Contains Duplicate From Scratch | NeetCode 150 Day 1
This video explains Contains Duplicate from scratch for beginners. We start by understanding the problem, then go through the simple brute force idea, and finally use a hash set to solve it efficiently. I’m solving the NeetCode 150 every day and explaining each LeetCode problem like I’m learning it too. Playlist: NeetCode 150 From Scratch Keywords: Contains Duplicate, LeetCode Contains Duplicate, NeetCode 150, LeetCode for beginners, hash set, arrays and hashing, coding interview prep
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