@[i_want_to_ak_ioi](/user/131610) 您快读写错了吧
by UltiMadow @ 2021-01-09 20:21:07
```cpp
while(ch>'9'||ch<'0'){
if(ch=='-'){
f=-1;
}
}
```
少了一个 `getchar` 吧
by UltiMadow @ 2021-01-09 20:22:01
@[UltiMadow](/user/65681) 抱歉，写的时候略有些没注意，谢谢您
by luo_shen @ 2021-01-09 20:24:34
昵称JC？
by Stinger @ 2021-01-09 20:52:12
迪哥闯世界头像好评
by Mecci_miaowu @ 2021-01-09 21:23:05