From 8bd7ab3b2f80104dca12bd51ffd7594b02ff7625 Mon Sep 17 00:00:00 2001
From: s00ner <s00ner@doublehack.me>
Date: Wed, 10 Nov 2021 11:44:37 -0500
Subject: [PATCH] solved part 2

---
 day01/solution.rb | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/day01/solution.rb b/day01/solution.rb
index ec1b41c..81e7363 100644
--- a/day01/solution.rb
+++ b/day01/solution.rb
@@ -2,4 +2,14 @@
 # Sum all numbers in the text file.
 
 # Part 1
-sum = File.readlines('./input').map { |line| line.to_i)}.sum
+sum = File.readlines('./input').map { |line| line.to_i}.sum
+
+# Part 2
+numbers = File.readlines('./input').map { |line| line.to_i}
+freqs = [0]
+
+numbers.cycle do |num|
+    freqs.push(freqs[-1] + num)
+    break if freqs[0..-2].include?(freqs[-1])
+end
+puts freqs[-1]