Merge pull request #10801 from seaker/master

challenge 286, raku solutions

4 files changed, 38 insertions, 2 deletions

diff --git a/challenge-285/feng-chang/raku/ch-2.raku b/challenge-285/feng-chang/raku/ch-2.raku
index 3670056183..a14135e8aa 100755
--- a/challenge-285/feng-chang/raku/ch-2.raku
+++ b/challenge-285/feng-chang/raku/ch-2.raku
@@ -3,8 +3,8 @@
 unit sub MAIN(UInt:D \amount);
 
 proto changes(UInt:D \amount, UInt:D \limit --> UInt:D) {*}
-multi changes(0, $_)  { 1 }
-multi changes(\a, 1)  { 1 }
+multi changes(0, $)   { 1 }
+multi changes($, 1)   { 1 }
 multi changes(\a, 50) { (0..a div 50).map({ changes(a - $_ * 50, 25) }).sum }
 multi changes(\a, 25) { (0..a div 25).map({ changes(a - $_ * 25, 10) }).sum }
 multi changes(\a, 10) { (0..a div 10).map({ changes(a - $_ * 10,  5) }).sum }
diff --git a/challenge-286/feng-chang/raku/ch-1.raku b/challenge-286/feng-chang/raku/ch-1.raku
new file mode 100755
index 0000000000..d5b63cebdc
--- /dev/null
+++ b/challenge-286/feng-chang/raku/ch-1.raku
@@ -0,0 +1,5 @@
+#!/bin/env raku
+
+unit sub MAIN();
+
+put $*PROGRAM-NAME.IO.words.pick;
diff --git a/challenge-286/feng-chang/raku/ch-2.raku b/challenge-286/feng-chang/raku/ch-2.raku
new file mode 100755
index 0000000000..75236a3b75
--- /dev/null
+++ b/challenge-286/feng-chang/raku/ch-2.raku
@@ -0,0 +1,12 @@
+#!/bin/env raku
+
+unit sub MAIN(*@ints);
+
+while +@ints > 1 {
+    my @ints_ = gather for @ints -> $a, $b {
+        take $++ %% 2 ?? min($a,$b) !! max($a,$b);
+    }
+    @ints = @ints_;
+}
+
+put @ints[0];
diff --git a/challenge-286/feng-chang/raku/test.raku b/challenge-286/feng-chang/raku/test.raku
new file mode 100755
index 0000000000..b5bc479734
--- /dev/null
+++ b/challenge-286/feng-chang/raku/test.raku
@@ -0,0 +1,19 @@
+#!/bin/env raku
+
+# The Weekly Challenge 286
+use Test;
+
+sub pwc-test(Str:D $script, Bool :$deeply? = False, *@input) {
+    my ($expect, $assertion) = @input.splice(*-2, 2);
+    my $p = run $script, |@input, :out;
+    if $deeply {
+        is-deeply $p.out.slurp(:close).chomp.words.Bag, $expect, $assertion;
+    } else {
+        is $p.out.slurp(:close).chomp, $expect, $assertion;
+    }
+}
+
+# Task 2, Order Game
+pwc-test './ch-2.raku', <2 1 4 5 6 3 0 2>, 1, 'Order Game: 2,1,4,5,6,3,0,2 => 1';
+pwc-test './ch-2.raku', <0 5 3 2>,         0, 'Order Game: 0,5,3,2         => 0';
+pwc-test './ch-2.raku', <9 2 1 4 5 6 0 7 3 1 3 5 7 9 0 8>, 2, 'Order Game: 9,2,1,4,5,6,0,7,3,1,3,5,7,9,0,8 => 2';