From c505ae57f3cb10f6c84dd9bd373dbe456d3031eb Mon Sep 17 00:00:00 2001
From: Peter Campbell Smith <pj.campbell.smith@gmail.com>
Date: Mon, 12 Aug 2024 12:51:12 +0100
Subject: Week 282 - Integggers and keys

---
 challenge-282/peter-campbell-smith/blog.txt     |  1 +
 challenge-282/peter-campbell-smith/perl/ch-1.pl | 39 +++++++++++++++++++++++++
 challenge-282/peter-campbell-smith/perl/ch-2.pl | 32 ++++++++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 challenge-282/peter-campbell-smith/blog.txt
 create mode 100755 challenge-282/peter-campbell-smith/perl/ch-1.pl
 create mode 100755 challenge-282/peter-campbell-smith/perl/ch-2.pl

diff --git a/challenge-282/peter-campbell-smith/blog.txt b/challenge-282/peter-campbell-smith/blog.txt
new file mode 100644
index 0000000000..d05f459565
--- /dev/null
+++ b/challenge-282/peter-campbell-smith/blog.txt
@@ -0,0 +1 @@
+http://ccgi.campbellsmiths.force9.co.uk/challenge/281
diff --git a/challenge-282/peter-campbell-smith/perl/ch-1.pl b/challenge-282/peter-campbell-smith/perl/ch-1.pl
new file mode 100755
index 0000000000..ddfe6d6b37
--- /dev/null
+++ b/challenge-282/peter-campbell-smith/perl/ch-1.pl
@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2024-08-12
+use utf8;     # Week 282 - task 1 - Good integer
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+
+# good ones
+good_integer('12333456');
+good_integer('333456');
+good_integer('456333');
+good_integer('129934956799998999');
+
+# bad ones
+good_integer('123333456');
+good_integer('3333456');
+good_integer('123333');
+good_integer('123345');
+
+sub good_integer {
+	
+	my $int = $_[0];
+	say qq[\nInput:  \$int = $int];
+	
+	# pad left and right with non-integer
+	$int = qq[¦$int¦];
+	
+	# check for xyyyz pattern
+	while ($int =~ m|(.)(.)\2\2(.)|g) {
+		next unless ($1 ne $2 and $2 ne $3);
+		
+		# pattern found!
+		say qq[Output: $2$2$2];
+		return;
+	}
+	say qq[Output: -1];
+}
diff --git a/challenge-282/peter-campbell-smith/perl/ch-2.pl b/challenge-282/peter-campbell-smith/perl/ch-2.pl
new file mode 100755
index 0000000000..e1878302da
--- /dev/null
+++ b/challenge-282/peter-campbell-smith/perl/ch-2.pl
@@ -0,0 +1,32 @@
+#!/usr/bin/perl
+
+# Blog: http://ccgi.campbellsmiths.force9.co.uk/challenge
+
+use v5.26;    # The Weekly Challenge - 2024-08-12
+use utf8;     # Week 282 - task 2 - Changing keys
+use warnings; # Peter Campbell Smith
+binmode STDOUT, ':utf8';
+
+changing_keys('aaabbbcCc');
+changing_keys('abbbbb');
+changing_keys('aaaaab');
+changing_keys('abcde');
+changing_keys('aAaAaAa');
+changing_keys('Committee');
+
+sub changing_keys {
+	
+	my ($str, $c, $count);
+	
+	# initialise
+	$str = shift;
+	say qq[\nInput:  \@str = '$str'];
+	
+	# count key changes
+	$str = lc($str);
+	$count = 0;
+	for $c (0 .. length($str) - 2) {
+		$count ++ if substr($str, $c, 1) ne substr($str, $c + 1, 1);
+	}
+	say qq[Output: $count];
+}
-- 
cgit