Problem	helloworld
User	ZhangChi
Submission Time	2026-11-02 09:49:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp:5:11: error: ‘long long int main()’ should have been declared inside ‘::’
5 | int::main()
| ^
cc1plus: error: ‘::main’ must return ‘int’