20 lines
701 B
Markdown
20 lines
701 B
Markdown
# Sum Of Multiples
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Given a number, find the sum of all the multiples of particular numbers up to
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but not including that number.
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If we list all the natural numbers up to but not including 20 that are
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multiples of either 3 or 5, we get 3, 5, 6 and 9, 10, 12, 15, and 18.
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The sum of these multiples is 78.
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Given a number, find the sum of the multiples of a given set of numbers,
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up to but not including that number.
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## Source
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A variation on Problem 1 at Project Euler [http://projecteuler.net/problem=1](http://projecteuler.net/problem=1)
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## Submitting Incomplete Solutions
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It's possible to submit an incomplete solution so you can see how others have completed the exercise.
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