Priority queue Program plan: Define a file “Priority.h” to declare operation and functions. Include the directives for header file. Declare a “PriorityQueue” template class. Define a template class named “Node”. Inside the access specifier “public”, define a constructor of class “Node”. Declare a friend class “PriorityQueue”. Inside the access specifier “private”, create an object for template. Declare an integer variable “priority” and create a pointer variable “*next”. Define a template class named “PriorityQueue”. Inside the access specifier “public”, Declare a constructor of class “PriorityQueue”. Declare the “add()” function to add items in the queue. Declare the “remove()” function to remove items from the queue. Declare the “isEmpty()” Boolean function to return the status of queue. Define a file “main().cpp” to call functions from “Priority.h” and perform all computations. Define a constructor of class “PriorityQueue()” to assign “null” to “head” of the queue. Define “add()” function to add new node onto the front of the queue. Define “remove()” function to remove the smallest priority from the queue. Define “isEmpty()” function to return “true” or “false” if the queue is empty. Define a “main()” function. Create an object for class “PriorityQueue”. Add and remove some items in the queue and print the result.

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Chapter 17, Problem 6PP

Program Plan Intro

Priority queue

Program plan:

Define a file “Priority.h” to declare operation and functions.

Include the directives for header file.

Declare a “PriorityQueue” template class.

Define a template class named “Node”.

Inside the access specifier “public”, define a constructor of class “Node”.

Declare a friend class “PriorityQueue”.

Inside the access specifier “private”, create an object for template.

Declare an integer variable “priority” and create a pointer variable “*next”.

Define a template class named “PriorityQueue”.

Inside the access specifier “public”, Declare a constructor of class “PriorityQueue”.

Declare the “add()” function to add items in the queue.

Declare the “remove()” function to remove items from the queue.

Declare the “isEmpty()” Boolean function to return the status of queue.

Define a file “main().cpp” to call functions from “Priority.h” and perform all computations.

Define a constructor of class “PriorityQueue()” to assign “null” to “head” of the queue.

Define “add()” function to add new node onto the front of the queue.

Define “remove()” function to remove the smallest priority from the queue.

Define “isEmpty()” function to return “true” or “false” if the queue is empty.

Define a “main()” function.

Create an object for class “PriorityQueue”.

Add and remove some items in the queue and print the result.

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