challenge 276, raku solutions

4 files changed, 44 insertions, 0 deletions

diff --git a/challenge-276/feng-chang/raku/ch-1.raku b/challenge-276/feng-chang/raku/ch-1.raku
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+++ b/challenge-276/feng-chang/raku/ch-1.raku
@@ -0,0 +1,5 @@
+#!/bin/env raku
+
+unit sub MAIN(*@hours);
+
+put +@hours.combinations(2).grep(*.sum %% 24);
diff --git a/challenge-276/feng-chang/raku/ch-2.raku b/challenge-276/feng-chang/raku/ch-2.raku
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+++ b/challenge-276/feng-chang/raku/ch-2.raku
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+#!/bin/env raku
+
+unit sub MAIN(*@ints);
+
+my %b = @ints.Bag;
+my \maxc = %b.values.max;
+put +%b.values.grep(maxc) * maxc;
diff --git a/challenge-276/feng-chang/raku/ch-2a.raku b/challenge-276/feng-chang/raku/ch-2a.raku
new file mode 100755
index 0000000000..fd80e95887
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+++ b/challenge-276/feng-chang/raku/ch-2a.raku
@@ -0,0 +1,7 @@
+#!/bin/env raku
+
+unit sub MAIN(*@ints);
+
+my %b = @ints.Bag;
+my %s = (+«%b.max(:by({.value}), :k)).Set;
+put +@ints.grep(%s);
diff --git a/challenge-276/feng-chang/raku/test.raku b/challenge-276/feng-chang/raku/test.raku
new file mode 100755
index 0000000000..bdae5a5453
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+++ b/challenge-276/feng-chang/raku/test.raku
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+#!/bin/env raku
+
+# The Weekly Challenge 276
+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 1, Complete Day
+pwc-test './ch-1.raku', <12 12 30 24 24>, 2, 'Complete Day: 12, 12, 30, 24, 24 => 2';
+pwc-test './ch-1.raku', <72 48 24 5>,     3, 'Complete Day: 72, 48, 24, 5      => 3';
+pwc-test './ch-1.raku', <12 18 24>,       0, 'Complete Day: 12, 18, 24         => 0';
+
+# Task 2, Maximum Frequency
+pwc-test './ch-2.raku', <1 2 2 4 1 5>, 4, 'Maximum Frequency: 1, 2, 2, 4, 1, 5 => 4';
+pwc-test './ch-2.raku', <1 2 3 4 5>,   5, 'Maximum Frequency: 1, 2, 3, 4, 5    => 5';
+pwc-test './ch-2a.raku', <1 2 2 4 1 5>, 4, 'Maximum Frequency: 1, 2, 2, 4, 1, 5 => 4';
+pwc-test './ch-2a.raku', <1 2 3 4 5>,   5, 'Maximum Frequency: 1, 2, 3, 4, 5    => 5';