样例通过，但每一个测试点都显示输出为0
by W_Sibo @ 2024-06-30 19:46:35
```cpp
if(deep<=0){
return;
}
by renzhanwen @ 2024-06-30 19:54:17
@[renzhanwen](/user/1244509) thx,已关
by W_Sibo @ 2024-08-21 14:04:37
此贴结
by W_Sibo @ 2024-08-21 15:24:03