60 lines
1.6 KiB
Markdown
60 lines
1.6 KiB
Markdown
---
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id: 5900f37d1000cf542c50fe90
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challengeType: 5
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title: 'Problem 17: Number letter counts'
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videoUrl: ''
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localeTitle: 问题17：数字字母计数
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---
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## Description
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<section id="description">如果数字1到5用文字写出：一，二，三，四，五，则总共使用3 + 3 + 5 + 4 + 4 = 19个字母。如果从1到包含<code>limit</code>所有数字都用文字写出，那么会使用多少个字母？ <b>注意：</b>不要计算空格或连字符。例如，342（三百四十二）包含23个字母，115（一百一十五）包含20个字母。在写出数字时使用“和”符合英国的用法。 </section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>numberLetterCounts(5)</code>应返回19。
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testString: 'assert.strictEqual(numberLetterCounts(5), 19, "<code>numberLetterCounts(5)</code> should return 19.");'
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- text: <code>numberLetterCounts(150)</code>应该返回1903。
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testString: 'assert.strictEqual(numberLetterCounts(150), 1903, "<code>numberLetterCounts(150)</code> should return 1903.");'
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- text: <code>numberLetterCounts(1000)</code>应该返回21124。
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testString: 'assert.strictEqual(numberLetterCounts(1000), 21124, "<code>numberLetterCounts(1000)</code> should return 21124.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function numberLetterCounts(limit) {
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// Good luck!
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return true;
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}
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numberLetterCounts(5);
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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