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4 billion if statements (andreasjhkarlsson.github.io)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 18 points 1 year ago* (last edited 1 year ago) (1 children)

Yeah but then ALL even numbers would be slow to compute because you would have to chain through every odd before you know that 2 is even.

Depends on the expected distribution of input values

[–] [email protected] 1 points 1 year ago

Heuristic: keep it until 512, afterwards powers of 2, and numbers like 1000, 2000,.., 10000, 20000,... (regex: [0-9]000+)