// Adv_Set.h  A 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);			// intersection of sets
				Set operator - (int n);			// removal of an integer
				int IsMember (int n);			// test for membership
				Set operator= (Set s);		// deep-copy assignment
	private: int *members;		// a dynamic array
				int size;
};