Refer to the input circular doubly linked list below, variable cur points to Node B, and variabl newNode points to a created node object that contains the data element D. Input Doubly Circular Linked List with Dummy No OOO O next ● X prev head A Prev cur next B prev next • D prev • TRERT C przy
Refer to the input circular doubly linked list below, variable cur points to Node B, and variabl newNode points to a created node object that contains the data element D. Input Doubly Circular Linked List with Dummy No OOO O next ● X prev head A Prev cur next B prev next • D prev • TRERT C przy
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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Transcribed Image Text:Refer to the input circular doubly linked list below, variable cur points to Node B, and variable
newNode points to a created node object that contains the data element D.
Input Doubly Circular Linked List with Dummy Node
Inext
ooooo
•
X
prev
head
A
Prev
cur
next
B
prev
next •
D
prev.
Taxt
C
przy
new Node
Question: if we like to insert(and wire in) newNode after cur, what sequences of operations we
should perform?
O newNode.next=cur; newNode.prev = cur.prev; cur.prev=newNode; cur.prev.next=newNode;
O newNode.next=cur.next; newNode.prev = cur; cur.next=newNode; cur.next.prev=newNode;
OnewNode.next=cur; newNode.prev = cur.prev; cur.prev.next=newNode; cur.prev=newNode;
newNode.next-cur; newNode.prev = cur.prev; cur.next.prev=newNode; cur.prev=newNode;
O newNode.next=cur.next; newNode.prev = cur; cur.next.prev=newNode; cur.next=newNode;
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