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day 1

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Yanick Champoux 2018-12-01 09:32:12 -05:00
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commit 292bca1eca
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use List::AllUtils qw/ sum first /;
use 5.20.0;
my @nums = <>;
my $index = 0;
my %seen;
my $current = 0;
while() {
$current += $nums[ $index++ % @nums ];
say $current and last if $seen{$current};
$seen{$current}++;
}

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use List::AllUtils qw/ sum /;
use 5.20.0;
say sum <>;