freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-458-permutations-of...

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---
id: 5900f5361000cf542c510049
challengeType: 5
videoUrl: ''
2020-10-01 15:54:21 +00:00
title: 问题458项目的排列
---
## Description
<section id="description">考虑由“项目”一词的字母组成的字母AA = {cejoprt}。令Tn为长度为n的字符串数该字符串由来自A的字母组成其中没有子字符串该子字符串是“项目”的5040个排列之一。 <p> T7= 77-7= 818503。 </p><p>找到T1012。给出答案的最后9位数字。 </p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler458()</code>应该返回423341841。
testString: assert.strictEqual(euler458(), 423341841);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler458() {
// Good luck!
return true;
}
euler458();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>