![Contains Duplicates [LeetCode 217] | Sorting | Hash Set | Approach and intuition](https://i.ytimg.com/vi/KJV1GoYDVm8/mqdefault.jpg)
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Last Updated: October 19, 2026
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neetcode.io/ - A better way to prepare for Coding Interviews Twitter: twitter.com/neetcode1 Discord: ... Video contents: 00:00 - Read and understand the question 00:50 - Explain the brute force approach 02:21 - Explain the O(n) ... In this video, we'll solve the " LeetCode 217 Contains Duplicate Super helpful resources: nikoo28.github.io/all-my-links/ It is very important to learn about the utility functions and data ... Master Data Structures & Algorithms for FREE at AlgoMap.io/ Code solutions in Python, Java, C++ and JS for this can be ... Get my book "Pattern Hunter: Coding Interview Patterns with Python": a.co/d/0aFk1RCY Spot a This is the solution approach to Easy and Beginner Friendly Explanation with 3 approaches and Time and Space Complexity Analysis! ⚡ Related Resources ... Please Support and Share CodeTree and help us reach out more people ! The Channel will be updated with videos on ...
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