Challenge 331 Solutions (Raku)

2 files changed, 34 insertions, 0 deletions

diff --git a/challenge-331/mark-anderson/raku/ch-1.raku b/challenge-331/mark-anderson/raku/ch-1.raku
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+++ b/challenge-331/mark-anderson/raku/ch-1.raku
@@ -0,0 +1,11 @@
+#!/usr/bin/env raku
+use Test;
+
+is last-word("The Weekly Challenge"), 9;
+is last-word("   Hello   World    "), 5;
+is last-word("Let's begin the fun"),  3;
+
+sub last-word($str)
+{
+    $str.words.tail.chars    
+}
diff --git a/challenge-331/mark-anderson/raku/ch-2.raku b/challenge-331/mark-anderson/raku/ch-2.raku
new file mode 100644
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+++ b/challenge-331/mark-anderson/raku/ch-2.raku
@@ -0,0 +1,23 @@
+#!/usr/bin/env raku
+use Test;
+
+ok  buddy-strings("fuck", "fcuk");
+nok buddy-strings("love", "love");
+ok  buddy-strings("fodo", "food");
+ok  buddy-strings("feed", "feed");
+
+sub buddy-strings($s, $t)
+{
+    given $s.comb >>eq<< $t.comb
+    {
+        return $s.comb.Bag.values.any >= 2 if .all;
+
+        given .grep(*.not, :k)
+        {
+            return False unless .elems == 2;
+
+            return $s.substr(.[0], 1) ~ $s.substr(.[1], 1) eq
+                   $t.substr(.[1], 1) ~ $t.substr(.[0], 1) 
+        }
+    }
+}