#include <iostream>
#include <fstream>

using namespace std;

const int INF = 2000000;

int main() {
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");

    int n;
    f >> n;

    int a[105][105]; // Adjacency matrix

    // 1. Reading Input
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            f >> 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) g << "0 ";
            else g << a[i][j] << " ";
        }
        g << endl;
    }
    return 0;
}