cout<<fixed<<setprecision(2)<<a1/a2 改成 cout<<fixed<<setprecision(2)<<a1*1.0/a2试试
by lao_wang @ 2023-08-21 10:04:45
@[lao_wang](/user/701408)
我把
```cpp
(ans3.compare("?")==0)
```
改成
```cpp
(s3[0]=='?')
```
改完之后就过了，不知道为什么会这样诶
by HSTYYH @ 2023-09-13 13:42:00
@[HSTYYH](/user/717713) 6
by lao_wang @ 2023-09-13 14:19:03