10 lines
213 B
Ruby
10 lines
213 B
Ruby
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def multiples_of_three_and_five_below(n)
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multiples = []
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(3..n-1).each do |i|
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multiples << i if ((i % 3 == 0) || (i % 5 == 0))
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end
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multiples
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end
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puts multiples_of_three_and_five_below(1000).inject(:+)
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