Suppose we perform the following operations on a Stack: (push 1) (push 2) (push 3) (pop) (pop) (push 4) (pop) (pop)
What is the order of the items that come out?

  • A: 1, 2, 3, 4
  • B: 4, 3, 2, 1
  • C: 2, 3, 1, 4
  • D: 3, 2, 4, 1
  • E: 2, 3, 4, 1

    Answer

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