#include <fstream>

using namespace std;

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

#define NMAX 105
#define INF ((1<<30)-1)

int n, c[NMAX][NMAX];

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

void calculare() {
    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                c[i][j] = min(c[i][j], c[i][k] + c[k][j]);
}

void afisare() {
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j)
            g << c[i][j] << ' ';
        g << '\n';
    }
}

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