#include <fstream>
#include <vector>

using namespace std;

int main() {

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

    int n; in >> n;

    int mat[100][100];

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            in >> mat[i][j];
        }
    }

    for (int k = 0; k < n; ++k) {
        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < n; ++j) {
                if (mat[i][k] * mat[k][j]) {
                    mat[i][j] = min(mat[i][j], mat[i][k] + mat[k][j]);
                    if (mat[i][j] == 0) {
                        mat[i][j] = mat[i][k] + mat[k][j];
                    }
                }
            }
        }
    }

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            out << mat[i][j] << " ";
        }
        out << "\n";
    }

    return 0;
}