Chapter 13, Problem 18SA

Explanation of Solution

The following code shows the error and the corrected statement in the program:

class discover //Line 1

{ //Line 2

    friend discover operator+(const discover& a,

        const discover& b); //Line 4 - corrected version

        //the function must be declared as a friend function

        //Returns the object containing the

        //sum of the corresponding members

        //of the objects a and b...