#include <fstream>
using namespace std;

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

int dist[101][101];

int main()
{
    int N; in >> N;
    for (int i = 1; i <= N; i++)
        for (int j = 1; j <= N; j++)
            in >> dist[i][j];

    for (int k = 1; k <= N; k++)
        for (int i = 1; i <= N; i++)
            for (int j = 1; j <= N; j++)
                if (dist[i][k] && dist[k][j] && (dist[i][k] + dist[k][j] < dist[i][j] || !dist[i][j]) && i != j)
                    dist[i][j] = dist[i][k] + dist[k][j];

    for (int i = 1; i <= N; i++)
    {
        for (int j = 1; j <= N; j++)
            out << dist[i][j] << ' ';
        out << '\n';
    }
    return 0;
}