Remove Duplicates
Explore how to remove duplicate values from a singly linked list using a hash table or Python dictionary. Understand the algorithm to track seen elements while traversing the list, then implement this solution with step-by-step code to maintain unique nodes in your linked list.
We'll cover the following...
We'll cover the following...
In this lesson, we will use a hash table to remove all duplicate entries from a single linked list. For instance, if our singly linked list looks like this:
1 - 6 - 1 - 4 - 2 - 2 - 4
Then the desired resulting singly linked list should take the form:
1 - 6 - 4 - 2
Below is another example to illustrate the concept of removing duplicates:
Algorithm
The general approach to solve this problem is to loop ...