typedef enum {up,down} direction;
const MaxFloors = 8;
const int MaxPassengers = 20;

class Elevator {
   friend class Passenger;
   public :
      Elevator(short, short);
      short GetFloor();
      void WhereAreYou();
      void WhereAreYou(ofstream &);
      void PickPassengers(Passenger list[]);
      void MoveToNextFloor();
      void DropPassengers(Passenger list[]);
   private:
      short CurrentFloor;
      short CurrentPassengers;
      short id;
      direction direct;
      bool floorlist[MaxFloors];
      int  PassengerList[20];
};