//	Begin Psuedocode Design



//	Author: Liam Smith
//	Date: 02/03/06
//	Version: Assignment 2 Pseudocode Design
//	Lecturer: Digby Barrett & Kim Ng
//	Objective: Read in fuel consumtion figures for various cars in litres
//			   per 100 Kilometres until a negetive value is input.
//			   The fuel consumption figures will be floating-point
//			   data. The negetive value is a SENTINEL value and is
//			   NOT to be processed.
//
//			   Print out the number of cars with:
//			   good consumption (less than 7)
//			   fair consumption (7 to 10) 
//			   poor consumption (over 10)



while cons = more0

	write("Enter fuel consumption")
	read(cons)

			if(cons = 0 to 7)
			good+1
			end if

	else	if(cons = 7 to 10)
			fair+1
			end if

	else	if(temp = more 10)
			poor+1
			end if

	else	if(temp = less 0)
			poor+1
			end if

end while

	total=total+good+fair+poor+inval
	

	write("Good consumption = [good]")
	write("Fair consumtion = [fair]")
	write("Poor consumption = [poor]")
	
	write("Invalid entries = [inval]")

	write("Total = [total]")




//	End Psuedocode Design





//	Begin Trace Table




//	Author: Liam Smith
//	Date: 02/03/06
//	Version: Assignment 2 Trace Table
//	Lecturer: Digby Barrett & Kim Ng
//	Objective: Read in fuel consumtion figures for various cars in litres
//			   per 100 Kilometres until a negetive value is input.
//			   The fuel consumption figures will be floating-point
//			   data. The negetive value is a SENTINEL value and is
//			   NOT to be processed.
//
//			   Print out the number of cars with:
//			   good consumption (less than 7)
//			   fair consumption (7 to 10) 
//			   poor consumption (over 10)


			        	 	
  Input  |  while>0  |  if>0&<7  |  if>7&<10  |  if>10  |  Output
---------|-----------|-----------|------------|---------|-----------
   6.3   |   True    |   True    |   False    |  False  | Cons=Good
         |           |           |            |         |
  10.0   |   True    |   False   |   True     |  False  | Cons=Fair
         |           |           |            |         |
   7.0   |   True    |   False   |   True     |  False  | Cons=Fair
         |           |           |            |         |
   7.1   |   True    |   False   |   True     |  False  | Cons=Fair
         |           |           |            |         |
   8.6   |   True    |   False   |   True     |  False  | Cons=Fair
         |           |           |            |         |
  12.3   |   True    |   False   |   False    |  True   | Cons=Poor
         |           |           |            |         |
  11.2   |   True    |   False   |   False    |  True   | Cons=Poor
         |           |           |            |         |
   6.4   |   True    |   True    |   False    |  False  | Cons=Good
         |           |           |            |         |
  -8.0   |   False   |   False   |   False    |  False  |  ------





//	End Trace Table






//	Begin CPP Code




//	Author: Liam Smith
//	Date: 02/03/06
//	Version: 1.0
//	Lecturer: Digby Barrett & Kim Ng
//	Objective: Read in fuel consumtion figures for various cars in litres
//			   per 100 Kilometres until a negetive value is input.
//			   The fuel consumption figures will be floating-point
//			   data. The negetive value is a SENTINEL value and is
//			   NOT to be processed.
//
//			   Print out the number of cars with:
//			   good consumption (less than 7)
//			   fair consumption (7 to 10) 
//			   poor consumption (over 10)


#include<iostream.h>
int main()
	{
// Identifiers and their values.
		float cons=0;
		int good=0,
		    fair=0,
		    poor=0,
		    inval=0,
		    total=0;
		
// While loop will loop until an value less than 0 is entered.
		while (cons>=0)
			{
// "cout" display's a promt or a message, "cin" allows the user to input data.
			 cout<<"\n Enter fuel consumption in litres per 100km:";
			 cin>>cons;
					
// "if" gives a condition, if the condition is true an action is performed, if
// the condition is false the next condition is tested.		
			 if (cons>=0 && cons<7)
				good++;
	
// "else" tests the next "if" condition, only if the previous "if" was false.
	else	
			if (cons>=7 && cons<=10)
				fair++;
	else
			if (cons>10)
				poor++;
	else
			if (cons<0)
				inval++;
			}

// Total is equal to "good, fair and poor" consumption and invalid entries
// added together.
		total=total+poor+fair+good+inval;


		cout<<"\n -----------------------------";
		cout<<"\n Good Fuel Consumption ="<<good;
		cout<<"\n Fair Fuel Consumption ="<<fair;
		cout<<"\n Poor Fuel Consumption ="<<poor;
		cout<<"\n -----------------------------";
		cout<<"\n Invalid Entries ="<<inval;
		cout<<"\n -----------------------------";
		cout<<"\n Total:"<<total;
		cout<<"\n -----------------------------"<<endl<<endl;
		
// "return" takes you back to the top of the code.	
		return 0;
}





//	End CPP Code