#include <fstream>

std::ifstream fin("royfloyd.in");
std::ofstream fout("royfloyd.out");

int n;
int d[105][105], answer[105][105];

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

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

    fout.close();
}