From 5c9fe5934a98993dce4c7ad5e17b248d47aeee2f Mon Sep 17 00:00:00 2001
From: Mark Anderson <mark@andemark.io>
Date: Mon, 17 Nov 2025 06:26:18 +0000
Subject: Challenge 348 Solutions (Raku)

---
 challenge-348/mark-anderson/raku/ch-1.raku | 18 ++++++++++++++++++
 challenge-348/mark-anderson/raku/ch-2.raku | 19 +++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 challenge-348/mark-anderson/raku/ch-1.raku
 create mode 100644 challenge-348/mark-anderson/raku/ch-2.raku

diff --git a/challenge-348/mark-anderson/raku/ch-1.raku b/challenge-348/mark-anderson/raku/ch-1.raku
new file mode 100644
index 0000000000..3c063da874
--- /dev/null
+++ b/challenge-348/mark-anderson/raku/ch-1.raku
@@ -0,0 +1,18 @@
+#!/usr/bin/env raku
+use Test;
+
+nok string-alike("textbook");
+ok  string-alike("book");
+ok  string-alike("AbCdEfGh");
+nok string-alike("rhythmmyth");
+nok string-alike("UmpireeAudio");
+
+sub string-alike($str)
+{
+    my $n = $str.chars div 2;
+
+    my $left  = ($str.substr(0, $n) ~~ m:g:i/< a e i o u >/).elems;
+    my $right = ($str.substr(*-$n)  ~~ m:g:i/< a e i o u >/).elems;
+
+    so all $left, $right, $left == $right
+}
diff --git a/challenge-348/mark-anderson/raku/ch-2.raku b/challenge-348/mark-anderson/raku/ch-2.raku
new file mode 100644
index 0000000000..ec3f841cf4
--- /dev/null
+++ b/challenge-348/mark-anderson/raku/ch-2.raku
@@ -0,0 +1,19 @@
+#!/usr/bin/env raku
+use Int::polydiv;
+use Test;
+
+is convert-time("02:30", "02:45"), 1;
+is convert-time("11:55", "12:15"), 2;
+is convert-time("09:00", "13:00"), 4;
+is convert-time("23:45", "00:30"), 3;
+is convert-time("14:20", "15:25"), 2;
+
+sub convert-time($source, $target)
+{
+    my $s = DateTime.new("1970-01-01T$source:00");
+    my $t = DateTime.new("1970-01-01T$target:00");
+
+    $t .= later(days => 1) if $t < $s;
+
+    sum (($t - $s) div 60).polydiv(60,15,5,1)
+}
-- 
cgit