@[Qimu47](/user/406075)
```c
puts("Crossing the line");
```
改为
```c
cout<<"Crossing the line"<<endl;
```
AC了
by _Hu_Tao @ 2022-08-20 11:27:15
@[Qimu47](/user/406075) 原因在于换行
by _Hu_Tao @ 2022-08-20 11:27:38
@[Qimu47](/user/406075) 求关注QAQ
by _Hu_Tao @ 2022-08-20 11:27:51
```cpp
puts()
```
不是自动换行吗？
by Jackson_Miller @ 2022-08-20 11:43:51
@[Qszd2022](/user/750558)
by Jackson_Miller @ 2022-08-20 11:45:15
@[yqg0924](/user/754673) 关了同步流后最好不要用 cout 以外的东西输出。
by _cyle_King @ 2022-08-20 11:48:03
@[_cyle_King](/user/582035) 谢谢dalao指点
by Jackson_Miller @ 2022-08-20 11:49:17