#include <fstream>

using namespace std;

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

const int N = 105;

int n;
int a[N][N];

void roy()
{
    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] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) {
                    a[i][j] = a[i][k] + a[k][j];
                }
            }
        }
    }
}

int main()
{
    in >> n;

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            in >> a[i][j];
        }
    }

    roy();

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            out << a[i][j] << " ";
        }
        out << "\n";
    }

    return 0;
}