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Re^2: [golf] Kaprekar Numbers

by truedfx (Monk)
on Jul 07, 2005 at 20:36 UTC ( #473220=note: print w/ replies, xml ) Need Help??


in reply to Re: [golf] Kaprekar Numbers
in thread [golf] Kaprekar Numbers

Based on your idea, I got it to 38:
# 34567890123456789012345678901234567890 $_=$_[0]**2;pos=y///c/2;//g;$`+$'==pop
(Edit: and using thospel's "@_" instead of $_[0] makes it 37. I wonder how I managed to miss that...)

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Re^3: [golf] Kaprekar Numbers
by thospel (Hermit) on Jul 08, 2005 at 18:51 UTC
    Like this it's 34:
    (pos=$_="@_"**2)/=2;//g;$`+$'==pop

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