A. Adds an element to the top of the stack
B. Removes the top element from the stack
C. Retrieves the top element without removing it
D. Resizes the stack
Answer: Option A
This Question Belongs to Data Structure >> Stacks In Data Structures
What is the time complexity of push operation in a stack implemented using an array?
A. O(1)
B. O(n)
C. O(log n)
D. O(n log n)
What is the stack's behavior when it's described as LIFO?
A. Last In First Out
B. Last In Last Out
C. First In First Out
D. First In Last Out
How can you implement a stack using a linked list?
A. By using a singly linked list
B. By using a doubly linked list
C. By using a circular linked list
D. All of the above
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