Challenge 195 Solutions (Raku)

2 files changed, 29 insertions, 0 deletions

diff --git a/challenge-195/mark-anderson/raku/ch-1.raku b/challenge-195/mark-anderson/raku/ch-1.raku
new file mode 100644
index 0000000000..32539e82ae
--- /dev/null
+++ b/challenge-195/mark-anderson/raku/ch-1.raku
@@ -0,0 +1,18 @@
+#!/usr/bin/env raku
+use Test;
+
+is special-integers(15),        14;
+is special-integers(35),        32;
+is special-integers(9_999_999), 712890;
+
+sub special-integers($n)
+{
+    .elems given gather for (^10).combinations(1..$n.chars)
+    {
+        for .permutations
+        {
+            next unless .head;
+           .take unless $_ > $n given .join
+        }
+    }
+}
diff --git a/challenge-195/mark-anderson/raku/ch-2.raku b/challenge-195/mark-anderson/raku/ch-2.raku
new file mode 100644
index 0000000000..574f857543
--- /dev/null
+++ b/challenge-195/mark-anderson/raku/ch-2.raku
@@ -0,0 +1,11 @@
+#!/usr/bin/env raku
+use Test;
+
+is most-frequent-even(1,1,2,6,2), 2;
+is most-frequent-even(1,3,5,7),   Inf;
+is most-frequent-even(6,4,4,6,1), 4;
+
+sub most-frequent-even(*@list)
+{
+    @list.grep(* %% 2).Bag.maxpairs>>.key.min
+}