Q122
Consider you have a stack whose elements in it are as follows. 5 4 3 2 << top Where the top element is 2. You need to get the following stack 6 5 4 3 2 << top The operations that needed to be performed are (You can perform only push and pop):
A.
Push(pop()), push(6), push(pop())
AnswerB.
Push(pop()), push(6)
C.
Push(pop()), push(pop()), push(6)
D.
Push(6)
Answer: Option A
Solution
Answer: Option A
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