Algorithms Quiz | SP Contest 3 | Question 3
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.zambiatek.co.uk/stack-permutations-check-if-an-array-is-stack-permutation-of-other/
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