56 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			56 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | id: 5900f4791000cf542c50ff8c | |||
|  | challengeType: 5 | |||
|  | title: 'Problem 269: Polynomials with at least one integer root' | |||
|  | videoUrl: '' | |||
|  | localeTitle: 问题269:具有至少一个整数根的多项式 | |||
|  | --- | |||
|  | 
 | |||
|  | ## Description
 | |||
|  | <section id="description">多项式P(x)的根或零是等式P(x)= 0的解。将Pn定义为其系数是n的数字的多项式。例如,P5703(x)= 5x3 + 7x2 + 3。 <p>我们可以看到:Pn(0)是n的最后一位,Pn(1)是n的位数之和,Pn(10)是n本身。定义Z(k)作为正整数的数量,n ,不超过多项式Pn具有至少一个整数根的k。 </p><p>可以证实Z(100 000)是14696。 </p><p>什么是Z(1016)? </p></section> | |||
|  | 
 | |||
|  | ## Instructions
 | |||
|  | <section id="instructions"> | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Tests
 | |||
|  | <section id='tests'> | |||
|  | 
 | |||
|  | ```yml | |||
|  | tests: | |||
|  |   - text: <code>euler269()</code>应该返回1311109198529286。 | |||
|  |     testString: 'assert.strictEqual(euler269(), 1311109198529286, "<code>euler269()</code> should return 1311109198529286.");' | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Challenge Seed
 | |||
|  | <section id='challengeSeed'> | |||
|  | 
 | |||
|  | <div id='js-seed'> | |||
|  | 
 | |||
|  | ```js | |||
|  | function euler269() { | |||
|  |   // Good luck! | |||
|  |   return true; | |||
|  | } | |||
|  | 
 | |||
|  | euler269(); | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </div> | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Solution
 | |||
|  | <section id='solution'> | |||
|  | 
 | |||
|  | ```js | |||
|  | // solution required | |||
|  | ``` | |||
|  | </section> |