foo.c:1:19: warning: extra tokens at end of #include directive
    1 | #include <stdio.h>void input(int a[10])
      |                   ^~~~
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x24): undefined reference to `main'
collect2: error: ld returned 1 exit status

[Hydro](https://hydro.ac)提供评测服务