Re^2: [golf] Kaprekar Numbers

Based on your idea, I got it to 38:

# 34567890123456789012345678901234567890
$_=$_[0]**2;pos=y///c/2;//g;$`+$'==pop
[download]

(Edit: and using thospel's "@_" instead of $_[0] makes it 37. I wonder how I managed to miss that...)

Comment on Re^2: [golf] Kaprekar Numbers Download Code

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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 [download]	[reply] [d/l]