freeCodeCamp/curriculum/challenges/arabic/08-coding-interview-prep/project-euler/problem-24-lexicographic-pe...

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---
id: 5900f3841000cf542c50fe97
challengeType: 5
title: 'Problem 24: Lexicographic permutations'
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'assert(lexicographicPermutations(699999) == 1938246570, "<code>lexicographicPermutations(699999)</code> should return 1938246570.");'
- text: ''
testString: 'assert(lexicographicPermutations(899999) == 2536987410, "<code>lexicographicPermutations(899999)</code> should return 2536987410.");'
- text: ''
testString: 'assert(lexicographicPermutations(900000) == 2537014689, "<code>lexicographicPermutations(900000)</code> should return 2537014689.");'
- text: ''
testString: 'assert(lexicographicPermutations(999999) == 2783915460, "<code>lexicographicPermutations(999999)</code> should return 2783915460.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function lexicographicPermutations(n) {
// Good luck!
return n;
}
lexicographicPermutations(999999);
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>