What is the solution of this question in C++ language?

Create a program to store a list of integer numbers dynamically through a singly linked list, your program should contain the following functions: 1- AddNode (int): Adds a new node at the end of the list. 2- Traverse0: Prints the values stored in the list. 3- float diffO:Returns the difference between the average of positive numbers and the average of negative numbers. Note: - Just attach the code for the third function in your answer. - You should also attach a screenshot of the program output