#include <fstream>
using namespace std;

#define INF 1e9 + 5
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");

int n;
int mat[105][105];

void royfloyd()
{
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if (mat[i][k] != INF && mat[k][j] != INF && mat[i][k] + mat[k][j] < mat[i][j])
                {
                    mat[i][j] = mat[i][k] + mat[k][j];
                }
            }
        }
    }
}
int main()
{
    cin >> n;

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            cin >> mat[i][j];
            if (mat[i][j] == 0 && i != j) mat[i][j] = INF;
        }
    }

    royfloyd();

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (mat[i][j] == INF) cout << 0 << " ";
            else cout << mat[i][j] << " ";
        }
        cout << '\n';
    }
    return 0;
}