16 lines
168 B
Ruby
16 lines
168 B
Ruby
max = 4_000_000
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a, b = 1, 2
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c = 3
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sum = 0
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while b < max do
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sum += b if b % 2 == 0
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c = (a + b)
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puts "#{c} = #{a} + #{b}"
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a, b = b, c
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end
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puts sum
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# 4613732 |