@[Tokubara](/user/251011)
宏定义改一下
```cpp
#define abs(x) ((x)>=0?(x):(-(x)))
```
by Smile_Cindy @ 2022-06-23 17:44:54
(-x) 改成 -(x)
by gxy001 @ 2022-06-23 17:44:58
感谢! 发现错误了
by Tokubara @ 2022-06-24 09:18:44