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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Evolutionary-algorithm/Raku/evolutionary-algorithm.raku Normal file
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constant target = "METHINKS IT IS LIKE A WEASEL";
constant @alphabet = flat 'A'..'Z',' ';
constant C = 10;
sub mutate(Str $string, Real $mutate-chance where 0 ≤ * < 1) {
$string.subst: /<?{ rand < $mutate-chance }> . /, @alphabet.pick, :global
}
sub fitness(Str $string) { [+] $string.comb Zeq target.comb }
printf "\r%6d: '%s'", $++, $_ for
@alphabet.roll(target.chars).join,
{ max :by(&fitness), mutate($_, .001) xx C } ... target;