From aba19596ff10b134355124a3d9a7231e563a6310 Mon Sep 17 00:00:00 2001
From: arnesom <arne@bbop.org>
Date: Sun, 7 May 2023 21:16:26 +0200
Subject: Arne Sommer

---
 challenge-215/arne-sommer/blog.txt                 |  1 +
 challenge-215/arne-sommer/raku/ch-1.pl             |  5 +++
 challenge-215/arne-sommer/raku/ch-2.pl             | 37 ++++++++++++++++++++++
 challenge-215/arne-sommer/raku/number-placement    | 37 ++++++++++++++++++++++
 challenge-215/arne-sommer/raku/odd-one-out         |  9 ++++++
 .../arne-sommer/raku/odd-one-out-oneliner          |  5 +++
 6 files changed, 94 insertions(+)
 create mode 100644 challenge-215/arne-sommer/blog.txt
 create mode 100755 challenge-215/arne-sommer/raku/ch-1.pl
 create mode 100755 challenge-215/arne-sommer/raku/ch-2.pl
 create mode 100755 challenge-215/arne-sommer/raku/number-placement
 create mode 100755 challenge-215/arne-sommer/raku/odd-one-out
 create mode 100755 challenge-215/arne-sommer/raku/odd-one-out-oneliner

diff --git a/challenge-215/arne-sommer/blog.txt b/challenge-215/arne-sommer/blog.txt
new file mode 100644
index 0000000000..50b9ba9e35
--- /dev/null
+++ b/challenge-215/arne-sommer/blog.txt
@@ -0,0 +1 @@
+https://raku-musings.com/odd-placement.html
diff --git a/challenge-215/arne-sommer/raku/ch-1.pl b/challenge-215/arne-sommer/raku/ch-1.pl
new file mode 100755
index 0000000000..c03295f339
--- /dev/null
+++ b/challenge-215/arne-sommer/raku/ch-1.pl
@@ -0,0 +1,5 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (*@words where @words.elems > 0 && all(@words) ~~ /^<[a..z]>+$/);
+
+say @words.grep({ ! [<=] $_.ords }).elems;
diff --git a/challenge-215/arne-sommer/raku/ch-2.pl b/challenge-215/arne-sommer/raku/ch-2.pl
new file mode 100755
index 0000000000..81fadb3459
--- /dev/null
+++ b/challenge-215/arne-sommer/raku/ch-2.pl
@@ -0,0 +1,37 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (UInt :c(:$count) where $count > 0;
+               *@numbers where @numbers.elems > 0 && all(@numbers) eq "0" | "1",
+               :v(:$verbose));
+
+my @num      = @numbers.clone;  # Cannot assign to an immutable value
+my $size     = @num.elems;
+my $replaced = 0;
+
+for ^$count
+{
+  for 0 .. $size -3 -> $start
+  {
+    print ":Start at $start. Values: [{ @num[$start .. $start +2].join(",") }]" if $verbose;
+
+    if all(@num[$start .. $start +2]) == 0
+    {
+      @num[$start +1] = 1;
+      say " -> replaced with [@num[$start],1,@num[$start+2]]" if $verbose;
+      $replaced++;
+      last;
+    }
+    elsif $verbose
+    {
+      say "";
+    }
+  }
+}
+
+say ":Numbers: { @num.join(",") }" if $verbose;
+
+say + ($count == $replaced);
+
+# $ ./number-placement -v -c=1 1 0 0 0 1
+# $ ./number-placement -v -c=2 1 0 0 0 1
+# $ ./number-placement -v -c=3 1 0 0 0 0 0 0 0 1
diff --git a/challenge-215/arne-sommer/raku/number-placement b/challenge-215/arne-sommer/raku/number-placement
new file mode 100755
index 0000000000..81fadb3459
--- /dev/null
+++ b/challenge-215/arne-sommer/raku/number-placement
@@ -0,0 +1,37 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (UInt :c(:$count) where $count > 0;
+               *@numbers where @numbers.elems > 0 && all(@numbers) eq "0" | "1",
+               :v(:$verbose));
+
+my @num      = @numbers.clone;  # Cannot assign to an immutable value
+my $size     = @num.elems;
+my $replaced = 0;
+
+for ^$count
+{
+  for 0 .. $size -3 -> $start
+  {
+    print ":Start at $start. Values: [{ @num[$start .. $start +2].join(",") }]" if $verbose;
+
+    if all(@num[$start .. $start +2]) == 0
+    {
+      @num[$start +1] = 1;
+      say " -> replaced with [@num[$start],1,@num[$start+2]]" if $verbose;
+      $replaced++;
+      last;
+    }
+    elsif $verbose
+    {
+      say "";
+    }
+  }
+}
+
+say ":Numbers: { @num.join(",") }" if $verbose;
+
+say + ($count == $replaced);
+
+# $ ./number-placement -v -c=1 1 0 0 0 1
+# $ ./number-placement -v -c=2 1 0 0 0 1
+# $ ./number-placement -v -c=3 1 0 0 0 0 0 0 0 1
diff --git a/challenge-215/arne-sommer/raku/odd-one-out b/challenge-215/arne-sommer/raku/odd-one-out
new file mode 100755
index 0000000000..9d9a967ece
--- /dev/null
+++ b/challenge-215/arne-sommer/raku/odd-one-out
@@ -0,0 +1,9 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (*@words where @words.elems > 0 && all(@words) ~~ /^<[a..z]>+$/, :v(:$verbose));
+
+my @odd = @words.grep({ ! [<=] $_.ords });
+
+say ":Odd word(s): { @odd.map({ "'$_'" }).join(",") }" if $verbose;
+
+say @odd.elems;
diff --git a/challenge-215/arne-sommer/raku/odd-one-out-oneliner b/challenge-215/arne-sommer/raku/odd-one-out-oneliner
new file mode 100755
index 0000000000..c03295f339
--- /dev/null
+++ b/challenge-215/arne-sommer/raku/odd-one-out-oneliner
@@ -0,0 +1,5 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (*@words where @words.elems > 0 && all(@words) ~~ /^<[a..z]>+$/);
+
+say @words.grep({ ! [<=] $_.ords }).elems;
-- 
cgit