mode.cpp

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#include <iostream>

using namespace std;
#include <iomanip>
#include <cmath>
#include <cstdlib>

int main()
{


    double sco1, sco2, sco3, sco4, sco5;
    double average, mode;

    cout << setprecision(2) << fixed;
    cout << "Please enter 5 test scores: " << "\n";
    cin >> sco1 >> sco2 >> sco3 >> sco4 >> sco5;
    cout << "\n" << sco1 << "\n" << sco2 << "\n" << sco3 << "\n"
    << sco4 << "\n" << sco5 << endl;


    if(sco1<0 || sco1>100 || sco2<0 || sco2>100 || sco3<0 ||
       sco3>100 || sco4<0 || sco4>100 || sco5<0 || sco5>100 )
    {
        cout << "There was an invalid test score." << endl;
        cout << "Exiting." <<endl;
    }

    else
    {
        average = (sco1 + sco2 + sco3 + sco4 + sco5)/5;
        cout << "Average = " << average << endl;

      if(average >= 89.5)
      {
        cout << "Grade = A" << endl;
      }
      if(average >=79.5 && average<= 89.49)
      {
        cout << "Grade = B" << endl;

      }
      if(average >=69.5 && average<= 79.49)
      {
        cout << "Grade = C" << endl;
      }

      if(average >=59.5 && average<= 69.49)
      {
        cout << "Grade = D" << endl;
      }
      if(average <= 59.49)
      {
        cout << "Grade = F" << endl;
      }

        int temp;
        mode = sco1;

        cout << "\n\n*** Start Extra Credit *** \n"<< endl;

        if(sco1 > sco2)
        {
            temp = sco1;
            sco1 = sco2;
            sco2 = temp;
        }
        if(sco1 > sco3)
        {
            temp = sco1;
            sco1 = sco3;
            sco3 = temp;
        }
        if(sco1 > sco4)
        {
            temp = sco1;
            sco1 = sco4;
            sco4 = temp;
        }
        if(sco1 > sco5)
        {
            temp = sco1;
            sco1 = sco5;
            sco5 = temp;
        }
        if(sco2 > sco3)
        {
            temp = sco2;
            sco2 = sco3;
            sco3 = temp;
        }
        if(sco2 > sco4)
        {
            temp = sco2;
            sco2 = sco4;
            sco4 = temp;
        }
        if(sco2 > sco5)
        {
            temp = sco2;
            sco2 = sco5;
            sco5 = temp;
        }
        if(sco3 > sco4)
        {
            temp = sco3;
            sco3 = sco4;
            sco4 = temp;
        }
        if(sco3 > sco5)
        {
            temp = sco3;
            sco3 = sco5;
            sco5 = temp;
        }
        if(sco4 > sco5)
        {
            temp = sco4;
            sco4 = sco5;
            sco5 = temp;
        }

        cout << "Min = " << sco1 << endl;

        cout << "Max = " << sco5 << endl;

        cout << "Median = " << sco3 << endl;

        int array[] = {sco1, sco2, sco3, sco4, sco5};
        // int array[] = {2, 3, 3, 3, 2};
        
        int size = 5;
        
        int number = array[0];
        int mode = number;
        int count = 1;
        int countMode = 1;
        
        for (int i=1; i<size; i++)
        {
              if (array[i] == number) { // count occurrences of the current number
                 ++count;
              }
                else{ // now this is a different number
                    if (count > countMode) {
                          countMode = count; // mode is the biggest ocurrences
                          mode = number;
                    }
                   count = 1; // reset count for the new number
                   number = array[i];
                }
    
            // cout<<"count: "<<count<<endl;
            // cout<<"countMode: "<<countMode<<endl;
    
            // cout<<"number: "<<number<<endl;
            // cout<<"mode: "<<mode<<endl;
            // cout<<"-----------"<<endl;
        }
        
        cout << "mode : " << mode << endl;

        cout << "\n*** End Extra Credit ***" << endl;
    }


    return 0;
}