write in c++ Define the 3 bolded functions for the Queue (circular array): class Queue {   private:     double array[10000];     int front, rear, numItems;   public:     Queue() {front = numItems = 0; rear = -1;}     bool isEmpty();     bool isFull();     void enqueue(double d);     int dequeue();     void dequeueMany(int n);  //remove n values from the front     void enqueueMany(double values[], int n); //add n values from the array }; Hints: void dequeueMany(int n) (hint 6 lines of code, no loops, if there are more than n elements in the queue, use math to re-compute front. Otherwise, make the queue empty.  Don’t forget to update numItems. void enqueueMany(int values[], int n) (hint 3 lines of code, use a for loop, call another function, but make sure there’s enough room in the array first!! )

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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write in c++

Define the 3 bolded functions for the Queue (circular array):

class Queue {
  private:
    double array[10000];
    int front, rear, numItems;
  public:
    Queue() {front = numItems = 0; rear = -1;}
    bool isEmpty();
    bool isFull();
    void enqueue(double d);
    int dequeue();
    void dequeueMany(int n);  //remove n values from the front
    void enqueueMany(double values[], int n); //add n values from the array
};

Hints:

  • void dequeueMany(int n) (hint 6 lines of code, no loops, if there are more than n elements in the queue, use math to re-compute front. Otherwise, make the queue empty.  Don’t forget to update numItems.
  • void enqueueMany(int values[], int n) (hint 3 lines of code, use a for loop, call another function, but make sure there’s enough room in the array first!! )
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