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Re: Golf: Arbitrary Alphabetical Sorting

by ChemBoy (Priest)
on May 09, 2001 at 20:42 UTC ( #79151=note: print w/replies, xml ) Need Help??

in reply to Golf: Arbitrary Alphabetical Sorting

I got a head start on this one, since I gave a recursive solution in the original thread. But I've never golfed before, so this is likely to go down in flames quickly... I believe it scores 110 as is (somewhat golfed, but probably not optimally).

sub o { $q=join'',@{$_[0]}; sort {$i=0; {index($q,substr($a,$i,1))<=>index($q,substr($b,$i,1))or($i++,redo)}}@ +{$_[1]} }

Update: Oof... difficulties is a nice way of putting it. A conditional statement fixes that, probably more cleanly than checking the string length repeatedly. Up to 125, I think--but then, I've already been clobbered.

sub o { $q=join'',@{$_[0]}; sort {$a cmp$b?do{$i=0;{index($q,substr($a,$i,1))<=>index($q,substr($b +,$i,1))or($i++,redo)}}:0 }@{$_[1]} }

If God had meant us to fly, he would *never* have give us the railroads.
    --Michael Flanders

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Re: Re: Golf: Arbitrary Alphabetical Sorting
by MeowChow (Vicar) on May 09, 2001 at 20:57 UTC
    This is nice, but it has ahhh... difficulties with repeated words in the list to be sorted.
                   s aamecha.s a..a\u$&owag.print

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