Chapter 12, Problem 12.8E

Program Plan Intro

Program plan:

1. Item, start variablesare used for input. There is structure listnode having data, nextPtr member variables which represents the linked list node.
2. void insert(node **head, int value) function inserts the node in the a linked list.
3. void calculate (node *flist) functioncalculate the sum of the contents of the linked list and then calculate the average value and display the result.
4. void printList(node *head) function display the contents of the linked list.

Program description:

The main purpose of the program is to create linked list of 25 values which are generated randomly. Then sum and average of these values are calculated and displayed.