56 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			56 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | id: 5900f5481000cf542c51005b | |||
|  | challengeType: 5 | |||
|  | title: 'Problem 476: Circle Packing II' | |||
|  | videoUrl: '' | |||
|  | localeTitle: 问题476:圆形包装II | |||
|  | --- | |||
|  | 
 | |||
|  | ## Description
 | |||
|  | <section id="description">令R(a,b,c)为具有边长a,b和c的三角形内的三个非重叠圆所覆盖的最大面积。令S(n)为R(a,b,c)在所有整数三元组(a,b,c)上的平均值,使得1≤a≤b≤c<a +b≤n给出S(2) )= R(1,1,1)≈0.31998,S(5)≈1.25899。查找S(1803)四舍五入到小数点后面的小数点后5位。 </section> | |||
|  | 
 | |||
|  | ## Instructions
 | |||
|  | <section id="instructions"> | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Tests
 | |||
|  | <section id='tests'> | |||
|  | 
 | |||
|  | ```yml | |||
|  | tests: | |||
|  |   - text: <code>euler476()</code>应返回110242.87794。 | |||
|  |     testString: 'assert.strictEqual(euler476(), 110242.87794, "<code>euler476()</code> should return 110242.87794.");' | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Challenge Seed
 | |||
|  | <section id='challengeSeed'> | |||
|  | 
 | |||
|  | <div id='js-seed'> | |||
|  | 
 | |||
|  | ```js | |||
|  | function euler476() { | |||
|  |   // Good luck! | |||
|  |   return true; | |||
|  | } | |||
|  | 
 | |||
|  | euler476(); | |||
|  | 
 | |||
|  | ``` | |||
|  | 
 | |||
|  | </div> | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 | |||
|  | </section> | |||
|  | 
 | |||
|  | ## Solution
 | |||
|  | <section id='solution'> | |||
|  | 
 | |||
|  | ```js | |||
|  | // solution required | |||
|  | ``` | |||
|  | </section> |