66 lines
1.6 KiB
Markdown
66 lines
1.6 KiB
Markdown
|
---
|
|||
|
|
title: Averages-Mode
|
|||
|
|
id: 594d8d0ab97724821379b1e6
|
|||
|
|
challengeType: 5
|
|||
|
|
videoUrl: ''
|
|||
|
|
localeTitle: 平均值模式
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## Description
|
|||
|
|
<section id="description"><p>编写程序以查找集合的<a href="https://en.wikipedia.org/wiki/Mode (statistics)" title="wp：模式（统计）">模式</a>值。 </p><p>可以忽略集合为空的情况。必须小心处理模式不唯一的情况。 </p><p>如果不适合或不可能支持常规集合，请尽可能使用向量（数组）。如果不适合或不可能支持未指定的值类型，请使用整数。 </p></section>
|
|||
|
|
|
|||
|
|
## Instructions
|
|||
|
|
<section id="instructions">
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
## Tests
|
|||
|
|
<section id='tests'>
|
|||
|
|
|
|||
|
|
```yml
|
|||
|
|
tests:
|
|||
|
|
- text: <code>mode</code>是一种功能。
|
|||
|
|
testString: 'assert(typeof mode === "function", "<code>mode</code> is a function.");'
|
|||
|
|
- text: '<code>mode([1, 3, 6, 6, 6, 6, 7, 7, 12, 12, 17])</code>应该相等<code>[6]</code>'
|
|||
|
|
testString: 'assert.deepEqual(mode(arr1), [6], "<code>mode([1, 3, 6, 6, 6, 6, 7, 7, 12, 12, 17])</code> should equal <code>[6]</code>");'
|
|||
|
|
- text: '<code>mode([1, 2, 4, 4, 1])</code>应该等于<code>[1, 4]</code> 。'
|
|||
|
|
testString: 'assert.deepEqual(mode(arr2).sort(), [1, 4], "<code>mode([1, 2, 4, 4, 1])</code> should equal <code>[1, 4]</code>.");'
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
## Challenge Seed
|
|||
|
|
<section id='challengeSeed'>
|
|||
|
|
|
|||
|
|
<div id='js-seed'>
|
|||
|
|
|
|||
|
|
```js
|
|||
|
|
function mode (arr) {
|
|||
|
|
// Good luck!
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
### After Test
|
|||
|
|
<div id='js-teardown'>
|
|||
|
|
|
|||
|
|
```js
|
|||
|
|
console.info('after the test');
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</section>
|
|||
|
|
|
|||
|
|
## Solution
|
|||
|
|
<section id='solution'>
|
|||
|
|
|
|||
|
|
```js
|
|||
|
|
// solution required
|
|||
|
|
```
|
|||
|
|
</section>
|