Remove Duplicates

In this lesson, we will learn how to remove duplicates from a linked list.

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:

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