#include <fstream>
#include <vector>

using namespace std;

const int INF = 1e9;

int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    int n;
    fin >> n;
    vector <vector <int> > c(n + 1, vector <int> (n + 1, INF));
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            int aux;
            fin >> aux;
            if (i != j && aux == 0) {
                aux = INF;
            }
            c[i][j] = aux;
        }
    }
    fin.close();
    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (c[i][k] + c[k][j] < c[i][j]) {
                    c[i][j] = c[i][k] + c[k][j];
                }
            }
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (i != j && c[i][j] == INF) {
                c[i][j] = 0;
            }
            fout << c[i][j] << " ";
        }
        fout << "\n";
    }
    fout.close();
    return 0;
}