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re: Find the First Duplicate in a JavaScript Array VIEW POST

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re: Sorry, I just don't see how that algorithm helps us in this case. I've only used that to solve problems with cycles, and couldn't find any informat...
 

You’re right, i misread the question. I recently had this question during my FAANG phone interview, i eventually ended up using binary search. Then he went on about turtle and hare, bla bla. Luckily he deemed it not really important to know, but a other interviewer might not be that nice.

This was the question btw: leetcode.com/problems/find-the-dup...

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