Created
July 1, 2012 17:24
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Project Euler Problem 1 Ruby
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| # If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. | |
| # Find the sum of all the multiples of 3 or 5 below 1000. | |
| sum, i = 0, 0 | |
| while i < 1000 | |
| sum += i if i % 3 == 0 || i % 5 == 0 | |
| i += 1 | |
| end | |
| puts sum # => 233168 |
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