LeetCode-150: Remove Duplicates from Sorted Array (Visualized Solutions)

In the world of coding interviews, array manipulation is a skill you can’t afford to skip. One classic problem that tests this skill is: Remove Duplicates from a Sorted Array, a staple in many interviewers’ toolkits.

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If you’ve been tackling LeetCode’s top problems, this one from Bitbee’s LeetCode 150 stands out as both approachable and insightful.

In my latest video, I break it down step by step, starting with the naïve approach and advancing to the optimized solution.

Problem Statement: What Are We Solving?

You’re given a sorted array and tasked with modifying it in-place so that each element appears only once. You also need to return the length of the updated array. While solving, you’re required to use constant extra space, which means no fancy data structures like hash sets!