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Solution: Remove Duplicates from Linked List - Hashing

Understand how to remove duplicate nodes from a singly linked list by using a hash table to track visited values. This lesson provides a step-by-step explanation of traversing the linked list, checking for duplicates with constant time hashmap lookups, and modifying the list in place to retain unique values only.

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.

  • 00 \leq n 500\leq 500
  • 5000-5000 \leq
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