#include <fstream>
#define INF 10000
using namespace std;

int n, a[105][105];
int main () {
    int i, j, k;

    ifstream in ("royfloyd.in");
    in >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++) {
            in >> a[i][j];
            if (!a[i][j] && i != j)
                a[i][j] = INF;
        }
    in.close();

    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (a[i][j] > a[i][k] + a[k][j] && a[i][k] && a[k][j])
                    a[i][j] = a[i][k] + a[k][j];

    ofstream out ("royfloyd.out");
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++)
            if (a[i][j] == INF)
                out << 0 << ' ';
            else out << a[i][j] << ' ';
        out << '\n';
    }
    out.close ();

    return 0;
}