56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
|
---
|
|||
|
|
id: 5900f4231000cf542c50ff34
|
|||
|
|
challengeType: 5
|
|||
|
|
title: 'Problem 181: Investigating in how many ways objects of two different colours can be grouped'
|
|||
|
|
videoUrl: ''
|
|||
|
|
localeTitle: 问题181：调查两种不同颜色的对象可以分组的方式
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## Description
|
|||
|
|
<section id="description">有三个黑色物体B和一个白色物体W它们可以用7种方式分组：（BBBW）（B，BBW）（B，B，BW）（B，B，B，W）（B，BB，W） （BBB，W）（BB，BW）在六十个黑色物体B和四十个白色物体W的分组方式中有多少种？ </section>
|
|||
|
|
|
|||
|
|
## Instructions
|
|||
|
|
<section id="instructions">
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
## Tests
|
|||
|
|
<section id='tests'>
|
|||
|
|
|
|||
|
|
```yml
|
|||
|
|
tests:
|
|||
|
|
- text: <code>euler181()</code>应该返回83735848679360670。
|
|||
|
|
testString: 'assert.strictEqual(euler181(), 83735848679360670, "<code>euler181()</code> should return 83735848679360670.");'
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
## Challenge Seed
|
|||
|
|
<section id='challengeSeed'>
|
|||
|
|
|
|||
|
|
<div id='js-seed'>
|
|||
|
|
|
|||
|
|
```js
|
|||
|
|
function euler181() {
|
|||
|
|
// Good luck!
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
euler181();
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
## Solution
|
|||
|
|
<section id='solution'>
|
|||
|
|
|
|||
|
|
```js
|
|||
|
|
// solution required
|
|||
|
|
```
|
|||
|
|
</section>
|