#include <fstream>

using namespace std;

int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    
    int n;
    fin >> n;

    int d[101][101];

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


    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (d[i][k] != 0 && d[k][j] != 0) {
                    if (d[i][j] == 0 || d[i][k] + d[k][j] < d[i][j]) {
                        d[i][j] = d[i][k] + d[k][j];
                    }
                }
            }
        }
    }
    
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fout << d[i][j];
            if (j < n) {
                fout << " ";
            }
        }
        fout << "\n";
    }
    
    fin.close();
    fout.close();
    
    return 0;
}