cribe the following code. Node *pre = new Node; Node *cur = new Node; Node *temp = new Node; cur = head; for (int i=1;inext; temp->data=value; pre->next=temp; temp->next=cur; ect one: a. A function that will insert a node in an arbitrary position b. Identifies the current and previous data element in the linked list c. None of the choices

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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Subject is C++ Programming
Describe the following code.
{
Node *pre = new Node;
Node *cur = new Node;
Node *temp = new Node;
cur = head;
for (int i=1;i<pos;i++)
{
pre = cur;
cur = cur->next;
temp->data=value;
pre->next=temp;
temp->next=cur;
Select one:
a. A function that will insert a node in an arbitrary position
O b. Identifies the current and previous data element in the linked list
c. None of the choices
O d. Traverse a linked list
Transcribed Image Text:Describe the following code. { Node *pre = new Node; Node *cur = new Node; Node *temp = new Node; cur = head; for (int i=1;i<pos;i++) { pre = cur; cur = cur->next; temp->data=value; pre->next=temp; temp->next=cur; Select one: a. A function that will insert a node in an arbitrary position O b. Identifies the current and previous data element in the linked list c. None of the choices O d. Traverse a linked list
Describe the following code.
Node *current=new Node;
Node *previous=new Node;
current=head;
while (current->next!=NULL)
{
previous=current;
current=current->next;
tail=previous;
previous->next=NULL;
delete current;
Select one:
a. Delete all the elements
b. Delete the header and the current element of the linked list
c. None of the choices
O d. Delete an element on a particular position
Transcribed Image Text:Describe the following code. Node *current=new Node; Node *previous=new Node; current=head; while (current->next!=NULL) { previous=current; current=current->next; tail=previous; previous->next=NULL; delete current; Select one: a. Delete all the elements b. Delete the header and the current element of the linked list c. None of the choices O d. Delete an element on a particular position
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