## Discussion Forum

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

a. | 2 deletions and 3 additions |

b. | 3 deletion and 2 additions |

c. | 3 deletions and 3 additions |

d. | 3 deletions and 4 additions |

Answer:3 deletions and 3 additions |