From f90349fbd02a4b243f73bcdfc245abfa36df497f Mon Sep 17 00:00:00 2001
From: Lubos Kolouch <lubos@kolouch.net>
Date: Mon, 24 Apr 2023 19:00:10 +0200
Subject: Challenge 070 LK

---
 challenge-070/lubos-kolouch/javascript/ch-2.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 challenge-070/lubos-kolouch/javascript/ch-2.js

(limited to 'challenge-070/lubos-kolouch/javascript')

diff --git a/challenge-070/lubos-kolouch/javascript/ch-2.js b/challenge-070/lubos-kolouch/javascript/ch-2.js
new file mode 100644
index 0000000000..44602ebfca
--- /dev/null
+++ b/challenge-070/lubos-kolouch/javascript/ch-2.js
@@ -0,0 +1,12 @@
+const N = 4;
+let grayCode = ['0', '1'];
+
+for (let i = 2; i <= N; i++) {
+    let revGrayCode = grayCode.slice().reverse();
+    grayCode = grayCode.map(x => '0' + x);
+    revGrayCode = revGrayCode.map(x => '1' + x);
+    grayCode = grayCode.concat(revGrayCode);
+}
+
+grayCode = grayCode.map(x => parseInt(x, 2));
+console.log(grayCode);
-- 
cgit