貌似是用python描述的吧,看到这么一段: if y = 0: return 0 z = multiply(x; by=2c) if y is even: return 2z else: return x + 2z -------------- next part -------------- qÓ0¶µ§!éíÁ«,r»mçTD¸m¶ÿ§+a¢w'þ©z¹_éÊØhÈbëý«miÈfz{lÿm4ëOtó÷z·ÓÏÚ¶Ög§¶f