#include <fstream>

using namespace std;

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

int n, i, j, k;
int a[105][105];

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 ((i != j) && ((a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0) && a[i][k] != 0 && a[k][j] != 0))
                    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;
}