Leetcode 26. Remove Duplicates from Sorted Array in Python | Python Leetcode | Python Code Tutorial

Опубликовано: 26 Май 2026
на канале: Code is Art
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Leetcode 26. Remove Duplicates from Sorted Array in Python | Python Leetcode | Python Code Tutorial


Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The relative order of the elements should be kept the same. Then return the number of unique elements in nums.

Example 1:
Input: nums = [1,1,2]
Output: 2, nums = [1,2,_]
Explanation: Your function should return k = 2, with the first two elements of nums being 1 and 2 respectively.
It does not matter what you leave beyond the returned k (hence they are underscores).
Example 2:
Input: nums = [0,0,1,1,1,2,2,3,3,4]
Output: 5, nums = [0,1,2,3,4,_,_,_,_,_]
Explanation: Your function should return k = 5, with the first five elements of nums being 0, 1, 2, 3, and 4 respectively.
It does not matter what you leave beyond the returned k (hence they are underscores).

Leetcode Problem Link: https://leetcode.com/problems/remove-...


Code Link : https://github.com/CodeIsArtYT/Leetco...

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