#include <iostream> 
#include <iomanip> 
#include <string> 
using namespace std; 
 
struct StudentGrade 
{ 
int quiz1; 
int quiz2; 
int midterm; 
int final; 
int total; 
string firstName; 
string lastName; 
double percent, avg; 
char letterGrade; 
}; 
 
void getData(StudentGrade& g); 
void setLetterGrade(StudentGrade& g); 
void format(int n); 
 
#define W(i) setw(17) 
#define Y(i) setw(10) 
 
int main() 
{ 
char run_again; 
 
 do 
{ 
  StudentGrade g; 
  getData(g); 
 
  const double Q_PERCENT = 12.5; 
  const double M_PERCENT = 25.0; 
  const double F_PERCENT = 50.0; 
  const int Q_SCORE = 10; 
  const int E_SCORE = 100; 
 
  double q1 = double(g.quiz1) / Q_SCORE * Q_PERCENT; 
  double q2 = double(g.quiz2) / Q_SCORE * Q_PERCENT; 
  double m = double(g.midterm) / E_SCORE * M_PERCENT; 
  double f = double(g.midterm) / E_SCORE * F_PERCENT; 
 
  g.total = g.quiz1 + g.quiz2 + g.midterm + g.final; 
  g.percent = q1 + q2 + m + f; 
 
  int tScore = Q_SCORE * 2 + E_SCORE * 2; 
  double tPercent = Q_PERCENT * 2 + M_PERCENT + F_PERCENT; 
 
  setLetterGrade(g); 
 
  format(1); 
  cout << endl << endl; 
  cout << "Here are the results for " << g.firstName << " " << g.lastName << "." << endl; 
  cout << Y(i) << "TEST" << Y(i) << "TEST" << Y(i) << "MAX" << W(i) << "GRADE SCORE" 
   << W(i) << "MAXIMUM SCORE" << endl; 
  cout << Y(i) << "PERIOD" << Y(i) << "SCORE" << Y(i) << "SCORE" << W(i) << "DISTRIBUTION" 
   << W(i) << "DISTRIBUTION" << endl << endl; 
  cout << Y(i) << "Quiz 1" << Y(i) << g.quiz1 << Y(i) << Q_SCORE << W(i) << q1 << "%" 
   << W(i) << Q_PERCENT << "%" << endl; 
  cout << Y(i) << "Quiz 2" << Y(i) << g.quiz2 << Y(i) << Q_SCORE << W(i) << q2 << "%" 
   << W(i) << Q_PERCENT << "%" << endl; 
  cout << Y(i) << "Midterm" << Y(i) << g.midterm << Y(i) << E_SCORE << W(i) << m << "%" 
   << W(i) << M_PERCENT << "%" << endl; 
  cout << Y(i) << "Final" << Y(i) << g.final << Y(i) << E_SCORE << W(i) << f << "%" 
   << W(i) << F_PERCENT << "%" << endl; 
  cout << Y(i) << "_______________________________________________________________________\n"; 
  cout << Y(i) << "TOTAL" << Y(i) << g.total << Y(i) << tScore << W(i) << g.percent << "%" 
   << W(i) << tPercent << "%" << endl; 
 
  cout << Y(i) << "Average" << Y(i) << (double(g.total) / tScore * tPercent) << "%" << endl; 
  cout << Y(i) << "Grade: " << Y(i) << g.letterGrade << endl; 
 
  cout << endl << endl; 
  cout << "Would you like to try again for another student? (y/n) : "; 
  cout << "(enter Y or N)"; 
  cout << endl; 
  cin >> run_again; 
  } while ((run_again == 'y') || (run_again == 'Y')); 
  system("pause"); 
  return 0; 
 
} 
 
void getData(StudentGrade& g) 
{ 
cout << "Enter the student's first name: "; 
cin >> g.firstName; 
cout << "Enter the student's last name: "; 
cin >> g.lastName; 
cout << "Enter Quiz 1 score (maximum is 10): "; 
cin >> g.quiz1; 
cout << "Enter Quiz 2 score (maximum is 10): "; 
cin >> g.quiz2; 
cout << "Enter Midterm score (maximum is 100): "; 
cin >> g.midterm; 
cout << "Enter Final score (maximum is 100): "; 
cin >> g.final; 
 
 g.quiz1 = g.quiz1 > 10 ? 10 : g.quiz1; 
g.quiz1 = g.quiz1 < 0 ? 0 : g.quiz1; 
g.quiz2 = g.quiz2 > 10 ? 10 : g.quiz2; 
g.quiz2 = g.quiz2 < 0 ? 0 : g.quiz2; 
g.midterm = g.midterm > 100 ? 100 : g.midterm; 
g.midterm = g.midterm < 0 ? 0 : g.midterm; 
g.final = g.final > 100 ? 100 : g.final; 
g.final = g.final < 0 ? 0 : g.final; 
 
 return; 
} 
 
void setLetterGrade(StudentGrade& g) 
{ 
if (g.percent >= 90.0) 
  g.letterGrade = 'A'; 
else if (g.percent >= 80.0) 
  g.letterGrade = 'B'; 
else if (g.percent >= 70.0) 
  g.letterGrade = 'C'; 
else if (g.percent >= 60.0) 
  g.letterGrade = 'D'; 
else 
  g.letterGrade = 'F'; 
} 
 
void format(int n) 
{ 
cout.setf(ios::fixed); 
cout.setf(ios::showpoint); 
cout.precision(n); 
}