$2$

Problem $1$: Implement the following operation as a nonmember function of the templated class Que $($Queue$.h$ given below$)$ based on linked nodes:

length $(........)$

Function:

Precondition:

Postconditions:

Determines the number of items in the queue.

Queue has been initialized.

Queue is unchanged. Returns the number of items in a queue.private:NodeType $$ ItemType $>**$ qFront;

NodeType$>*$ qRear;