56 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			56 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | id: 5900f3e81000cf542c50fefb | |||
|  | challengeType: 5 | |||
|  | title: 'Problem 124: Ordered radicals' | |||
|  | videoUrl: '' | |||
|  | localeTitle: 问题124:有序的激进分子 | |||
|  | --- | |||
|  | 
 | |||
|  | ## Description
 | |||
|  | <section id="description"> n,rad(n)的基数是n的不同素因子的乘积。例如,504 = 23×32×7,因此rad(504)= 2×3×7 = 42.如果我们计算1≤n≤10的rad(n),则在rad(n)上对它们进行排序,并进行排序如果激进值相等,我们得到:未分类<p>排序n rad(n) </p><p> n rad(n)k 11 </p><p> 111 22 </p><p> 222 33 </p><p> 423 42 </p><p> 824 55 </p><p> 335 66 </p><p> 936 77 </p><p> 557 82 </p><p> 668 93 </p><p> 779 1010 </p><p> 101010令E(k)为有序n列中的第k个元素;例如,E(4)= 8且E(6)= 9.如果rad(n)按1≤n≤100000排序,则找到E(10000)。 </p></section> | |||
|  | 
 | |||
|  | ## Instructions
 | |||
|  | <section id="instructions"> | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Tests
 | |||
|  | <section id='tests'> | |||
|  | 
 | |||
|  | ```yml | |||
|  | tests: | |||
|  |   - text: <code>euler124()</code>应返回21417。 | |||
|  |     testString: 'assert.strictEqual(euler124(), 21417, "<code>euler124()</code> should return 21417.");' | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Challenge Seed
 | |||
|  | <section id='challengeSeed'> | |||
|  | 
 | |||
|  | <div id='js-seed'> | |||
|  | 
 | |||
|  | ```js | |||
|  | function euler124() { | |||
|  |   // Good luck! | |||
|  |   return true; | |||
|  | } | |||
|  | 
 | |||
|  | euler124(); | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </div> | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Solution
 | |||
|  | <section id='solution'> | |||
|  | 
 | |||
|  | ```js | |||
|  | // solution required | |||
|  | ``` | |||
|  | </section> |