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The Best Place To Learn Anything Coding Related - Preparing For Your Coding Interviews? Use These ... Super helpful resources: It is very important to learn about the utility functions and data ... - A better way to prepare for Coding Interviews : Discord: ... 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) ...
Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct.
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Last Updated: May 25, 2026
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