#include <fstream>

using namespace std;

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

#define NMAX 105
#define INF 100005

int n, mat[NMAX][NMAX];

void citire() {
    f >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j) {
            f >> mat[i][j];
            if (!mat[i][j])
                mat[j][j] = INF;
        }
}

void royfloyd() {
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            if (i != k)
                for (int j = 1; j <= n; j++)
                    if (j != k && i != j && mat[i][k] + mat[k][j] < mat[i][j])
                        mat[i][j] = mat[i][k] + mat[k][j];
}

void afisare() {
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (mat[i][j] == INF)
                g << 0;
            else
                g << mat[i][j];
            g << ' ';
        }
        g << '\n';
    }
}

int main() {
    citire();
    royfloyd();
    afisare();
    return 0;
}