AoC2020/day01/solution1.rb

14 lines
388 B
Ruby
Executable File

#!/bin/env ruby
#Find the two entries that sum to 2020; what do you get if you multiply them together?
numbers = File.readlines('./input')
numbers.each do |num1|
numbers.each do |num2|
sum = num1.to_i + num2.to_i
puts num1.strip + '+' + num2.strip + '=' + sum.to_s
if sum == 2020
puts num1.to_i * num2.to_i
exit
end
end
end