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[R] Stupidest ways people have solved coding interviews (loops.video)
submitted 5 days ago by m_f@midwest.social to c/loops@midwest.social
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[-] ImplyingImplications@lemmy.ca 7 points 5 days ago

That would be isPositive.

Without using the modulo operator you'd essentially have to reimplement it. Divide the number by 2 and round down. Multiply that by 2 and then subtract it from the original number.

isEven(10) results in 10-10==0 (true) whereas isEven(13) results in 13-12==0 (false).

function isEven(n){
  n = Math.abs(n)
  return (n - (Math.floor(n/2) * 2)) == 0
}
[-] Kraiden@kbin.earth 5 points 5 days ago

Yep! I'm wrong. Pretty embarrassing!

That's a nice solution though! Gonna have to try and remember that one!

this post was submitted on 21 Dec 2024
76 points (100.0% liked)

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