A

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

  • (A) 2 deletions and 3 additions
  • (B) 3 additions and 2 deletions
  • (C) 3 deletions and 3 additions
  • (D) 3 deletions and 4 additions

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