//
// header file for the set implementation project
// Project design by Mikhail Nesterenko
//


// #include <iostream>
// using namespace std;

#ifndef SET_H
#define SET_H

const int MAX_SETSIZE=20;

class Set{
public:
    // set arithmetic functions, implemented as friends
    friend Set intersection(const Set& setA,
 			    const Set& setB);
    friend Set setunion(const Set& setA,
		     const Set& setB);
    friend Set complement(const Set& setA,
			  const Set& setB);

    // set manipulation functions
    void add(int); // adds element to the set
    void remove(int); // removes element from the set
    bool includes(int) const; // checks if element is in the set

    Set(); // void constructor
    void printSet() const; // prints comma separated list of 
                           // elements of the set

private:
    int setarray[MAX_SETSIZE];
    int setsize;
};

#endif // SET_H