From 02cfa242c714d25a60151f0629418298432765eb Mon Sep 17 00:00:00 2001
From: Piotr Russ <piotr.russ@betvictor.com>
Date: Mon, 7 Dec 2020 23:16:51 +0100
Subject: day5

---
 day5/day5-1.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 day5/day5-1.js

(limited to 'day5/day5-1.js')

diff --git a/day5/day5-1.js b/day5/day5-1.js
new file mode 100644
index 0000000..3a308f9
--- /dev/null
+++ b/day5/day5-1.js
@@ -0,0 +1,24 @@
+const data = require('./data')
+
+const filterPlaces = (pass, entity, mark, min, max) => (
+  pass.forEach((p, i) => {
+    if (i > min && i <= max) {
+      p === mark
+        ? entity.splice(entity.length / 2, entity.length)
+        : entity.splice(0, entity.length / 2)
+    }
+  })
+)
+
+const checkId = (p) => {
+  const pass = p.split('')
+  const row = [...Array(128).keys()]
+  const column = [...Array(8).keys()]
+
+  filterPlaces(pass, row, 'F', -1, 6)
+  filterPlaces(pass, column, 'L', 6, 9)
+
+  return ID = row[0] * 8 + column[0]
+}
+
+console.log(Math.max(...data.map(checkId)))
-- 
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