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Re: Re: (Golf) Nearest Neighbors

by MeowChow (Vicar)
on Apr 04, 2001 at 23:45 UTC ( #69846=note: print w/ replies, xml ) Need Help??

in reply to Re: (Golf) Nearest Neighbors
in thread (Golf) Nearest Neighbors

Very nice! Sniping one character gives:

sub nn { @_=sort{$a<=>$b}@_; $_[1]-$_[0]>$_[$_]-$_[$_-1]and@_[0,1]=@_[$_,$_-1]for 2..$#_; @_[0,1] }
The number to beat is 86...
               s aamecha.s a..a\u$&owag.print

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Re: Re: Re: (Golf) Nearest Neighbors
by satchboost (Scribe) on Apr 05, 2001 at 00:23 UTC
    This doesn't deal with duplicates. If you want to deal with duplicates, I think you change it to:
    sub nn { @_{@_}=0;@_=sort{$a<=>$b}keys%_; $_[1]-$_[0]>$_[$_]-$_[$_-1]and@_[0,1]=@_[$_,$_-1]for 2..$#_; @_[0,1] }

    That brings the total from 86 to 99. I'm not sure if the spec requires that duplicates be treated as one element or separate elements.

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