61460c8601
search and replace ```\n< with ```\n\n< to ensure there's an empty line before closing tags
57 lines
840 B
Markdown
57 lines
840 B
Markdown
---
|
||
id: 5900f4651000cf542c50ff77
|
||
challengeType: 5
|
||
title: 'Problem 248: Numbers for which Euler’s totient function equals 13!'
|
||
videoUrl: ''
|
||
localeTitle: 问题248：Euler的totient函数等于13的数字！
|
||
---
|
||
|
||
## Description
|
||
<section id="description"> φ（n）= 13的第一个数字n！是6227180929.找到第150,000个这样的数字。 </section>
|
||
|
||
## Instructions
|
||
<section id="instructions">
|
||
</section>
|
||
|
||
## Tests
|
||
<section id='tests'>
|
||
|
||
```yml
|
||
tests:
|
||
- text: <code>euler248()</code>应返回23507044290。
|
||
testString: assert.strictEqual(euler248(), 23507044290);
|
||
|
||
```
|
||
|
||
</section>
|
||
|
||
## Challenge Seed
|
||
<section id='challengeSeed'>
|
||
|
||
<div id='js-seed'>
|
||
|
||
```js
|
||
function euler248() {
|
||
// Good luck!
|
||
return true;
|
||
}
|
||
|
||
euler248();
|
||
|
||
```
|
||
|
||
</div>
|
||
|
||
|
||
|
||
</section>
|
||
|
||
## Solution
|
||
<section id='solution'>
|
||
|
||
```js
|
||
// solution required
|
||
```
|
||
|
||
/section>
|