41 lines
		
	
	
		
			549 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			41 lines
		
	
	
		
			549 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | ||
|  | id: 5900f4e11000cf542c50fff3 | ||
|  | title: 'Problem 372: Pencils of rays' | ||
|  | challengeType: 5 | ||
|  | forumTopicId: 302034 | ||
|  | dashedName: problem-372-pencils-of-rays | ||
|  | --- | ||
|  | 
 | ||
|  | # --description--
 | ||
|  | 
 | ||
|  | Let R(M, N) be the number of lattice points (x, y) which satisfy M | ||
|  | 
 | ||
|  | Note: represents the floor function. | ||
|  | 
 | ||
|  | # --hints--
 | ||
|  | 
 | ||
|  | `euler372()` should return 301450082318807040. | ||
|  | 
 | ||
|  | ```js | ||
|  | assert.strictEqual(euler372(), 301450082318807040); | ||
|  | ``` | ||
|  | 
 | ||
|  | # --seed--
 | ||
|  | 
 | ||
|  | ## --seed-contents--
 | ||
|  | 
 | ||
|  | ```js | ||
|  | function euler372() { | ||
|  | 
 | ||
|  |   return true; | ||
|  | } | ||
|  | 
 | ||
|  | euler372(); | ||
|  | ``` | ||
|  | 
 | ||
|  | # --solutions--
 | ||
|  | 
 | ||
|  | ```js | ||
|  | // solution required | ||
|  | ``` |