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Implement the insertFirst member function of the LinkedList class. Your header will be void LinkedList::insertFirst (int d) The job of insertFirst is to create a new Node with data equal to d and insert the Node at the front of the list. Don't forget to update headPtr and Ilength. Also make sure you handle the case where the list is initially empty. Additional Notes: Regarding your code's standard output, Codelab will check for case errors and will check whitespace (tabs, spaces, newlines) exactly.

Implement the insertFirst member function of the LinkedList class. Your header will be void LinkedList::insertFirst (int d) The job of insertFirst is to create a new Node with data equal to d and insert the Node at the front of the list. Don't forget to update headPtr and Ilength. Also make sure you handle the case where the list is initially empty. Additional Notes: Regarding your code's standard output, Codelab will check for case errors and will check whitespace (tabs, spaces, newlines) exactly.

Database System Concepts
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
Section: Chapter Questions
Problem 1PE
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**Implementing the `insertFirst` Member Function of the `LinkedList` Class** The task is to implement the `insertFirst` member function in the `LinkedList` class. The function header is defined as follows: ```cpp void LinkedList::insertFirst(int d) ``` **Objective:** The primary goal of the `insertFirst` function is to create a new node with the given data `d` and insert this node at the beginning of the linked list. You must update the following: - `headPtr`: Ensure that this pointer references the new node at the start of the list. - `length`: Update this to reflect the new size of the list. **Edge Cases:** Consider handling cases where the list might initially be empty, ensuring proper assignment of pointers and length adjustments. **Additional Notes:** Ensure that your code adheres to standard output formatting. CodeLab will conduct checks for case errors and also verify whitespace (including tabs, spaces, and newlines) accuracy. **Code Implementation Area:** ```cpp void LinkedList::insertFirst(int d) { // Implementation will be here } ``` **User Interface Options:** - Toggle between visible newlines and visible whitespace for better formatting insights. - Display standard input if needed. - An interactive session checkbox is available for dynamic feedback. **Controls:** - A `Submit` button is present for submitting the implemented code. This setup is designed to help you effectively implement and test the `insertFirst` function in an educational coding environment.
Transcribed Image Text:**Implementing the `insertFirst` Member Function of the `LinkedList` Class** The task is to implement the `insertFirst` member function in the `LinkedList` class. The function header is defined as follows: ```cpp void LinkedList::insertFirst(int d) ``` **Objective:** The primary goal of the `insertFirst` function is to create a new node with the given data `d` and insert this node at the beginning of the linked list. You must update the following: - `headPtr`: Ensure that this pointer references the new node at the start of the list. - `length`: Update this to reflect the new size of the list. **Edge Cases:** Consider handling cases where the list might initially be empty, ensuring proper assignment of pointers and length adjustments. **Additional Notes:** Ensure that your code adheres to standard output formatting. CodeLab will conduct checks for case errors and also verify whitespace (including tabs, spaces, and newlines) accuracy. **Code Implementation Area:** ```cpp void LinkedList::insertFirst(int d) { // Implementation will be here } ``` **User Interface Options:** - Toggle between visible newlines and visible whitespace for better formatting insights. - Display standard input if needed. - An interactive session checkbox is available for dynamic feedback. **Controls:** - A `Submit` button is present for submitting the implemented code. This setup is designed to help you effectively implement and test the `insertFirst` function in an educational coding environment.
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