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			1.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| id: 5900f5481000cf542c51005b
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| challengeType: 5
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| title: 'Problem 476: Circle Packing II'
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| videoUrl: ''
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| localeTitle: 问题476:圆形包装II
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| ---
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| 
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| ## Description
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| <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>
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| 
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| ## Instructions
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| <section id="instructions">
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| </section>
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| 
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| ## Tests
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| <section id='tests'>
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| 
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| ```yml
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| tests:
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|   - text: <code>euler476()</code>应返回110242.87794。
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|     testString: assert.strictEqual(euler476(), 110242.87794);
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| 
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| ```
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| 
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| </section>
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| 
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| ## Challenge Seed
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| <section id='challengeSeed'>
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| 
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| <div id='js-seed'>
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| 
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| ```js
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| function euler476() {
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|   // Good luck!
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|   return true;
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| }
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| 
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| euler476();
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| 
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| ```
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| 
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| </div>
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| 
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| 
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| 
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| </section>
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| 
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| ## Solution
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| <section id='solution'>
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| 
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| ```js
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| // solution required
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| ```
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| 
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| /section>
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