OK, a couple of simple typographic manipulations to bring it to 55: 
sub nn {
()=sort{abs$a-$b>abs$_[0]-$_[1]or@_=($a,$b);$a-$b}@_;@_
}

[download]
(There are advantages to being slow (or having no time!)).  I was still up over 80 strokes with my sort-based solution when I looked up and saw this guy casually strolling past Tiger Woods.

p

In reply to Re: Re (tilly) 1: (Golf) Nearest Neighbors by petral
in thread (Golf) Nearest Neighbors by MeowChow

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