Solution for Day 06

2020-12-06 12:43:28 +01:00
parent d594513bb6
commit 06fa5766ad
3 changed files with 2232 additions and 0 deletions
--- a/day_06/second.rb
+++ b/day_06/second.rb
@ -0,0 +1,3 @@
+input = File.read('./input').split("\n\n")
+
+puts input.map{|g|g.split("\n").map{|e|e.chars}.inject(:&).join.chars.uniq.count}.sum