// 
//  Introduction to while loops
//
//  Determine passing / failing grade
//

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

int main ()
{

// ---- Variables

int grade,              // grade to be input
    gradesum = 0,       // sum of grades
    gradecount = 0,     // count of grades
    maxgrade,
    mingrade;

float avg;              // for calculating avg grade

// ---- Input

cin >> grade;

maxgrade = grade;
mingrade = grade;

cout << "\n--------------------- ";
cout << "\n    Grade Report      ";
cout << "\n--------------------- ";
cout << "\nGrade       Pass/Fail ";
cout << "\n-----       ---------\n";

// ---- Processing Loop

while (grade >= 0)
{

   if (grade >= 60)
      cout << "\n" << setw(3) <<  grade << "           Pass";
   else 
      cout << "\n" << setw(3) <<  grade << "           Fail";

   gradesum += grade;
   gradecount ++;

   if (grade > maxgrade)
      maxgrade = grade;
   if (grade < mingrade)
      mingrade = grade;

cin >> grade;

}

// Summary Reporting

avg = static_cast<float>(gradesum)/gradecount;

cout << "\n--------------------- ";
cout << "\n    Summary Info      ";
cout << "\n--------------------- ";
cout << "\nNum of grades:   " << setw(4) << gradecount;
cout << "\nSum of grades:   " << setw(4) << gradesum;
cout << "\n\nMin grade:     " << setw(6) << mingrade;
cout << "\nMax grade:       " << setw(4) << maxgrade;
cout << "\n\nAvg of grades: " << setw(6) << avg;
cout << "\n--------------------- ";

cout << "\n\n";
return 0;

}