14 lines
279 B
Ruby
14 lines
279 B
Ruby
# frozen_string_literal: true
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input = File.readlines('./input').map(&:to_i)
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preamble = 25
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input.each_with_index do |_line, i|
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next if i < preamble
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unless input[i - preamble, preamble].combination(2).find { |a, b| a + b == input[i] }
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puts input[i]
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return
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end
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end
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