#include <fstream>
#define MAX 100
#define INF 1000000000
using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int dist[MAX + 10][MAX + 10];
int main()
{
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
        {
            cin >> dist[i][j];
            if (dist[i][j] == 0 && i != j)
                dist[i][j] = INF;
        }
    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]);
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            if (dist[i][j] == INF)
                cout << 0 << ' ';
            else
                cout << dist[i][j] << ' ';
        cout << '\n';
    }
    return 0;
}