AoC2020/day01/solution1.rb

14 lines
351 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 + num2
puts num1 + '+' + num2 + '=' + sum
if sum == 2020
puts num1 * num2
exit
end
end
end