#include <fstream>
#include <vector>
#include <queue>
#include <climits>

using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int n;
int dist[105][105];
const int inf = 1e9;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n;

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            cin >> dist[i][j];
            if (dist[i][j] == 0 && i != j) {
                dist[i][j] = inf;
            }
        }
    }

    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (dist[i][k] < inf && dist[k][j] < inf) {
                    if (dist[i][j] > dist[i][k] + dist[k][j]) {
                        dist[i][j] = dist[i][k] + dist[k][j];
                    }
                }
            }
        }
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (dist[i][j] >= inf) {
                cout << 0 << " ";
            } else {
                cout << dist[i][j] << " ";
            }
        }
        cout << '\n';
    }

    return 0;
}