How would you implement a stack that supports minimum element retrieval in constant time?
A. Use an additional stack to keep track of minimums
B. Use a doubly linked list
C. Use a hash table to store minimums
D. Use a binary search tree
Answer: Option A
This Question Belongs to Data Structure >> Stacks In Data Structures
Related Questions on 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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