Optimizing the Contains Duplicate Problem with Hash Sets 🐾
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Optimizing the Contains Duplicate Problem with Hash Sets 🐾
One problem, two solutions, and two very different ways of thinking.I recently tackled the Contains Duplicates problem on LeetCode/NeetCode and recorded walkthroughs for both a brute force approach and an optimized hash map approach.The brute force method is simple and gets the job done, but slows down quickly as inputs grow. The hash map ...
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