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Last Updated: October 19, 2026
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Video contents: 00:00 - Read and understand the question 00:50 - Explain the brute force approach 02:21 - Explain the O(n) ... neetcode.io/ - A better way to prepare for Coding Interviews Twitter: twitter.com/neetcode1 Discord: ... Get my book "Pattern Hunter: Coding Interview Patterns with Python": a.co/d/0aFk1RCY Spot a 217. Contains Duplicate Given an integer array nums, return true if any value appears at least twice in the array, and return ... Super helpful resources: nikoo28.github.io/all-my-links/ It is very important to learn about the utility functions and data ... This video has the Problem Statement,
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