#include <iostream>
using namespace std;
int main() {
const double HOMEWORK_MAX = 80.0;
const double MIDTERM_MAX = 40.0;
const double FINAL_MAX = 70.0;
const double HOMEWORK_WEIGHT = 0.20; // 20%
const double MIDTERM_WEIGHT = 0.30;
const double FINAL_WEIGHT = 0.50;
double homeworkScore;
double midtermScore;
double finalScore;
double coursePercentage;
cout << "Enter homework score:" << endl;
cin >> homeworkScore;
cout << "Enter midterm exam score:" << endl;
cin >> midtermScore;
cout << "Enter final exam score: " << endl;
cin >> finalScore;
coursePercentage = ((homeworkScore / HOMEWORK_MAX) * HOMEWORK_WEIGHT)
+ 0.0 // FIXME for midterm
+ 0.0; // FIXME for final
coursePercentage = coursePercentage * 100; // Convert fraction to %
cout << endl << "Your course percentage (FIXME): ";
cout << coursePercentage << endl;
return 0;
}