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Last Updated: September 22, 2026
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Problem: Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element ... Video contents: 00:00 - Read and understand the question 00:50 - Explain the brute force approach 02:21 - Explain the O(n) ... Super helpful resources: nikoo28.github.io/all-my-links/ It is very important to learn about the utility functions and data ... neetcode.io/ - A better way to prepare for Coding Interviews Twitter: twitter.com/neetcode1 Discord: ... 217 Contains Duplicate Leetcode This video has the Problem Statement, Solution Walk-through and Code for the
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