C++ DOUBLY LINKED LIST: Implement the remove_between function for my code: This function removes the inserted/ added node in the add_between function. Provided code: class DoublyLinkedList : public List {     node* head;     node* tail;     int index;     node* create_node(int num, node* predecessor, node* successor) {         node* n = (node*) malloc( sizeof(node) );         n->element = num;         n->next = successor;         n->prev = predecessor;         return n;     }     void add_between(int num, node* predecessor, node* successor) {         node* newest = create_node(num, predecessor, successor);         predecessor->next = newest;         successor->prev = newest;         index++;     }     void remove_between(int num, node* predecessor, node* successor) {       ///// CODE HERE     }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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C++ DOUBLY LINKED LIST:

Implement the remove_between function for my code:

  • This function removes the inserted/ added node in the add_between function.

Provided code:

class DoublyLinkedList : public List {
    node* head;
    node* tail;
    int index;

    node* create_node(int num, node* predecessor, node* successor) {
        node* n = (node*) malloc( sizeof(node) );
        n->element = num;
        n->next = successor;
        n->prev = predecessor;
        return n;
    }

    void add_between(int num, node* predecessor, node* successor) {
        node* newest = create_node(num, predecessor, successor);
        predecessor->next = newest;
        successor->prev = newest;
        index++;
    }

    void remove_between(int num, node* predecessor, node* successor) {


      ///// CODE HERE

    }

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