RosettaCodeData/Task/Sleeping-Beauty-problem/Perl/sleeping-beauty-problem.pl
2023-07-01 13:44:08 -04:00

12 lines
395 B
Perl

use strict;
use warnings;
sub sleeping_beauty {
my($trials) = @_;
my($gotheadsonwaking,$wakenings);
$wakenings++ and rand > .5 ? $gotheadsonwaking++ : $wakenings++ for 1..$trials;
$wakenings, $gotheadsonwaking/$wakenings
}
my $trials = 1_000_000;
printf "Wakenings over $trials experiments: %d\nSleeping Beauty should estimate a credence of: %.4f\n", sleeping_beauty($trials);