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use strict;
use warnings;
use v5.38;
my @inputs = (
[
['R', 'E', 'P', 'L'],
[3, 2, 1, 4]
],
[
['A', 'U', 'R', 'K'],
[2, 4, 1, 3]
],
[
['O', 'H', 'Y', 'N', 'P', 'T'],
[5, 4, 2, 6, 1, 3]
],
[
['O', 'H', 'Y', 'N', 'P', 'A', 'T'],
[5, 4, 2, 6, 1, 3, 3]
]
);
for (@inputs) {
my @letters = @{$_->[0]};
my @weights = @{$_->[1]};
say join ( ", ", @letters ) . " :: " .
join ( ", ", @weights ) . " => " .
sort_letters( \@letters, \@weights );
}
sub sort_letters( $letters, $weights ) {
my @letters = @$letters;
my @weights = @$weights;
die "inputs must be the same length" unless $#weights == $#letters;
my @zipped = map {[$weights[$_], $letters[$_]]} (0 .. $#weights);
return join '', map { $_->[1] } sort {$a->[0] <=> $b->[0]} @zipped;
}
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