The article started with 3 loops, took it down to 2 then one. Why are you talkin... | Hacker News

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		segmondy on Dec 13, 2022 \| parent \| context \| favorite \| on: A neat XOR trick The article started with 3 loops, took it down to 2 then one. Why are you talking about 2 loops?

dukoid on Dec 13, 2022 [–]

The article took it down to 2 by adding an extra hashtable. It's possible to go down to 2 without using an extra data structure.

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