#include <fstream>

using namespace std;

///explicat la semnul -I- pe caiet

int a[101][100], n;

void citire ()
{
    freopen ("royfloyd.in", "r", stdin);
    freopen ("royfloyd.out", "w", stdout);

    scanf ("%d", &n);

    int i, j;

    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
            scanf ("%d", &a[i][j]);
}

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] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                    a[i][j] = a[i][k] + a[k][j];
}

void afisare ()
{
    int i, j;

    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
}

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