2 files changed, 51 insertions, 0 deletions
diff --git a/challenge-194/wambash/raku/ch-1.raku b/challenge-194/wambash/raku/ch-1.raku
new file mode 100644
index 0000000000..ee77b8b4ad
--- /dev/null
+++ b/challenge-194/wambash/raku/ch-1.raku
@@ -0,0 +1,28 @@
+#!/usr/bin/env raku
+
+sub is-valid-time ($s) {
+    my ($hour,$minute) = $s.split: ':';
+    so try DateTime.now.clone: :$hour, :$minute
+}
+
+sub digital-clock ($s) {
+    9...0
+    andthen .first: {
+        is-valid-time $s.trans: '?' => "$_"
+    }
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is digital-clock('?5:00'),1;
+    is digital-clock('?3:00'),2;
+    is digital-clock('1?:00'),9;
+    is digital-clock('2?:00'),3;
+    is digital-clock('12:?5'),5;
+    is digital-clock('12:59'),9;
+    done-testing;
+}
+
+multi MAIN ($s) {
+    say digital-clock $s
+}
diff --git a/challenge-194/wambash/raku/ch-2.raku b/challenge-194/wambash/raku/ch-2.raku
new file mode 100644
index 0000000000..a30a8128a6
--- /dev/null
+++ b/challenge-194/wambash/raku/ch-2.raku
@@ -0,0 +1,23 @@
+#!/usr/bin/env raku
+
+sub frequency-equalizer ($s) {
+    $s
+    andthen .comb
+    andthen .Bag
+    andthen all .values.minmax == 2, .maxpairs == 1
+    andthen .so
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is frequency-equalizer('abbc'), True;
+    is frequency-equalizer('xyzyyxz'), True;
+    is frequency-equalizer('xzxz'), False;
+    is frequency-equalizer('aabbcccddd'), False;
+    is frequency-equalizer('aabbccccdd'), False;
+    done-testing;
+}
+
+multi MAIN ($s) {
+    say +frequency-equalizer $s
+}