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Re: (Golf) Cryptographer's Tool #1

by srawls (Friar)
on Jun 20, 2001 at 00:53 UTC ( #89813=note: print w/ replies, xml ) Need Help??


in reply to (Golf) Cryptographer's Tool #1

Here's my shot at it; 68 chars:

sub c { ($_,$a)=@_; map{$h{$_}?$h{$_}:do{$h{$_}=(split//,$a)[$i++]."\0"}}/./g }

Update:

Here's another at 66. This one takes a completely different approach--it removes all duplicates of letters(the long part), then does a simple translation on them (the easy part). Here it is:

sub c { ($_,$a)=@_;$b=$_; 1 while$b=~s/(.)(.*?)\1/$1$2/g; eval"y/$b/$a/"; $_ }

Update2:Good catch tilly. This makes it too long to contend, but here's the revised version:

sub c { ($_,$a)=@_;$b=$_; 1 while$b=~s/(.)(.*?)\1/$1$2/g; eval"y/\Q$b\E/\Q$a\E/"; $_ }

The 15 year old, freshman programmer,
Stephen Rawls


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Re (tilly) 2: (Golf) Cryptographer's Tool #1
by tilly (Archbishop) on Jun 20, 2001 at 03:25 UTC
    What if the searchlist contains /? Or a -?
(Vynce) Re: (srawls:update 2) Re: (Golf) Cryptographer's Tool #1
by Vynce (Friar) on Jun 20, 2001 at 12:50 UTC

    you can, of course, take out the \E's.

    still not a particular contender, though.

    .

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