Comp 1672
Homework 6
Due Tuesday, Feb 25, 2003

1.  Do problem 4 on page 593, with the following modifications:
    Add a copy constructor to the class definition, and implement it,
    and add an operator= function to the class and implement it.
    Use the member initializer list to initialize the variables in any
    constructor that initializes variables.

2.  page 725 problem 1 (skip part f) 

3.  page 726 problem 4

4.  page 726 problem 7 - first tell me the output of the code.  Next,
    this code has a programming error - what is the problem and how would
    you fix it?