58 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			58 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | id: 5900f3701000cf542c50fe83 | |||
|  | challengeType: 5 | |||
|  | title: 'Problem 4: Largest palindrome product' | |||
|  | videoUrl: '' | |||
|  | localeTitle: 问题4:最大的回文产品 | |||
|  | --- | |||
|  | 
 | |||
|  | ## Description
 | |||
|  | <section id="description">回文数字读取两种方式相同。由两个2位数字的乘积制成的最大回文是9009 = 91×99。找到由两个<code>n</code>数字的乘积制成的最大回文。 </section> | |||
|  | 
 | |||
|  | ## Instructions
 | |||
|  | <section id="instructions"> | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Tests
 | |||
|  | <section id='tests'> | |||
|  | 
 | |||
|  | ```yml | |||
|  | tests: | |||
|  |   - text: <code>largestPalindromeProduct(2)</code>应返回9009。 | |||
|  |     testString: 'assert.strictEqual(largestPalindromeProduct(2), 9009, "<code>largestPalindromeProduct(2)</code> should return 9009.");' | |||
|  |   - text: <code>largestPalindromeProduct(3)</code>应返回906609。 | |||
|  |     testString: 'assert.strictEqual(largestPalindromeProduct(3), 906609, "<code>largestPalindromeProduct(3)</code> should return 906609.");' | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Challenge Seed
 | |||
|  | <section id='challengeSeed'> | |||
|  | 
 | |||
|  | <div id='js-seed'> | |||
|  | 
 | |||
|  | ```js | |||
|  | function largestPalindromeProduct(n) { | |||
|  |   // Good luck! | |||
|  |   return true; | |||
|  | } | |||
|  | 
 | |||
|  | largestPalindromeProduct(3); | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </div> | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Solution
 | |||
|  | <section id='solution'> | |||
|  | 
 | |||
|  | ```js | |||
|  | // solution required | |||
|  | ``` | |||
|  | </section> |