Solution: Remove Duplicates from Sorted Array
Understand how to apply the two pointers method to remove duplicate elements in a sorted array without extra space. This lesson helps you implement an efficient in-place algorithm that preserves element order and returns the count of unique values.
We'll cover the following...
We'll cover the following...
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 ...