// CSE240 Spring 2021 HW8// Write your name here// Write the compiler used: Visual studio or g // READ BEFORE YOU START:// You are given a partially completed program which consist of a class 'Book' defined in book. h// The definitions of class member functions are to be filled in book. cpp (this file).// hw08q1.c creates an array of objects 'b[]' and uses a menu driven program to adda book, display book info, // sort the book list and to find the book with the longest title among the books whose bookType contain a specific substring.// You should start completing the program from from Q1. Question numbers are givenaround line 24.// To begin, you should trace through the given code and understand how it works.// Please read the instructions above each required function and follow the directions carefully.// If you modify any of the given code, the return types, or the parameters, you risk getting compile error.// WRITE COMMENTS FOR IMPORANT STEPS OF YOUR CODE. // GIVE MEANINGFUL NAMES TO VARIABLES.