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Re: (Golf) Kaprekar's Process

by ZZamboni (Curate)
on Jun 16, 2001 at 23:08 UTC ( [id://89083] : note . print w/replies, xml ) Need Help??

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    sub a {
    $_=shift;do{$_=join'',sort/./g;$i++}while($_=(reverse)-$_)!=495;$i
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    }
    
  2. or download this
    sub a {
    $_=shift;do{$_=join'',sort/./g;$_=(reverse)-$_;$i++}until/495/;$i
    #2345678901234567890123456789012345678901234567890123456789012345
    }
    
  3. or download this
    sub a {
    $_=pop;do{$_=join'',sort/./g;$_=(reverse)-$_;$i++}until/495/;$i
    #23456789012345678901234567890123456789012345678901234567890123
    }