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Previous submission 2017:

https://news.ycombinator.com/item?id=15252426

Can't believe this was already 3 years ago. Interesting read!

Previous submission 2014: https://news.ycombinator.com/item?id=7135261

Yes, I originally came across this on HN, likely in 2017 based on my surrounding bookmarks. It has stuck with me ever since even though I don't do much programming anymore. At the time, I was a TA in a MATLAB course, so I tried to emphasize that the code runs on a machine and is fundamentally discrete. (.1 + .2 == .3) returning false is an easy way into this concept.

32 bits (and now 64 as @dragontamer calculated) is a huge input space. You could verify 4 int_8 or 2 char[2] functions.

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