What will be the value of variable a after the following statements are executed: Node *curNode=head; int a; curNode=curNode->getNext(); head->setNext(curNode); head=head->getNext(); a=head->getItem();

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter18: Stacks And Queues
Section: Chapter Questions
Problem 21SA
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Assume a linked list contains following integers: 4, 2, 6, 5, 8, 3, 15 and the pointer head is pointing to the first node of the list. What will be the value of variable a after the following statements are executed:

Node<int> *curNode=head;

int a;

curNode=curNode->getNext();

head->setNext(curNode);

head=head->getNext();

a=head->getItem();

 

A.2

B.4

C.6

D.15

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