数字比较游戏：小磊和小萌谁的正整数数字符号种类更多？

```python def count_digits(num): digit_set = set() while num > 0: digit = num % 10 digit_set.add(digit) num //= 10 return len(digit_set) n, m = map(int, input().split()) n_digits = count_digits(n) m_digits = count_digits(m) if n_digits > m_digits: print("congratulations, xiaolei.") elif n_digits < m_digits: print("congratulations, xiaomeng.") else: print("we both win.") ``` ######[AI写代码神器 | 158点数解答 | 2024-10-18 11:52:41]