#include <iostream.h>

// Adv_Set.h  An advanced class for implementation of sets
class Set
{	public:	Set ();				// default constructor
		Set (const Set& s);		// deep-copy constructor
		~Set ();			         // destructor
		Set operator + (Set s);		// union of sets
		Set operator + (int n);		// insertion of an integer
		Set operator - (Set s);		// subtraction of sets
		Set operator - (int n);		// removal of an integer
      Set operator & (Set s);    // intersection of sets
		int IsMember (int n);   		// test for membership
      void Output (ostream& outs);  // stream output
		Set& operator= (const Set& s); // deep-copy assignment
   private:
      void Reset(void);    // private function to re-initialize a Set
    	int *members;			// a dynamic array
		int size;
};