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First solution in Clear category for The Greatest Common Divisor by abc512
def greatest_common_divisor(*args):
g = lambda a, b: g(b%a, a) if b%a else a
return __import__('functools').reduce(g, sorted(args))
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert greatest_common_divisor(6, 4) == 2, "Simple"
assert greatest_common_divisor(2, 4, 8) == 2, "Three arguments"
assert greatest_common_divisor(2, 3, 5, 7, 11) == 1, "Prime numbers"
assert greatest_common_divisor(3, 9, 3, 9) == 3, "Repeating arguments"
Jan. 25, 2018
