Suppose we perform the following operations on a Queue: (insert 1) (insert 2) (insert 3) (remove) (remove) (insert 4) (remove) (remove) 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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