Challenge: Remove Duplicates from Linked List - Hashing

Try to solve the Remove Duplicates from Linked List - Hashing problem.

We'll cover the following

Statement

Given the head of a singly linked list, remove any duplicate nodes from the list in place, ensuring that only one occurrence of each value is retained in the modified list.

Constraints:

Let n be the number of nodes in a linked list.

  • 0≤0 \leq n ≤500\leq 500
  • −5000≤-5000 \leq Node.value ≤5000\leq 5000

Examples

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