#include <fstream>
#define NMax 105
using namespace std;

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

int main() {
    int N;
    int d[NMax][NMax];

    in >> N;

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

    for (int k = 0; k < N; ++k) {
        for (int i = 0; i < N; ++i) {
            for (int j = 0; j < N; ++j) {
                if (d[i][k] && d[k][j] && (d[i][k] + d[k][j] < d[i][j] || !d[i][j]) && i != j) {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
        }
    }

    for (int i = 0; i < N; i++) {
        for (int j = 0; j < N; j++) {
            out << d[i][j] << " ";
        }
        out << '\n';
    }
    return 0;
}