前天就是因为这个才发帖求助的……
by info___tion @ 2019-07-20 14:36:46
E? 所以define要记得打括号，我也因为这个被坑过
by LordLeft @ 2019-07-20 14:37:37
@[LordLeft](/space/show?uid=178864) 主要是`#define`单项式一般不用加括号，但是多项式就要加，但很多时候贪一时手快就写过去了，结果经常就要调一年才能调出来……
by info___tion @ 2019-07-20 14:41:17
me too
by zyywzw @ 2019-07-20 14:41:52
+1
by Aehnuwx @ 2019-07-20 14:44:12
%%% sto info___tion orz %%%
by sc84bbs @ 2019-07-20 14:45:52
## 写代码一分钟，找$bug$一辈子系列
by S_C_Yesterday @ 2019-07-20 14:46:16
一般
```cpp
#define ls(x) (x<<1)
#define rs(x) ((x<<1)|1)
```
by 7KByte @ 2019-07-20 14:54:07
define的式子外面加括号是编程的好习惯
by Alric @ 2019-07-20 15:04:58
搞笑@[S_C_Yesterday](/space/show?uid=106282)
by sel_fish @ 2019-07-26 18:55:20