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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit cb5bb5e222
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Task/Entropy/Perl/entropy.pl Normal file
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sub entropy {
my %count; $count{$_}++ for @_;
my $entropy = 0;
for (values %count) {
my $p = $_/@_;
$entropy -= $p * log $p;
}
$entropy / log 2
}
print entropy split //, "1223334444";