10.5/10.5.cpp


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// 10.5.cpp : This file contains the 'main' function. Program execution begins and ends there.
// Written by Jacob Knox
//


#include <iostream>

using namespace std;

const int NUM_SCORES = 10;
const int NUM_GRADES = 5;

int main()
{
    float scores[NUM_SCORES] = {};
    char grades[NUM_SCORES] = {};
    int counts[NUM_GRADES] = {0, 0, 0, 0, 0};
    float score = 0, tot = 0, avg = 0;

    for (int i = 0; i < NUM_SCORES; i++)
    {
        cout << "Enter score #" << i + 1 << " of " << NUM_SCORES << ": ";
        cin >> score;

        scores[i] = score;
        tot += score;

        if (score >= 90)
        {
            grades[i] = 'A';
            counts[0]++;
        }
        else if (score >= 80)
        {
            grades[i] = 'B';
            counts[1]++;
        }
        else if (score >= 70)
        {
            grades[i] = 'C';
            counts[2]++;
        }
        else if (score >= 60)
        {
            grades[i] = 'D';
            counts[3]++;
        }
        else
        {
            grades[i] = 'F';
            counts[4]++;
        }
    }   
    
    avg = tot / (float)NUM_SCORES;

    for (int i = 0; i < NUM_SCORES; i++)
    {
        cout << "The " << i + 1 << " student recived a " << scores[i] << "% and got a(n) " << grades[i] << ".\n";
    }

    cout << "The average score is: " << avg << "%.\n";
     
    char letter;
    for (int i = 0; i < NUM_GRADES; i++)
    {
        
        if (i != 4)
        {
            letter = 65 + i;
        }
        else 
        {
            letter = 70;
        }

        cout << "There were " << counts[i] << letter << "'s.\n";
    }

}