Challenge 46 solutions

2 files changed, 40 insertions, 11 deletions

diff --git a/challenge-046/mark-anderson/raku/ch-1.p6 b/challenge-046/mark-anderson/raku/ch-1.p6
new file mode 100644
index 0000000000..0d5cd1c011
--- /dev/null
+++ b/challenge-046/mark-anderson/raku/ch-1.p6
@@ -0,0 +1,37 @@
+#!/usr/bin/env perl6
+
+my $msg1 = '
+   H x l 4 !
+   c e - l o
+   z e 6 l g
+   H W l v R
+   q 9 m # o 
+';
+
+my $msg2 = '
+   P + 2 l ! a t o
+   1 e 8 0 R $ 4 u
+   5 - r ] + a > /
+   P x w l b 3 k \
+   2 e 3 5 R 8 y u
+   < ! r ^ ( ) k 0
+';
+
+say decipher($msg1);
+say decipher($msg2);
+
+sub decipher(Str:D $msg) {
+    my @AoL;
+    my $result;
+
+    for $msg.split(/\n/, :skip-empty) -> $str {
+        @AoL.push($str.trim-trailing.comb(/\S/).List);    
+    }
+
+    for [Z] @AoL -> $list {
+        $list.Str ~~ /(\S) .* {} :my $letter = $0; $letter/;
+        $result ~= $letter;
+    }
+
+    return $result;
+}
diff --git a/challenge-046/mark-anderson/raku/ch-2.p6 b/challenge-046/mark-anderson/raku/ch-2.p6
index 021a5265ce..e4f9e5fb68 100644
--- a/challenge-046/mark-anderson/raku/ch-2.p6
+++ b/challenge-046/mark-anderson/raku/ch-2.p6
@@ -1,23 +1,15 @@
 #!/usr/bin/env perl6
 
-my $open := True;
+my \open = True;
 
-# @doors is an array of Bools.
-# The first employee opens every door.
-my @doors = $open xx 500;
+my @doors = open xx 500;
 
 for 2 .. 500 -> $emp {
-    # The following sequence is the doors that 
-    # the next employee opens or closes.
     for $emp, $emp*2 ... 500 -> $door {
-        # If the door is open then close it.
-        # If the door is closed then open it.
-        # The "?^= $open" will toggle the Bool.
-        @doors[$door-1] ?^= $open;
+        @doors[$door-1] ?^= open;
     }
 }
 
 for 1 .. 500 -> $door {
-    # Print the door if it's open.
     say $door if @doors[$door-1];
 }