Algorithms Quiz | SP Contest 3 | Question 2
What is the minimum number of queues needed to implement a stack? We are not allowed to use any other data structure and also not allowed to use recursion. We may assume that given queue has basic functions like enqueue(), dequeue(), size(), isEmpty()
(A) 1
(B) 2
(C) 3
(D) 4
Answer: (A)
Explanation: https://www.geeksforgeeks.org/implement-a-stack-using-single-queue/
Quiz of this Question
Last Updated :
25 Jul, 2018
Like Article
Save Article
Share your thoughts in the comments
Please Login to comment...