Top Algorithm Interview Questions Fully Explained; remove duplicates from an array

In this video of our interview reparation series, we are faced with a sorted array and we need to 1. return the number of unique values and 2. move all these non-duplicated values to the beginning of the array; in place.

• 150 question: https://leetcode.com/studyplan/top-interview-150/
• this question on leetcode: https://leetcode.com/problems/remove-duplicates-from-sorted-array/description/?envType=study-plan-v2&envId=top-interview-150 ... https://www.youtube.com/watch?v=BQ6hWnAbKCA