From cbbdf1c07d629d2947659768110ccf2a6dc5066b Mon Sep 17 00:00:00 2001
From: Piotr Russ <piotr.russ@betvictor.com>
Date: Wed, 9 Dec 2020 23:45:11 +0100
Subject: day6

---
 day6/day6-1.js | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 day6/day6-1.js

(limited to 'day6/day6-1.js')

diff --git a/day6/day6-1.js b/day6/day6-1.js
new file mode 100644
index 0000000..cd21330
--- /dev/null
+++ b/day6/day6-1.js
@@ -0,0 +1,9 @@
+const data = require('./data')
+
+const repeats = data
+  .split(/\n{2,}/g)
+  .map(g => g.replace(/(^\n)|(\n$)/g,'').split('\n').map(s => s.split('')).flat())
+  .map(a => [...new Set(a)].length)
+  .reduce((a, b) => a + b, 0)
+
+console.log(repeats)
-- 
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