#include <fstream>

using namespace std;
int n, a[105][105];

int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    fin >> n;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fin >> a[i][j];
        }
    }
    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (i != j && a[i][k] != 0 && a[k][j] != 0 && (a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0)) {
                    a[i][j] = a[i][k] + a[k][j];
                }
            }
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fout << a[i][j] << " ";
        }
        fout << "\n";
    }
    return 0;
}