// CIS22A - Assignment 4 Solution Fall 2019

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

int main()
{
    const unsigned short MaxPoints = 400;

    unsigned short ass1, ass2, ass3, ass4, ass5, ass6, ass7, ass8, ass9, ass10, ass11; /* Assignment grades */
    unsigned short assTotal;
    unsigned short minAss;
    unsigned short midterm;
    unsigned short final;
    unsigned short totalPoints;
    unsigned short labexercises;
    unsigned short percent;
    char grade;
    char plus_minus;

    /* Get user input */
    cout << "Enter assignment 1 points ";
    cin >> ass1;
    cout << "Enter assignment 2 points ";
    cin >> ass2;
    cout << "Enter assignment 3 points ";
    cin >> ass3;
    cout << "Enter assignment 4 points ";
    cin >> ass4;
    cout << "Enter assignment 5 points ";
    cin >> ass5;
    cout << "Enter assignment 6 points ";
    cin >> ass6;
    cout << "Enter assignment 7 points ";
    cin >> ass7;
    cout << "Enter assignment 8 points ";
    cin >> ass8;
    cout << "Enter assignment 9 points ";
    cin >> ass9;
    cout << "Enter assignment 10 points ";
    cin >> ass10;
    cout << "Enter assignment 11 points ";
    cin >> ass11;
    cout << "Enter lab exercise points ";
    cin >> labexercises;
    cout << "Enter midterm points ";
    cin >> midterm;
    cout << "Enter final points ";
    cin >> final;

    // Determine the minimum assignment
    minAss = ass1;
    if (ass2 < minAss) minAss = ass2;
    if (ass3 < minAss) minAss = ass3;
    if (ass4 < minAss) minAss = ass4;
    if (ass5 < minAss) minAss = ass5;
    if (ass6 < minAss) minAss = ass6;
    if (ass7 < minAss) minAss = ass7;
    if (ass8 < minAss) minAss = ass8;
    if (ass9 < minAss) minAss = ass9;
    if (ass10 < minAss) minAss = ass10;
    if (ass11 < minAss) minAss = ass11;

    // Calculate the total assignment points
    assTotal = ass1 + ass2 + ass3 + ass4 + ass5 + ass6 + ass7 + ass8 + ass9 + ass10 + ass11 - minAss;

    /* Calculate the total points */
    totalPoints = assTotal + midterm + final + labexercises;

    // calculate the percent of total
    percent = static_cast<unsigned short> (100. * totalPoints / MaxPoints + 0.5);

    // Determine the letter grade
    switch (percent / 10) {
        case 10:
        case 9:
            grade = 'A';
            break;
        case 8:
            grade = 'B';
            break;
        case 7:
            grade = 'C';
            break;
        case 6:
            grade = 'D';
            break;
        default:
            grade = 'F';
    }

    // Determine grade + or -
    plus_minus = percent < 100 ? percent % 10 > 7 ? '+' : (percent % 10 < 2 ? '-' : ' ') : '+';

    // Program Output
    cout << "\nAssignment Grades:"
            << setw(4) << ass1
            << setw(4) << ass2
            << setw(4) << ass3
            << setw(4) << ass4
            << setw(4) << ass5
            << setw(4) << ass6
            << setw(4) << ass7
            << setw(4) << ass8
            << setw(4) << ass9
            << setw(4) << ass10
            << setw(4) << ass11 << endl;
    cout << "Assignment Points: " << setw(3) << assTotal << endl;
    cout << "Lab Exercise:      " << setw(3) << labexercises << endl;
    cout << "Midterm:           " << setw(3) << midterm << endl;
    cout << "Final:             " << setw(3) << final << endl;
    cout << "Total Points:      " << setw(3) << totalPoints << endl;
    cout << "Percent of total:  " << setw(3) << percent << '%' << endl;
    cout << "Grade: " << grade << plus_minus << endl;

    if (grade == 'A') cout << "Excellent work" << endl;
    else if (grade == 'B' || grade == 'C') cout << "Not bad!" << endl;

    else cout << "You better try again" << endl;
}