You are trying to insert node B between A and C. Which of the following pieces of code will correctly do so?
You are trying to insert node B between A and C. Which of the following pieces of code will correctly do so?
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
c++
![A
2
4
NULL
Data
Data
next
Data
next
Data
next
next
В
Data
Snext
Нead
prev
curr
You are trying to insert node B between A and C.
Which of the following pieces of code will correctly do so?
Option 1:
prev->next = curr;
curr->next =
prev->next;
Option 2:
curr->next = prev->next;
prev->next = curr;
Option 3:
curr->next = prev;
prev->next = curr;
Option 4:
prev->next = curr;
curr->next = prev;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f09483b-8306-4114-863e-fc54268e6494%2F06d39caa-f9da-45ad-990b-8e360ff72648%2Fgbdxm7h_processed.png&w=3840&q=75)
Transcribed Image Text:A
2
4
NULL
Data
Data
next
Data
next
Data
next
next
В
Data
Snext
Нead
prev
curr
You are trying to insert node B between A and C.
Which of the following pieces of code will correctly do so?
Option 1:
prev->next = curr;
curr->next =
prev->next;
Option 2:
curr->next = prev->next;
prev->next = curr;
Option 3:
curr->next = prev;
prev->next = curr;
Option 4:
prev->next = curr;
curr->next = prev;
![temp1
temp4
1
2
3
4
NULL
Data
next
Data
next
Data
next
A
temp2
temp3
Head
Given a linked list above, we would lik
to insert a new node A at the start of the list.
hich of the following code segments are correct?
elect
all that applies. Notice that pointer temp1 and temp2 point to node A, pointer temp3 and temp4 point to the original first node.
O temp1->next = temp4;
head = temp2;
O head = head->next;
temp2->next = head;
O head = temp1;
head -> next = temp3 ;
O temp1 -> next = head;
head = temp1;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f09483b-8306-4114-863e-fc54268e6494%2F06d39caa-f9da-45ad-990b-8e360ff72648%2Fvt0xx8k_processed.png&w=3840&q=75)
Transcribed Image Text:temp1
temp4
1
2
3
4
NULL
Data
next
Data
next
Data
next
A
temp2
temp3
Head
Given a linked list above, we would lik
to insert a new node A at the start of the list.
hich of the following code segments are correct?
elect
all that applies. Notice that pointer temp1 and temp2 point to node A, pointer temp3 and temp4 point to the original first node.
O temp1->next = temp4;
head = temp2;
O head = head->next;
temp2->next = head;
O head = temp1;
head -> next = temp3 ;
O temp1 -> next = head;
head = temp1;
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