#include <cstdio>
#include <vector>

using namespace std;

const int NMAX = 110;
const int VALMAX = 100000000;

int N;
int d[NMAX][NMAX];

int main () {
    freopen ("royfloyd.in", "r", stdin);
    freopen ("royfloyd.out", "w", stdout);

    scanf ("%d", &N);
    for (int i = 1; i <= N; i++) {
        for (int j = 1; j <= N; j++) {
            scanf ("%d", &d[i][j]);
        }
    }

    for (int k = 1; k <= N; k++) {
        for (int i = 1; i <= N; i++) {
            for (int j = 1; j <= N; j++) {
                if (i != j && d[i][k] && d[k][j] && (d[i][j] > d[i][k] + d[k][j] || d[i][j] == 0)) {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
        }
    }

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

    return 0;
}