namespace std;

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

int n,matrice [101][101];

void citire ()
{
    int i,j;
    f>>n;
    for (i=1;i<=n;i++)
        for (j=1;j<=n;j++)
            f>> matrice [i][j];
}

void roy ()
{
    int i,j,k;


    for (k=1;k<=n;k++)
        for (i=1;i<=n;i++)
            for (j=1;j<=n;j++)
                if (i!=k && j!=k)
                    if (matrice [i][j] > matrice [i][k] +matrice [k][j] && matrice [i][k] * matrice [k][j] !=0)
                    matrice [i][j] = matrice [i][k] + matrice [k][j];
}

void afisare ()
{
    int i,j;
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
            g << matrice [i][j] << " ";
    g << "\n";
    }
}

int main()
{
    citire ();
    roy ();
    afisare ();
    return 0;
}