#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int NMAX = 105;
const int INF = 1000000000;

int n;
int a[NMAX][NMAX];

int main() {
    fin >> n;

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> a[i][j];
            if (a[i][j] == 0 && i != j) {
                a[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 (a[i][k] != INF && a[k][j] != INF) {
                    if (a[i][j] > a[i][k] + a[k][j]) {
                        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] == INF) {
                fout << 0 << " ";
            } else {
                fout << a[i][j] << " ";
            }
        }
        fout << "\n";
    }

    return 0;
}