Do While

//////////////////////////////////////////////////////////////////////
//
// Name: Crystal Ballin
// Date: 3/20/18
// Class: CMPE 1370.02
// Semester: Spring 2018
// CSCI/CMPE 1370 Instructor: Gustavo Dietrich
//
// Use a sentinal controlled do ... while loop to find the average of
// grades entered by the user. The sentinal value is -1.
//
//////////////////////////////////////////////////////////////////////

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

int main()
{
    int grade; // The grade entered by the user
    int sum=0; // Sum of the grades
    int count=0; // Number of grades entered
    double avg=0; // Average of the grades

                ////////////////////////////////
                // Start of your code


                // Use a do .. while loop to loop until the user enters -1
                // Each time through the loop, add the number input by the user
                // to the sum. Make sure not to include the sentinal value in the
                // sum or count!
    do
    {


        cout << "Enter a grade, or a -1 to stop: ";
            cin >> grade;

            sum+= grade;

            count++;

    }

    while (grade != -1);
    {



    }
    // Find the average of the grades entered by the user
                // and print the result

    avg = (static_cast<double>(sum) / (static_cast<double>(count)));
    //avg = static_cast<double>(sum / count);
    cout << fixed << setprecision(1);
    cout << "The average is: " << avg << endl;


                // End of your code
                ////////////////////////////////

    system("pause");

    return 0;
}