class TicTacToe : public Game
{
    virtual void display_status( )
	{
	    int i, j;
	    cout << "Current state of the game:" << endl;
	    for (i = 0; i < 3; ++i)
	    {
		for (j = 0; j < 3; ++j)
		{
		    cout << state[i][j]; 
		}
		cout << endl;
	    }
	}
private:
    char state[3][3];
};