Answer to Question #314880 in Functional Programming for Akash srivastava

Question

Remove Duplicates from doubly linked list

Problem Statement

Given a sorted doubly linked list containing n nodes. Your task is to remove duplicate nodes from the given list.

Example 1:

Input

1<->2<->2-<->3<->3<->4

Output:

1<->2<->3<->4

Example 2:

Input

1<->1<->1<->1

Output

1

Input

User Task:

Since this will be a functional problem, you don't have to take input. You just have to complete the function deleteDuplicates() that takes head node as parameter.

Constraints:

1 <=N <= 10000

1 <= Node. data<= 2*10000

Output

Return the head of the modified list.

Answer 1

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