Which of the following code segments would correctly remove the first node (and free its memory) from the linked list. Pointers A and B point to the first and second nodes of the linked list respectively. Select all that apply. 1 2 3 4 NULL Data next Data next Data next Data next Head A В

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter2: Basic Elements Of C++
Section: Chapter Questions
Problem 17PE: 17. Redo Programming Exercise 16 so that the user can also input the cost of producing one liter of...
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Which of the following code segments would correctly remove the first node (and free its memory) from the linked list. Pointers A and B
point to the first and second nodes of the linked list respectively. Select all that apply.
1
2
3
NULL
Data
next
Data
next
Data
next
Data
next
Не
А
В
O delete A;
Head = A->next;
O Head = Head->next;
delete B;
O Head = B;
delete A;
O delete Head;
Head = B;
O Head = Head->next;
delete Head;
Transcribed Image Text:Which of the following code segments would correctly remove the first node (and free its memory) from the linked list. Pointers A and B point to the first and second nodes of the linked list respectively. Select all that apply. 1 2 3 NULL Data next Data next Data next Data next Не А В O delete A; Head = A->next; O Head = Head->next; delete B; O Head = B; delete A; O delete Head; Head = B; O Head = Head->next; delete Head;
What is the output of the following code?
#include <iostream>
using namespace std;
int main(){
int a =
10;
int b = 15;
int c = 5;
int
*
ра
&a;
int * pb
&b;
int
*
pc = &c;
pb
= pa;
pa = pc;
IL II
II II
cout << *pa « "," << *pb << "
," « *pc << endl;
}
Transcribed Image Text:What is the output of the following code? #include <iostream> using namespace std; int main(){ int a = 10; int b = 15; int c = 5; int * ра &a; int * pb &b; int * pc = &c; pb = pa; pa = pc; IL II II II cout << *pa « "," << *pb << " ," « *pc << endl; }
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