#include <fstream>
#define NMAX 105
#define INF 1e9
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int dist[NMAX][NMAX], N;
void read() {
    fin >> N;
    for (int i = 1; i <= N; ++i) {
        for (int j = 1; j <= N; ++j) {
            fin >> dist[i][j];
            if (dist[i][j] == 0) {
                dist[i][j] = INF;
            }
        }
    }
}
void royfloyd() {
    for (int k = 1; k <= N; ++k) {
        for (int i = 1; i <= N; ++i) {
            for (int j = 1; j <= N; ++j) {
                dist[i][j] = min(dist[i][j], dist[i][k] + dist[k][j]);
            }
        }
    }
}
void afis() {
    for (int i = 1; i <= N; ++i) {
        for (int j = 1; j <= N; ++j) {
            if (dist[i][j] >= INF || i == j) {
                fout << 0 << " ";
            }
            else {
                fout << dist[i][j] << " ";
            }
        }
        fout << "\n";
    }
}
int main()
{
    read();
    royfloyd();
    afis();
    return 0;
}