Compile Error
foo.c: In function 'main':
foo.c:5:5: error: expected declaration or statement at end of input
5 | printf("hello, world\n");
| ^~~~~~
[Hydro](https://hydro.ac)提供评测服务
foo.c: In function 'main':
foo.c:5:5: error: expected declaration or statement at end of input
5 | printf("hello, world\n");
| ^~~~~~
[Hydro](https://hydro.ac)提供评测服务
