AoC2020/day01/solution1.rb

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