Assignment 4 – Priority Queue in C++

Description:
Implement a priority queue capable of determining what order a list of peopleshould be served given a numeric value. The highest priority should be given topersons with larger values (ordered largest to smallest). The priority queue shouldbe written using a C++ class, named PQueue, and the queue itself should beimplemented as a linked list similar to how we implemented queues/stacks inlecture.The following classes should be defined by your program:class Person : Used to store information about each personclass PQueue : Priority queue used to serve peopleThe following public functions need to be implemented:Person::Person( int, string ) : Initialize the personPQueue::PQueue( void ) : Initialize the priority queuebool PQueue::empty( void ) : Test whether queue is emptyint PQueue::size( void ) : Return sizePerson* PQueue::front( void ) : Access next nodePerson* PQueue::back( void ) : Access last nodevoid PQueue::enqueue( Person* ) : Insert nodevoid PQueue::dequeue( void ) : Remove node** Do not change names, as it will interfere with grading.Like your other programs, it will need to read information from a file. The file will bestructure as follows:int stringIt will contain n lines with each line consisting of an integer followed by one spacefollowed by a string. The integer will designate the priority assigned to theparticular person and the string will designate that person’s name.
Example:
$ cat sample.txt967 Lawrence17 Cliff17 Eldon227 Megan$ g++ pqueue_solution.cpp$ ./a.outServing Lawrence...Serving Megan...Serving Cliff...Serving Eldon...
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