7) Consider a Linked List class called LL, that has a Node pointer (Node*) called head. A Node is a struct composed of an integer element called value and a Node pointer to the next Node called next. The last Node's next is nullptr. Fill in functions A and B below. Note: You do NOT need to implement other functions of LL. struct Node { int value; Node* next; } class LL { private: Node* head; public: void insertAtFront(int num); void deleteRear(int num); }; // Function A: insert a node with value num at the front of the list. void LL:insertAtFront(int num) { //provide your code here } /* Function B: delete the last node in the list. If the list is empty when this is called, print an error message (çcout) stating so instead of deleting anything. Your function must not cause a memory leak! */ void LL::deleteRear(int num) // insert a node with value num at the front of the list. { //provide your code here

7) Consider a Linked List class called LL, that has a Node pointer (Node) called head. A Node is a struct composed of an integer element called value and a Node pointer to the next Node called next. The last Node's next is nullptr. Fill in functions A and B below. Note: You do NOT need to implement other functions of LL. struct Node { int value; Node next; } class LL { private: Node* head; public: void insertAtFront(int num); void deleteRear(int num); }; // Function A: insert a node with value num at the front of the list. void LL:insertAtFront(int num) { //provide your code here } /* Function B: delete the last node in the list. If the list is empty when this is called, print an error message (çcout) stating so instead of deleting anything. Your function must not cause a memory leak! */ void LL::deleteRear(int num) // insert a node with value num at the front of the list. { //provide your 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

Section: Chapter Questions

Problem 1PE

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Question

7) Consider a Linked List class called LL, that has a Node pointer (Node*) called head. A
Node is a struct composed of an integer element called value and a Node pointer to the
next Node called next. The last Node's next is nullptr. Fill in functions A and B below.
Note: You do NOT need to implement other functions of LL.
struct Node
{
int value;
Node* next;
}
class LL
{
private:
Node* head;
public:
void insertAtFront(int num);
void deleteRear(int num);
};
// Function A: insert a node with value num at the front of the list.
void LL:insertAtFront(int num)
{
//provide your code here
}
/* Function B: delete the last node in the list. If the list is empty when this is called, print
an error message (çcout) stating so instead of deleting anything. Your function must not cause a
memory leak! */
void LL::deleteRear(int num) // insert a node with value num at the front of the list.
{
//provide your code here

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