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Contains Duplicate | LeetCode Problem No :- 217 | Solution in Java | Hindi
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Last Updated: September 24, 2026
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This problem is considered to be Easy difficulty on This video has the Problem Statement, Solution Walk-through and Code for the neetcode.io/ - A better way to prepare for Coding Interviews Twitter: twitter.com/neetcode1 Discord: ... Super helpful resources: nikoo28.github.io/all-my-links/ It is very important to learn about the utility functions and data ... The Best Place To Learn Anything Coding Related - bit.ly/3MFZLIZ Preparing For Your Coding Interviews? Use These ... Master Data Structures & Algorithms for FREE at AlgoMap.io/ Code solutions in Python, Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element ... 217. Contains Duplicate Given an integer array nums, return true if any value appears at least twice in the array, and return ... Video contents: 00:00 - Read and understand the question 00:50 - Explain the brute force approach 02:21 - Explain the O(n) ...