Data Structures & Algorithms using JavaScript Course
Data Structures & Algorithms using JavaScript
/
Intermediate

Remove Duplicates

Definition

Removing duplicates from a sorted array in-place requires a 'slow' pointer (tracking where the next unique element should go) and a 'fast' pointer (scanning for new unique elements).

Explain Like I'm New

Having an empty box. Every time you see a new unique toy on the assembly line, you put it in the box. If you see the same toy 5 times, you ignore it.

Interactive Coding Challenges

Remove Duplicates from Sorted Array

Solution Code

Loading...
Console output will appear here...
O(N) Time, O(1) Space.