Multiple choice

The initial configuration of queue is a,b,c,d ('a' is at the front). To get the configuration d, c, b, a, one needs a minimum of

  1. 2 decletions and 3 additions

  2. 3 deletions and 2 additions

  3. 3 deletions and 3 additions

  4. 3 deletions and 4 additions
Reveal answer Fill a bubble to check yourself
C Correct answer

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