21 lines
277 B
Perl
21 lines
277 B
Perl
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use 5.20.0;
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use List::UtilsBy qw/ max_by min_by /;
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my @message;
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while(<>) {
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chomp;
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my @letters = split '';
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while( my( $i, $l ) = each @letters ) {
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$message[$i]{$l}++;
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}
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}
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use DDP;
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for my $m ( @message ) {
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print min_by { $m->{$_} } keys %$m;
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}
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