Always difficult with James.
This one fails when only last digit is incorrect. James, could you add some cases to eliminate it, please? 2, 819 or 889 should be enough.
Done, and you're correct: it failed 88887. Nice catch.
"% this code is stupid enough to make me want to throw something to my computer." - We've *all* written code like that, bainhome. No worries.
suddenly,madness just came up from nowhere.lol
Whoa. That is some serious regexprep-fu you have there, LY Cao.
Extract leading non-zero digit
Prime factor digits
Divisible by 4
Find the nearest prime number
Three...is a magic number.
Piecewise linear interpolation
Two fractions, one sum
Longest run of consecutive numbers
How brilliant are you?
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