freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-8-largest-product-i...

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---
id: 5900f3741000cf542c50fe87
challengeType: 5
title: 'Problem 8: Largest product in a series'
videoUrl: ''
localeTitle: 问题8系列中最大的产品
---
## Description
<section id="description">具有最大乘积的1000位数字中的四个相邻数字是9×9×8×9 = 5832。 <div style="text-align: center;"> 73167176531330624919225119674426574742355349194934 </div><div style="text-align: center;"> 96983520312774506326239578318016984801869478851843 </div><div style="text-align: center;"> 85861560789112949495459501737958331952853208805511 </div><div style="text-align: center;"> 12540698747158523863050715693290963295227443043557 </div><div style="text-align: center;"> 66896648950445244523161731856403098711121722383113 </div><div style="text-align: center;"> 62229893423380308135336276614282806444486645238749 </div><div style="text-align: center;"> 30358907296290491560440772390713810515859307960866 </div><div style="text-align: center;"> 70172427121883998797908792274921901699720888093776 </div><div style="text-align: center;"> 65727333001053367881220235421809751254540594752243 </div><div style="text-align: center;"> 52584907711670556013604839586446706324415722155397 </div><div style="text-align: center;"> 53697817977846174064955149290862569321978468622482 </div><div style="text-align: center;"> 83972241375657056057490261407972968652414535100474 </div><div style="text-align: center;"> 82166370484403199890008895243450658541227588666881 </div><div style="text-align: center;"> 16427171479924442928230863465674813919123162824586 </div><div style="text-align: center;"> 17866458359124566529476545682848912883142607690042 </div><div style="text-align: center;"> 24219022671055626321111109370544217506941658960408 </div><div style="text-align: center;"> 07198403850962455444362981230987879927244284909188 </div><div style="text-align: center;"> 84580156166097919133875499200524063689912560717606 </div><div style="text-align: center;"> 05886116467109405077541002256983155200055935729725 </div><div style="text-align: center;"> 71636269561882670428252483600823257530420752963450 </div>找到具有最大乘积的1000位数字中的<code>n</code>相邻数字。这个产品有什么价值? </section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>largestProductinaSeries(4)</code>应该返回5832。
testString: 'assert.strictEqual(largestProductinaSeries(4), 5832, "<code>largestProductinaSeries(4)</code> should return 5832.");'
- text: <code>largestProductinaSeries(13)</code>应返回23514624000。
testString: 'assert.strictEqual(largestProductinaSeries(13), 23514624000, "<code>largestProductinaSeries(13)</code> should return 23514624000.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function largestProductinaSeries(n) {
// Good luck!
let thousandDigits = [7,3,1,6,7,1,7,6,5,3,1,3,3,0,6,2,4,9,1,9,2,2,5,1,1,9,6,7,4,4,2,6,5,7,4,7,4,2,3,5,5,3,4,9,1,9,4,9,3,4,9,6,9,8,3,5,2,0,3,1,2,7,7,4,5,0,6,3,2,6,2,3,9,5,7,8,3,1,8,0,1,6,9,8,4,8,0,1,8,6,9,4,7,8,8,5,1,8,4,3,8,5,8,6,1,5,6,0,7,8,9,1,1,2,9,4,9,4,9,5,4,5,9,5,0,1,7,3,7,9,5,8,3,3,1,9,5,2,8,5,3,2,0,8,8,0,5,5,1,1,1,2,5,4,0,6,9,8,7,4,7,1,5,8,5,2,3,8,6,3,0,5,0,7,1,5,6,9,3,2,9,0,9,6,3,2,9,5,2,2,7,4,4,3,0,4,3,5,5,7,6,6,8,9,6,6,4,8,9,5,0,4,4,5,2,4,4,5,2,3,1,6,1,7,3,1,8,5,6,4,0,3,0,9,8,7,1,1,1,2,1,7,2,2,3,8,3,1,1,3,6,2,2,2,9,8,9,3,4,2,3,3,8,0,3,0,8,1,3,5,3,3,6,2,7,6,6,1,4,2,8,2,8,0,6,4,4,4,4,8,6,6,4,5,2,3,8,7,4,9,3,0,3,5,8,9,0,7,2,9,6,2,9,0,4,9,1,5,6,0,4,4,0,7,7,2,3,9,0,7,1,3,8,1,0,5,1,5,8,5,9,3,0,7,9,6,0,8,6,6,7,0,1,7,2,4,2,7,1,2,1,8,8,3,9,9,8,7,9,7,9,0,8,7,9,2,2,7,4,9,2,1,9,0,1,6,9,9,7,2,0,8,8,8,0,9,3,7,7,6,6,5,7,2,7,3,3,3,0,0,1,0,5,3,3,6,7,8,8,1,2,2,0,2,3,5,4,2,1,8,0,9,7,5,1,2,5,4,5,4,0,5,9,4,7,5,2,2,4,3,5,2,5,8,4,9,0,7,7,1,1,6,7,0,5,5,6,0,1,3,6,0,4,8,3,9,5,8,6,4,4,6,7,0,6,3,2,4,4,1,5,7,2,2,1,5,5,3,9,7,5,3,6,9,7,8,1,7,9,7,7,8,4,6,1,7,4,0,6,4,9,5,5,1,4,9,2,9,0,8,6,2,5,6,9,3,2,1,9,7,8,4,6,8,6,2,2,4,8,2,8,3,9,7,2,2,4,1,3,7,5,6,5,7,0,5,6,0,5,7,4,9,0,2,6,1,4,0,7,9,7,2,9,6,8,6,5,2,4,1,4,5,3,5,1,0,0,4,7,4,8,2,1,6,6,3,7,0,4,8,4,4,0,3,1,9,9,8,9,0,0,0,8,8,9,5,2,4,3,4,5,0,6,5,8,5,4,1,2,2,7,5,8,8,6,6,6,8,8,1,1,6,4,2,7,1,7,1,4,7,9,9,2,4,4,4,2,9,2,8,2,3,0,8,6,3,4,6,5,6,7,4,8,1,3,9,1,9,1,2,3,1,6,2,8,2,4,5,8,6,1,7,8,6,6,4,5,8,3,5,9,1,2,4,5,6,6,5,2,9,4,7,6,5,4,5,6,8,2,8,4,8,9,1,2,8,8,3,1,4,2,6,0,7,6,9,0,0,4,2,2,4,2,1,9,0,2,2,6,7,1,0,5,5,6,2,6,3,2,1,1,1,1,1,0,9,3,7,0,5,4,4,2,1,7,5,0,6,9,4,1,6,5,8,9,6,0,4,0,8,0,7,1,9,8,4,0,3,8,5,0,9,6,2,4,5,5,4,4,4,3,6,2,9,8,1,2,3,0,9,8,7,8,7,9,9,2,7,2,4,4,2,8,4,9,0,9,1,8,8,8,4,5,8,0,1,5,6,1,6,6,0,9,7,9,1,9,1,3,3,8,7,5,4,9,9,2,0,0,5,2,4,0,6,3,6,8,9,9,1,2,5,6,0,7,1,7,6,0,6,0,5,8,8,6,1,1,6,4,6,7,1,0,9,4,0,5,0,7,7,5,4,1,0,0,2,2,5,6,9,8,3,1,5,5,2,0,0,0,5,5,9,3,5,7,2,9,7,2,5,7,1,6,3,6,2,6,9,5,6,1,8,8,2,6,7,0,4,2,8,2,5,2,4,8,3,6,0,0,8,2,3,2,5,7,5,3,0,4,2,0,7,5,2,9,6,3,4,5,0];
return true;
}
largestProductinaSeries(13);
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>