Sort Linked List By Quick Sort

easy
1. You are given a linked list with N nodes.
  2. You have to write a function that sorts the given Linked List using
     quicksort algorithm.
  3. Note: your function should take O(n^2) time in worst case and O(nLogn)
     in average and best cases, otherwise you may get TLE.
  4. display is a utility function which displays the contents of Linked List,
     feel free to use it for debugging purposes.
  5. main takes input from the users and creates the Linked List. You can use
     display to know its contents.
  6. This is a functional problem. 
  7. You should code only the quickSort function. It takes as input the
     head of the linked list. It should return the head of the sorted
     linked list.
  8. 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

Sorted Linked List. 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
4
1 9 3 8
Output
1 3 8 9
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