Starting Out With C++: Early Objects (10th Edition)
Starting Out With C++: Early Objects (10th Edition)
10th Edition
ISBN: 9780135235003
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Chapter 17, Problem 4PC
Program Plan Intro

Recursive Member Check

Program Plan:

  • Include the required specifications into the program.
  • Declare a class ListNode.
    • Declare the member variables “value” and “*p” in structure named “ListNode”.
    • The data value of node is stored in variable v and address to next pointer is stored in pointer p.
    • Declare the constructor, destructor, and member functions in the class.
    • Declare the structure variable “next” and a friend class Linked List.
  • Declare a class LinkList.
    • Function to insert elements into the linked list “void add(double n)” is defined.
    • Function to check whether a particular node with a data value n is a part of linked list or not “bool isMember(double n)”.
    • A destructor to check whether the data value entered is a member function or not is defined “bool isMember(double x){ return rIsMember(head, x);}~LinkedList()”.
    • Declaration of structure variable head to store the first node of the list “ListNode * head” is defined.
    • A function “void LinkedList::add(double n)” is defined which adds or inserts new nodes into the link list.
    • A function “bool LinkedList::isMember(double n)” is defined which  searches for a given data value within the nodes present in the link list.
    • A destructor “LinkedList::~LinkedList()” deallocates the memory for the link list.
    • A function “void LinkedList::print()” is used to print all the node data values present in the link list by traversing through each nodes in the link list.
    • A recursive member function check is defined called “bool LinkedList::rIsMember(ListNode *pList,double x)” .
      • If the data value entered is present within the link list, it returns true, else it returns false.
  • Declare the main class.
    • Create an empty list to enter the data values into the list.
    • Copy is done using copy constructor.
    • Input “5” numbers from user and insert the data values into the link list calling “void LinkedList::add(double n)” function.
    • Print the data values of the nodes present in the link list.
    • Check whether the data value entered is a member of the link list or not by calling “list1.isMember(x)” function.
      • If the data value entered is present within the link list, it prints member, else it prints not member.

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