From 0390832a1f990e7fbec34a9616bc0f1e4fbb159a Mon Sep 17 00:00:00 2001
From: gkucmierz <gkucmierz@gmail.com>
Date: Sun, 27 Aug 2017 13:32:47 +0200
Subject: [PATCH] Concatenated Sum

---
 concatenated-sum/index.js | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 concatenated-sum/index.js

diff --git a/concatenated-sum/index.js b/concatenated-sum/index.js
new file mode 100644
index 0000000..9bcdf0c
--- /dev/null
+++ b/concatenated-sum/index.js
@@ -0,0 +1,6 @@
+// https://www.codewars.com/kata/concatenated-sum/train/javascript
+
+const checkConcatenatedSum = (num, n) => {
+  num = Math.abs(num);
+  return (num+'').split('').map(d=>d.repeat(n)).reduce((a,n)=>a+(+n),0) === num;
+};
\ No newline at end of file