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| -rw-r--r-- | challenge-327/walt-mankowski/perl/ch-1.pl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/challenge-327/walt-mankowski/perl/ch-1.pl b/challenge-327/walt-mankowski/perl/ch-1.pl new file mode 100644 index 0000000000..3dd6050a0a --- /dev/null +++ b/challenge-327/walt-mankowski/perl/ch-1.pl @@ -0,0 +1,11 @@ +#!/usr/bin/env perl +use v5.40; + +# make a hash of all the possible values from 1 to @ARGV +my %missing = map { $_ => 1 } 1..@ARGV; + +# delete any elements in @ARGV +delete $missing{$_} for @ARGV; + +# print out any remaining keys +printf "(%s)\n", join ", ", sort { $a <=> $b } keys %missing; |