Remove Duplicates In A Sorted Linked List

easy
 1. You are given a partially written LinkedList class.
2. You are required to complete the body of removeDuplicates function. The function is called on a sorted list. The function must remove all duplicates from the list in linear time and constant space
3. Input and Output is managed for you. 
                               

Input Format

Input is managed for you

Output Format

Output is managed for you

Constraints

1. Time complexity -> O(n)
2. Space complexity -> constant

Notice

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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
10
2 2 2 3 3 5 5 5 5 5
Output
2 2 2 3 3 5 5 5 5 5 
2 3 5 
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