#include <fstream>

using namespace std;

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

int n, a[105][105];

int main()
{
    f >> n;

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

            if (a[i][j] == 0) {
                a[i][j] = 1e9;
            }
        }
    }

    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                if (i != j) {
                    a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                }
            }
        }
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (a[i][j] == 1e9) {
                a[i][j] = 0;
            }

            g << a[i][j] << ' ';
        }

        g << '\n';
    }

    return 0;
}