回馈下牛客,春招尾端佛系做题,积点人品。 单选 . 多选 .填空 ->50 分 编程两题 ->50 分 1.找出不重複字符串子串各数 ex: abc -> 6个 example = 'abc' S = [i for i in example] def DO(s): num = len(s) res =[] for i in range(2**num): Str ='' for j in range(num): if(i >> j ) % 2 == 1...