diff --git a/day01/solution2.rb b/day01/solution2.rb new file mode 100644 index 0000000..c6e4145 --- /dev/null +++ b/day01/solution2.rb @@ -0,0 +1,16 @@ +#!/bin/env ruby +#Find the three entries that sum to 2020; what do you get if you multiply them together? + +numbers = File.readlines('./input') +numbers.map! { |s| s.to_i} +numbers.each do |num1| + numbers.each do |num2| + numbers.each do |num3| + sum = num1 + num2 + num3 + puts num1.to_s + '+' + num2.to_s + '+' + num3.to_s + '=' + sum.to_s + if sum == 2020 + puts num1 * num2 * num3 + exit + end + end +end \ No newline at end of file