Consider these functions:

push() : push an element into the stack

pop() : pop the top-of-the-stack element

top() : returns the item stored in top-of-the-stack-node

What will be the output after performing these sequence of operations

Given below is the Node class to perform basic list operations and a Stack class with a no arg constructor.

Select from the options the appropriate pop() operation that can be included in the Stack class. Also ‘first’ is the top-of-the-stack.

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This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structure Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	Consider these functions:
A.	push() : push an element into the stack
B.	pop() : pop the top-of-the-stack element
C.	top() : returns the item stored in top-of-the-stack-node
D.	What will be the output after performing these sequence of operations
Answer» E.

Discussion

2.	Given below is the Node class to perform basic list operations and a Stack class with a no arg constructor.
A.	Select from the options the appropriate pop() operation that can be included in the Stack class. Also ‘first’ is the top-of-the-stack.
Answer» B.

Discussion