#include <bits/stdc++.h>

using namespace std;

int distances[101][101];

int main() {
    ifstream fin ("royfloyd.in");
    ofstream fout ("royfloyd.out");
    int n;
    fin >> n;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> distances[i][j];
        }
    }

    for (int intermediar = 1; intermediar <= n; ++intermediar) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                if (distances[i][intermediar] and distances[intermediar][j] and i != j) {
                    if (distances[i][j]) {
                        distances[i][j] = min (distances[i][j], distances[i][intermediar] + distances[intermediar][j]);
                    }
                    else {
                        distances[i][j] = distances[i][intermediar] + distances[intermediar][j];
                    }
                }
            }
        }
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fout << distances[i][j] << ' ';
        }
        fout << '\n';
    }
    return 0;
}