56 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			56 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | id: 5900f39d1000cf542c50feb0 | |||
|  | challengeType: 5 | |||
|  | title: 'Problem 49: Prime permutations' | |||
|  | videoUrl: '' | |||
|  | localeTitle: 问题49:主要排列 | |||
|  | --- | |||
|  | 
 | |||
|  | ## Description
 | |||
|  | <section id="description">算术序列1487,4817,8147,其中每个项增加3330,在两个方面是不寻常的:(i)三个项中的每一个都是素数,并且,(ii)每个4位数字是彼此的排列。没有由三个1位,2位或3位数的素数组成的算术序列,表现出这种性质,但还有另外一个4位数的增加序列。你通过连接这个序列中的三个术语来形成12位数字? </section> | |||
|  | 
 | |||
|  | ## Instructions
 | |||
|  | <section id="instructions"> | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Tests
 | |||
|  | <section id='tests'> | |||
|  | 
 | |||
|  | ```yml | |||
|  | tests: | |||
|  |   - text: <code>primePermutations()</code>应该返回296962999629。 | |||
|  |     testString: 'assert.strictEqual(primePermutations(), 296962999629, "<code>primePermutations()</code> should return 296962999629.");' | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Challenge Seed
 | |||
|  | <section id='challengeSeed'> | |||
|  | 
 | |||
|  | <div id='js-seed'> | |||
|  | 
 | |||
|  | ```js | |||
|  | function primePermutations() { | |||
|  |   // Good luck! | |||
|  |   return true; | |||
|  | } | |||
|  | 
 | |||
|  | primePermutations(); | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </div> | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Solution
 | |||
|  | <section id='solution'> | |||
|  | 
 | |||
|  | ```js | |||
|  | // solution required | |||
|  | ``` | |||
|  | </section> |