From 634c23f2a6f68b9ced2e12368504fae3b1824c5e Mon Sep 17 00:00:00 2001
From: Arne Sommer <arne@bbop.org>
Date: Wed, 11 Jun 2025 23:33:30 +0200
Subject: Arne Sommer

---
 challenge-325/arne-sommer/blog.txt             |  1 +
 challenge-325/arne-sommer/raku/ch-1.raku       | 12 +++++++++++
 challenge-325/arne-sommer/raku/ch-2.raku       | 29 ++++++++++++++++++++++++++
 challenge-325/arne-sommer/raku/consecutive-one | 12 +++++++++++
 challenge-325/arne-sommer/raku/final-price     | 29 ++++++++++++++++++++++++++
 5 files changed, 83 insertions(+)
 create mode 100644 challenge-325/arne-sommer/blog.txt
 create mode 100755 challenge-325/arne-sommer/raku/ch-1.raku
 create mode 100755 challenge-325/arne-sommer/raku/ch-2.raku
 create mode 100755 challenge-325/arne-sommer/raku/consecutive-one
 create mode 100755 challenge-325/arne-sommer/raku/final-price

diff --git a/challenge-325/arne-sommer/blog.txt b/challenge-325/arne-sommer/blog.txt
new file mode 100644
index 0000000000..6949433b16
--- /dev/null
+++ b/challenge-325/arne-sommer/blog.txt
@@ -0,0 +1 @@
+https://raku-musings.com/one-final.html
diff --git a/challenge-325/arne-sommer/raku/ch-1.raku b/challenge-325/arne-sommer/raku/ch-1.raku
new file mode 100755
index 0000000000..85386e0d33
--- /dev/null
+++ b/challenge-325/arne-sommer/raku/ch-1.raku
@@ -0,0 +1,12 @@
+#! /usr/bin/env raku
+
+subset BinaryDigit of Int where * eq any(0,1);
+
+unit sub MAIN (*@binary where @binary.elems >= 1 && all(@binary) ~~ BinaryDigit,
+               :v(:$verbose));
+
+my @ones = @binary.join.split(/0+/);
+
+say ": One strings: { @ones.join(",") }" if $verbose;
+
+say @ones.max.chars;
\ No newline at end of file
diff --git a/challenge-325/arne-sommer/raku/ch-2.raku b/challenge-325/arne-sommer/raku/ch-2.raku
new file mode 100755
index 0000000000..ccc1de3e9e
--- /dev/null
+++ b/challenge-325/arne-sommer/raku/ch-2.raku
@@ -0,0 +1,29 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (*@prices where @prices.elems >= 1 && all(@prices) ~~ UInt,
+               :v(:$verbose));
+
+my @final;
+
+for ^@prices.elems -> $i
+{
+  my $price = @prices[$i];
+  my $lower = @prices[$i+1 .. Inf].grep(* <= $price).first;
+
+  if defined $lower
+  {
+    my $new = $price - $lower;
+    
+    say ": Price: $price - lower $lower = $new" if $verbose;
+    
+    @final.push: $new;
+  }
+  else
+  {
+    say ": Price: $price -> no lower = $price" if $verbose;
+
+    @final.push: $price;
+  }  
+}
+
+say @final;
\ No newline at end of file
diff --git a/challenge-325/arne-sommer/raku/consecutive-one b/challenge-325/arne-sommer/raku/consecutive-one
new file mode 100755
index 0000000000..85386e0d33
--- /dev/null
+++ b/challenge-325/arne-sommer/raku/consecutive-one
@@ -0,0 +1,12 @@
+#! /usr/bin/env raku
+
+subset BinaryDigit of Int where * eq any(0,1);
+
+unit sub MAIN (*@binary where @binary.elems >= 1 && all(@binary) ~~ BinaryDigit,
+               :v(:$verbose));
+
+my @ones = @binary.join.split(/0+/);
+
+say ": One strings: { @ones.join(",") }" if $verbose;
+
+say @ones.max.chars;
\ No newline at end of file
diff --git a/challenge-325/arne-sommer/raku/final-price b/challenge-325/arne-sommer/raku/final-price
new file mode 100755
index 0000000000..ccc1de3e9e
--- /dev/null
+++ b/challenge-325/arne-sommer/raku/final-price
@@ -0,0 +1,29 @@
+#! /usr/bin/env raku
+
+unit sub MAIN (*@prices where @prices.elems >= 1 && all(@prices) ~~ UInt,
+               :v(:$verbose));
+
+my @final;
+
+for ^@prices.elems -> $i
+{
+  my $price = @prices[$i];
+  my $lower = @prices[$i+1 .. Inf].grep(* <= $price).first;
+
+  if defined $lower
+  {
+    my $new = $price - $lower;
+    
+    say ": Price: $price - lower $lower = $new" if $verbose;
+    
+    @final.push: $new;
+  }
+  else
+  {
+    say ": Price: $price -> no lower = $price" if $verbose;
+
+    @final.push: $price;
+  }  
+}
+
+say @final;
\ No newline at end of file
-- 
cgit