* fix(curriculum): tests quotes * fix(curriculum): fill seed-teardown * fix(curriculum): fix tests and remove unneeded seed-teardown
		
			
				
	
	
		
			66 lines
		
	
	
		
			986 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			986 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| id: 5900f4e81000cf542c50fffa
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| challengeType: 5
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| title: 'Problem 379: Least common multiple count'
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| ---
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| 
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| ## Description
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| <section id='description'>
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| Let f(n) be the number of couples (x,y) with x and y positive integers, x ≤ y and the least common multiple of x and y equal to n.
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| 
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| 
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| Let g be the summatory function of f, i.e.:
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| g(n) = ∑ f(i)  for 1 ≤ i ≤ n.
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| 
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| 
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| You are given that g(106) = 37429395.
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| 
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| 
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| Find g(1012).
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| </section>
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| 
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| ## Instructions
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| <section id='instructions'>
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| 
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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>euler379()</code> should return 132314136838185.
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|     testString: assert.strictEqual(euler379(), 132314136838185, '<code>euler379()</code> should return 132314136838185.');
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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 euler379() {
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|   // Good luck!
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|   return true;
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| }
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| 
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| euler379();
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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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| </section>
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