12 lines
		
	
	
		
			147 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
		
			147 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
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SIZE = 1001
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SIDES = 4
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sum = 1;
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result=1;
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(2...SIZE).step(2) { |add|
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	SIDES.downto(1) { 
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		sum += add;
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		result += sum;
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	}
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}
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puts result |