From 487c3425a23ef52c6de3c045f1110d5e7342d042 Mon Sep 17 00:00:00 2001
From: Nat Lasseter <user@4574.co.uk>
Date: Tue, 22 Oct 2019 18:40:19 +0100
Subject: Day 14, part 2 not working (very slow)

---
 day14/part1 | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 day14/part1

(limited to 'day14/part1')

diff --git a/day14/part1 b/day14/part1
new file mode 100755
index 0000000..2f46375
--- /dev/null
+++ b/day14/part1
@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+
+input = $stdin.readlines[0].strip.to_i
+
+scores = [3, 7]
+elf1 = 0
+elf2 = 1
+
+loop do
+  se1 = scores[elf1]
+  se2 = scores[elf2]
+
+  sum = se1 + se2
+  scores += sum.to_s.chars.map(&:to_i)
+  
+  slen = scores.length
+
+  elf1 = (elf1 + 1 + se1) % slen
+  elf2 = (elf2 + 1 + se2) % slen
+
+  break if slen > (input + 10)
+end
+
+puts scores[input...(input+10)].join
-- 
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