C ++ Language

The class PQueue is a linked implementation of a queue with two node pointers, head and tail. Nodes are made-up of an item containing data value and a pointer to another node.

a) Write an enqueue method to add items to the queue.

b) Write a dequeue method to remove an item from the queue with returning the item removed from the queue.

c) Describe what would happen with your implementation of a queue of PQueue type if you engueued two items and tried to dequeuer three items.

( Dear chegg expert, please try whatever you can and post the answer in 60 minutes. I want to copy and paste the answer)