Solution: Remove Duplicates from Sorted Array
Understand how to use the two-pointer technique to remove duplicates from a sorted array without additional space. This lesson teaches you to modify the array in-place, maintaining sorted order and achieving linear time complexity, by scanning and shifting unique elements as needed.
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 ...