Software suppliers are trying to make their software packages more ‘user-friendly’… Their best approach so far has been to take all the old brochures and stamp the words ‘user-friendly’ on the cover. Bill Gates
Write a program to swap alternative nodes in the singly linked list. Linked list node contains data and link to the next node. The utility function takes the linked list head node and returns the swapped linked list head node. The display function iterate all the nodes and display the values.
Ex 1->2->3-4>5 it should swap 2->1->3-4>5.
Print the list of items: 21->52->33->21->67->NULL Print the list of items after pairwise Swap: 52->21->21->33->67->NULL