#include <fstream>
#include <algorithm>

using namespace std;

const int INF = 100000000; 
int n;
int a[105][105];

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

void citire() {
    fin >> n;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fin >> a[i][j];
            if (i != j && a[i][j] == 0) {
                a[i][j] = INF;
            }
        }
    }
}

void royfloyd() {
    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];
                    }
                }
            }
        }
    }
}

void afisare() {
    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";
    }
}

int main() {
    citire();
    royfloyd();
    afisare();

    return 0;
}