//  Source File:  ExamResults.H
//
//  Header file for ExamResults class
//
//  Author:  Alan Baumgarten
//  Date:    March 12, 1999

#include <bool.h>

//  This class contains a set of exam scores and provides operations
//    to display the scores in descending order and to calculate
//    mean, median, highest score, and lowest score.

class ExamResults {
    private:
        int  _numStudents;
        int* _scores;
        bool _sorted;

    void Sort();
    void MergeSort (int workSpace[], int low, int high);
    void Merge     (int workSpace[], int low, int high, int upper);
    
    public:
        ExamResults (int count, int values[]);      // count must be >= 2
        ExamResults (const ExamResults& results);   // copy constructor
        ~ExamResults();                             // destructor

        ExamResults& operator = (const ExamResults& results);

        double GetMean();               //  return mean
        int    GetMedian();             //  return median
        int    GetMaxScore();           //  return highest score
        int    GetMinScore();           //  return lowest score

        void Display();                 //  display in descending order
};