74 lines
1.7 KiB
Markdown
74 lines
1.7 KiB
Markdown
---
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id: 5900f36e1000cf542c50fe80
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challengeType: 5
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title: 'Problem 1: Multiples of 3 and 5'
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---
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## Description
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<section id='description'>
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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.
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Find the sum of all the multiples of 3 or 5 below the provided parameter value <code>number</code>.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>multiplesOf3and5(1000)</code> should return 233168.
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testString: 'assert.strictEqual(multiplesOf3and5(1000), 233168, "<code>multiplesOf3and5(1000)</code> should return 233168.");'
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- text: <code>multiplesOf3and5(49)</code> should return 543.
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testString: 'assert.strictEqual(multiplesOf3and5(49), 543, "<code>multiplesOf3and5(49)</code> should return 543.");'
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- text: <code>multiplesOf3and5(19564)</code> should return 89301183.
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testString: 'assert.strictEqual(multiplesOf3and5(19564), 89301183, "<code>multiplesOf3and5(19564)</code> should return 89301183.");'
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- text: Your function is not returning the correct result using our tests values.
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testString: 'assert.strictEqual(multiplesOf3and5(8456), 16687353, "Your function is not returning the correct result using our tests values.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function multiplesOf3and5(number) {
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// Good luck!
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return true;
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}
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multiplesOf3and5(1000);
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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const multiplesOf3and5 = (number) => {
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var total = 0;
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for(var i = 0; i < number; i++) {
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if(i % 3 == 0 || i % 5 == 0) {
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total += i;
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}
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}
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return total;
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};
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```
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</section>
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