ee1e8abd87
* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
78 lines
1.1 KiB
Markdown
78 lines
1.1 KiB
Markdown
---
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id: 5a23c84252665b21eecc8040
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title: Sum multiples of 3 and 5
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challengeType: 5
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forumTopicId: 302332
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dashedName: sum-multiples-of-3-and-5
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---
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# --description--
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The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below *n*.
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# --hints--
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`sumMults` should be a function.
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```js
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assert(typeof sumMults == 'function');
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```
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`sumMults(10)` should return a number.
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```js
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assert(typeof sumMults(10) == 'number');
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```
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`sumMults(10)` should return `23`.
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```js
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assert.equal(sumMults(10), 23);
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```
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`sumMults(100)` should return `2318`.
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```js
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assert.equal(sumMults(100), 2318);
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```
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`sumMults(1000)` should return `233168`.
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```js
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assert.equal(sumMults(1000), 233168);
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```
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`sumMults(10000)` should return `23331668`.
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```js
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assert.equal(sumMults(10000), 23331668);
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```
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`sumMults(100000)` should return `2333316668`.
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```js
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assert.equal(sumMults(100000), 2333316668);
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```
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# --seed--
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## --seed-contents--
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```js
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function sumMults(n) {
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}
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```
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# --solutions--
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```js
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function sumMults(n) {
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var sum = 0;
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for (var i = 1; i < n; i++) {
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if (i % 3 == 0 || i % 5 == 0) sum += i;
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}
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return sum;
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}
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```
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