Merge pull request #9766 from seaker/master

Feng Chang's Raku solutions for challenge 261

6 files changed, 72 insertions, 0 deletions

diff --git a/challenge-260/feng-chang/raku/ch-1.raku b/challenge-260/feng-chang/raku/ch-1.raku
new file mode 100755
index 0000000000..5a4a5a375b
--- /dev/null
+++ b/challenge-260/feng-chang/raku/ch-1.raku
@@ -0,0 +1,6 @@
+#!/bin/env raku
+
+unit sub MAIN(*@ints);
+
+my @a = @ints.Bag.values;
+put +(+@a.unique == +@a);
diff --git a/challenge-260/feng-chang/raku/ch-2.raku b/challenge-260/feng-chang/raku/ch-2.raku
new file mode 100755
index 0000000000..12823d8afe
--- /dev/null
+++ b/challenge-260/feng-chang/raku/ch-2.raku
@@ -0,0 +1,5 @@
+#!/bin/env raku
+
+unit sub MAIN(Str:D $w);
+
+put $w.comb.permutations».join.unique.sort.first($w, :k) + 1;
diff --git a/challenge-260/feng-chang/raku/test.raku b/challenge-260/feng-chang/raku/test.raku
new file mode 100755
index 0000000000..49b576a879
--- /dev/null
+++ b/challenge-260/feng-chang/raku/test.raku
@@ -0,0 +1,24 @@
+#!/bin/env raku
+
+# The Weekly Challenge 260
+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, Unique Occurrences
+pwc-test './ch-1.raku', <1 2 2 1 1 3>,               1, 'Unique Occurrences: (1,2,2,1,1,3)            => 1';
+pwc-test './ch-1.raku', <1 2 3>,                     0, 'Unique Occurrences: (1,2,3)                  => 0';
+pwc-test './ch-1.raku', <-- -2 0 1 -2 1 1 0 1 -2 9>, 1, 'Unique Occurrences: (-2,0,1,-2,1,1,0,1,-2,9) => 1';
+
+# Task 2, Dictionary Rank
+pwc-test './ch-2.raku', 'CAT',    3,   'Dictionary Rank: CAT    => 3';
+pwc-test './ch-2.raku', 'GOOGLE', 88,  'Dictionary Rank: GOOGLE => 88';
+pwc-test './ch-2.raku', 'SECRET', 255, 'Dictionary Rank: SECRET => 255';
diff --git a/challenge-261/feng-chang/raku/ch-1.raku b/challenge-261/feng-chang/raku/ch-1.raku
new file mode 100755
index 0000000000..b913f2f35c
--- /dev/null
+++ b/challenge-261/feng-chang/raku/ch-1.raku
@@ -0,0 +1,5 @@
+#!/bin/env raku
+
+unit sub MAIN(*@ints);
+
+put @ints.sum - @ints».comb».sum.sum;
diff --git a/challenge-261/feng-chang/raku/ch-2.raku b/challenge-261/feng-chang/raku/ch-2.raku
new file mode 100755
index 0000000000..fbb2ac591f
--- /dev/null
+++ b/challenge-261/feng-chang/raku/ch-2.raku
@@ -0,0 +1,7 @@
+#!/bin/env raku
+
+unit sub MAIN(*@ints);
+
+my $start = @ints.pop;
+$start *= 2 while @ints.grep($start);
+put $start;
diff --git a/challenge-261/feng-chang/raku/test.raku b/challenge-261/feng-chang/raku/test.raku
new file mode 100755
index 0000000000..d78a96d7db
--- /dev/null
+++ b/challenge-261/feng-chang/raku/test.raku
@@ -0,0 +1,25 @@
+#!/bin/env raku
+
+# The Weekly Challenge 261
+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, Element Digit Sum
+pwc-test './ch-1.raku', <1 2 3 45>,          36, 'Element Digit Sum: (1,2,3,45)           => 36';
+pwc-test './ch-1.raku', <1 12 3>,             9, 'Element Digit Sum: (1,12,3)             => 9';
+pwc-test './ch-1.raku', <1 2 3 4>,            0, 'Element Digit Sum: (1,2,3,4)            => 0';
+pwc-test './ch-1.raku', <236 416 336 350>, 1296, 'Element Digit Sum: (236, 416, 336, 350) => 1296';
+
+# Task 2, Multiply by Two
+pwc-test './ch-2.raku', <5 3 6 1 12>, 3, 24, 'Multiply by Two: @ints=(5,3,6,1,12), $start=3 => 24';
+pwc-test './ch-2.raku', <1 2 4 3>,    1,  8, 'Multiply by Two: @ints=(1,2,4,3),    $start=1 => 8';
+pwc-test './ch-2.raku', <5 6 7>,      2,  2, 'Multiply by Two: @ints=(5,6,7),      $start=2 => 2';