Challenge 139 Solutions (Raku)

2 files changed, 21 insertions, 0 deletions

diff --git a/challenge-139/mark-anderson/raku/ch-1.raku b/challenge-139/mark-anderson/raku/ch-1.raku
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+++ b/challenge-139/mark-anderson/raku/ch-1.raku
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+#!/usr/bin/env raku
+
+use Test;
+plan 2;
+
+is   jortsort(1, 2, 3, 4, 5), 1;
+isnt jortsort(1, 3, 2, 4, 5), 1;
+
+sub jortsort(+@a)
+{
+    + [<=] @a;
+}
diff --git a/challenge-139/mark-anderson/raku/ch-2.raku b/challenge-139/mark-anderson/raku/ch-2.raku
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+++ b/challenge-139/mark-anderson/raku/ch-2.raku
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+#!/usr/bin/env raku
+
+say (1..*).grep(&is-long-prime)[^5];
+
+sub is-long-prime($n)
+{
+    return False unless $n.is-prime;
+    return (1/$n).base-repeating.tail.chars == $n-1;
+}