//	Begin Psuedocode Design




Author: Liam Smith
//	Date: 02/03/06
//	Version: Assignment 3 Pseudocode Design
//	Lecturer: Digby Barrett & Kim Ng
//	Objective: Read in grades for 10 students.
//			   Make sure each grade is between 0 and 100.
//			    (i.e. Validate the  input)
//
//			   Print the average of all students who passed,
//			   and theaverage of all students who failed.



for student = less10

	do
	write("Enter grade")
	read(grade)
	end do

	while(grade = less0 or more100)
	
				if(grade = less50)
				fail=fail+grade
				failav+1
				end if

		else	if(grade = more50)
				pass=pass+grade
				passav+1
				end if

end for

	pass=pass/passav
	fail=fail/failav

	write("Number of fails = [failav]")
	write("Average fail grade = [fail]")

	write("Number of passes = [passav]")
	write("Average pass grade = [pass]")



//	End Psuedocode





//	Begin CPP Code



//	Author: Liam Smith
//	Date: 02/03/06
//	Version: 1.1
//	Lecturer: Digby Barrett & Kim Ng
//	Objective: Read in grades for 10 students.
//			   Make sure each grade is between 0 and 100.
//			    (i.e. Validate the  input)
//
//			   Print the average of all students who passed, and the
//			   average of all students who failed. 


#include <iostream.h>
int main()
	{
//	Identifiers and their values.
		int grade=0, 
			student=1, 
			pass=0, 
			fail=0,  
			passav=0, 
			failav=0;

// "For" loop continues while the student value is less than or equal to 10, each
// time it loops it adds 1 to the student value.
	for (student;student<=10;student++)
	{
	 do
	{
			
// "cout" display's a promt or a message, "cin" allows the user to input data.
			cout<<"\n Enter a grade for student "<<student<<":";
			cin>>grade;
         }
		 while (grade<0 || grade>100);
// "if" gives a condition, if the condition is true an action is performed and
// the "for" loop is repeated, with a "cout" promt.
			if (grade<50)
				{fail=fail+grade;
				 failav++;
				}

// "else" tests the next "if" condition, only if the previous "if" was false.
		else
			if (grade>=50)
				{pass=pass+grade;
				 passav++;
				}
		
		 
	}
	pass=pass/passav;
	fail=fail/failav;
		
		cout<<"\n ------------------------------------------";
		cout<<"\n Number of students who failed ="<<failav;
		cout<<"\n Average grade of students who failed ="<<fail;
		cout<<"\n ------------------------------------------";
		cout<<"\n Number of students who passed ="<<passav;
		cout<<"\n Average grade of students who passed ="<<pass;
		cout<<"\n ------------------------------------------"<<endl<<endl;



// "return" takes you back to the top of the code.
			return 0;
}





// 	End CPP Code