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gists/Array combinations
J. Fernando Sánchez f191ccf557
2014-02-24 03:18:39 -08:00

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