Solution: Remove Duplicates from Sorted Array
Explore how to use the two pointers technique to remove duplicates from a sorted array in-place. Understand the step-by-step process to maintain unique elements and preserve order, while optimizing for time and space complexity.
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Statement
You are given an integer array nums that is already sorted in non-decreasing order. Your task is to remove the duplicate values in-place so that each element in the array appears only once, while preserving the original relative order of the elements.
After removing the duplicates, let k be the number of unique elements remaining in the array. The first k ...