是不是读到\r了
by _Karasu_ @ 2022-11-12 14:10:50
```
ch=getchar();
while(ch!='0'&&ch!='1') ch=getchar();
```
加了个判断语句就好了。
by _Karasu_ @ 2022-11-12 14:12:11
@[zzczzczzc](/user/720078)
by _Karasu_ @ 2022-11-12 14:12:39
@[_Karasu_](/user/123451)
感谢神犇！！！！！！
by zzczzczzc @ 2022-11-13 13:40:17