#include <bits/stdc++.h>

using namespace std;

int main() {
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    int N, a[105][105];
    cin >> N;
    for (int i = 1; i <= N; ++i) {
        for (int j = 1; j <= N; ++j) {
            cin >> a[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 && a[i][k] * a[k][j]) {
                    if (a[i][j] == 0 || 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) {
            cout << a[i][j] << ' ';
        }

        cout << '\n';
    }
    return 0;
}