Which of the following permutation can be obtained in the same order using a stack assuming that input is the sequence 3, 4, 2, 1, 5 in that order?
Note: Any element can be pushed only once in the stack.
(A) 2, 1, 3, 4, 5
(B) 5, 3, 4, 2, 1
(C) 1, 5, 3, 4, 2
(D) 2, 1, 5, 4, 3
Answer: (D)
Explanation: https://www.neveropen.co.uk/stack-permutations-check-if-an-array-is-stack-permutation-of-other/
Quiz of this Question
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
