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Re^2: Finding longest palindrome from a string

by Aristotle (Chancellor)
on Aug 17, 2004 at 08:17 UTC ( #383581=note: print w/ replies, xml ) Need Help??


in reply to Re: Finding longest palindrome from a string
in thread Finding longest palindrome from a string

return $string . reverse $string;

That only generates even length palindromes. I instead suggest

return ( $string . ( rand < .5 ? $letters[ rand @letters ] : '' ) . reverse $string );

Also, Don't Repeat Yourself. That's far too much copy-paste code there. Look at the benchmark script I wrote: much less code, and it tells you exactly which input strings each solution failed on and what it produced instead.

Makeshifts last the longest.


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