1. You are given a linked list with N nodes.
2. You have to write a function that swaps elements of the list pairwise.
3. main takes input from the users and creates the Linked List. You can use
display to know its contents.
4. This is a functional problem.
5. You should code only the pairwiseSwap function. It takes as input the
head of the linked list.
6. Don't change the code of Node, main and display.Input Format
First line takes N, the number of elements in the list. Next line takes input N space separated numbers reperesenting elements of the linked list. Input is handled for you.
Output Format
Linked List with pairwise elements swapped Output is handled for you.
Constraints
1 <= N <= 300
Notice
Try First, Check Solution later
1. You should first read the question and watch the question video.2. Think of a solution approach, then try and submit the question on editor tab.3. We strongly advise you to watch the solution video for prescribed approach.Example
Input
8 1 2 2 4 5 6 7 8
Output
2 1 4 2 6 5 8 7