I have to create a program that utilizes nested loops, sentinel and EOF loops. The program must find the maximum, minimum, and average of five class sections. The sentinel loop is a negative number (-1). The outer loop is an EOF loop, which should calculate the total arverage (average of the averges for each line). Each line should be a class section which contains a leading zero. The professor stated that string should be used to get the leading zero. Why can't the zero just be typed in? A hard copy of the C++ code, a hard copy of the output, and a disk with the source code must be turned in. What is the difference in the C++ code and the source code?

Typed in from where? The file? By definition of the problem, "Each line should be a class section which contains a leading zero" so the number must have a leading 0. If it doesn't, I assume there is an error. If you read the value as a number, you have no idea whether there was a leading 0 or not, therefore reading the number as a string is the only way to know for sure.

No difference. Two terms for the same thing.

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Thank you for the clarity.