Sum multiples of 3 and 5: Difference between revisions
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m (→version 3: added/changed whitespace and comments, used templates for the output sections.) |
(→{{header|Ruby}}: use sum method) |
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Simple Version (Slow): |
Simple Version (Slow): |
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<lang ruby>def sum35(n) |
<lang ruby>def sum35(n) |
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(1...n).select{|i|i%3==0 or i%5==0}. |
(1...n).select{|i|i%3==0 or i%5==0}.sum |
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end |
end |
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puts sum35(1000) #=> 233168</lang> |
puts sum35(1000) #=> 233168</lang> |
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