#ifndef EV_H#define EV_Hclass Event {public:  double time;            // Time at which Event takes place  int type;               // Type of Event  Event* next;            // Points to next event in list  Event(double t, int i) {    time = t;    type = i;    next = 0;  }	Event(){}	~Event(){}};class EventList {  Event* head;           // Points to first Event in EventList  int event_count;       // Total number of Events in EventListpublic:  ~EventList() { clear();}  EventList() { event_count = 0; head = 0;}  void insert(double time, int type);  // Insert new event into EventList  Event* get();                        // Returns first Event in EventList  void clear();                        // Removes all Events from EventList};#endif