//Fig 2.7 
//Class av avec counter-controlled repetition

//Aft3er trying this exercise on my own as a straight cout, I am trying this

#include <iostream.h>

int main()
{
	int total,			//sum of grades
		gradecounter,	//number of grades entered
		grade,			//one grade mark of student
		average;		//average of summed up grades

	//initialization phase
	
	total = 0;					//total has been cleared from memnory to zero
	gradecounter = 1;			//goes to one - prepare to loop

	//processing phase

	while ( gradecounter <= 10 )//repeat up to 10 times
	{
		cout << "Enter grade: ";//ask for another grade
		cin >> grade;			//input a grade mark
		total = total + grade;  //add grade to perpetual total
		gradecounter = gradecounter + 1; //set counter to increments of one
	}

	//termination phase

	average = total / 10;		//integer division task
	cout << "Class average is " << average << endl;

	return 0;					//indicate program ended successfully
}