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			10 lines
		
	
	
		
			313 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			10 lines
		
	
	
		
			313 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
def array_combinations(*args):
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    combinations = [[i] for i in args[0]]
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    for arg in args[1:]:
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        tempcomb = []
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        for i in arg:
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            tempcomb += [c+[i] for c in combinations if i not in c ]
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        combinations = tempcomb
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    return combinations
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res = array_combinations(a,b,c)
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print len(res) |