Remove Duplicates From Sorted Array In O(n) Time
Remove duplicates from sorted array in-place: use two-pointer technique, initialize k=1, iterate through array & copy unique elements to nums[k], return k for count of unique elements.
Top Interview 150 When working with sorted arrays, one common interview problem is removing duplicates in-place while maintaining the relative order of elements. Let’s break down LeetCode 26: Remove Duplicates from Sorted Array and walk through an efficient solution in JavaScript. 🚀 Problem Description Given an integer array nums sorted in non-decreasing order, remove duplicates in-place so that each unique element appears only once. Return the count of unique elements (k) and modify the array so the first k elements contain the unique values. The rest of the array doesn't matter. 💡 Examp...