From b0e3b3c342f1f66b924b8cb67b44a4aa2e597be8 Mon Sep 17 00:00:00 2001
From: Peter Mikkelsen <petermikkelsen10@gmail.com>
Date: Sun, 8 Aug 2021 18:22:27 +0200
Subject: problem 21

---
 problem21.ijs | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 problem21.ijs

diff --git a/problem21.ijs b/problem21.ijs
new file mode 100644
index 0000000..3f86261
--- /dev/null
+++ b/problem21.ijs
@@ -0,0 +1,4 @@
+d =. [:+/i.#~0=i.|]
+a =. (]=d&d)*.]~:d
+nums =. i.10000
+problem21 =: +/nums#~a"0 nums
-- 
cgit v1.2.3