#include <bits/stdc++.h>

using namespace std;

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

int n;
int a[100][100];
int dist[100][100];

int main() {
    fin >> n;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            fin >> a[i][j];
            dist[i][j] = a[i][j];
        }
    }

    for (int k = 0; k < n; k++) {
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                if (a[i][k] && a[j][k]) {
                    dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
                }
            }
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            fout << dist[i][j] << " ";
        }
        fout << "\n";
    }
}