From 3700a9063725b001267730d6586d9cf905476cbb Mon Sep 17 00:00:00 2001
From: Piotr Russ <piotr.russ@betvictor.com>
Date: Mon, 7 Dec 2020 22:53:36 +0100
Subject: day3

---
 day3/day3-2.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 day3/day3-2.js

(limited to 'day3/day3-2.js')

diff --git a/day3/day3-2.js b/day3/day3-2.js
new file mode 100644
index 0000000..a0c558d
--- /dev/null
+++ b/day3/day3-2.js
@@ -0,0 +1,12 @@
+const data = require('./data')
+const check = (x, y) => {
+  let trees = 0, turn = 0;
+  for(i=0; i<data.length; i=i+y) {
+    turn !== 0 && data[i][(x * turn)%data[i].length] === "#" && (trees += 1)
+    turn += 1
+  }
+  return trees
+}
+
+console.log(check(1,1) * check(3,1) * check(5,1) * check(7,1) * check(1,2))
+
-- 
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