LeetCode 26 — Remove Duplicates from Sorted Array | Two Pointers Explained
Coding With Suman
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LeetCode 26 — Remove Duplicates from Sorted Array | Two Pointers Explained
45 просмотров · 1 мес. назад
Coding With Suman
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45 просмотров · 1 мес. назад
📝 Description
Learn how to solve LeetCode 26: Remove Duplicates from Sorted Array using the Two Pointers technique in a simple and beginner-friendly way.
In this video, we’ll understand:
What the problem is asking
Why the brute-force approach is inefficient
How a sorted array makes the problem easier
How the left and right pointers work
Complete dry run with [1,1,2,2,3]
Python solution with line-by-line explanation
Time Complexity: O(n)
Space Complexity: O(1)
By the end, you’ll understand the core Two Pointers pattern and how to recognize it in similar DSA problems.
LeetCode: 26
Topic: Arrays / Two Pointers
Language: Python
Level: Easy
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