60 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			60 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
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								---
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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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