3 files changed, 46 insertions, 0 deletions
diff --git a/challenge-217/peter-campbell-smith/blog.txt b/challenge-217/peter-campbell-smith/blog.txt
new file mode 100644
index 0000000000..7259ed6378
--- /dev/null
+++ b/challenge-217/peter-campbell-smith/blog.txt
@@ -0,0 +1 @@
+http://ccgi.campbellsmiths.force9.co.uk/challenge/217
diff --git a/challenge-217/peter-campbell-smith/perl/ch-1.pl b/challenge-217/peter-campbell-smith/perl/ch-1.pl
new file mode 100755
index 0000000000..0cb999c75b
--- /dev/null
+++ b/challenge-217/peter-campbell-smith/perl/ch-1.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl
+
+use v5.16;    # The Weekly Challenge - 2023-05-15
+use utf8;     # Week 216 task 1 - Sorted matrix
+use strict;   # Peter Campbell Smith
+use warnings; # Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+sorted_matrix([3, 1, 2], [5, 2, 4], [0, 1, 3]);
+sorted_matrix([2, 1], [4, 5]);
+sorted_matrix([1, 0, 3], [0, 0, 0], [1, 2, 1]);
+sorted_matrix([1, 2, 3, 4, 5], [3, 4, 5, 6, 7], [9, 8, 7, 6, 5], [0, 2, 4, 6, 8], [9, 7, 5, 3, 1]);
+
+sub sorted_matrix {
+	
+	my (@list, @rows, $j);
+
+	# concatenate rows and then sort the list
+	push @list, @$_ for @_;
+	@list = sort { $a <=> $b } @list;
+	
+	# show results
+	$rows[$j ++] = '[' . join(', ', @$_) . ']' for @_;
+	say qq[\nInput:  \@matrix = (] . join(', ', @rows) . ')';
+	say qq[Output: $list[2]];
+}
diff --git a/challenge-217/peter-campbell-smith/perl/ch-2.pl b/challenge-217/peter-campbell-smith/perl/ch-2.pl
new file mode 100755
index 0000000000..c9adadc632
--- /dev/null
+++ b/challenge-217/peter-campbell-smith/perl/ch-2.pl
@@ -0,0 +1,20 @@
+#!/usr/bin/perl
+
+use v5.16;    # The Weekly Challenge - 2023-05-15
+use utf8;     # Week 216 task 1 - Max number
+use strict;   # Peter Campbell Smith
+use warnings; # Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+max_number(1, 23);
+max_number(10, 3, 2);
+max_number(31, 2, 4, 10);
+max_number(5, 11, 4, 1, 2);
+max_number(1, 10);
+
+sub max_number {
+	
+	# concatenate the numbers in descending alphabetical sort order
+	say qq[\nInput:  ] . join(', ', @_);
+	say qq[Output: ] . join('', reverse sort @_);
+}
+