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49 lines
1.2 KiB
Markdown
49 lines
1.2 KiB
Markdown
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# 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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## Elm Installation
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Refer to the [Exercism help page](http://exercism.io/languages/elm) for Elm
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installation and learning resources.
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## Writing the Code
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The first time you start an exercise, you'll need to ensure you have the
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appropriate dependencies installed.
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```bash
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$ npm install
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```
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Execute the tests with:
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```bash
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$ npm test
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```
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Automatically run tests again when you save changes:
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```bash
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$ npm run watch
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```
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As you work your way through the test suite, be sure to remove the `skip <|`
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calls from each test until you get them all passing!
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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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