Problem	addition
User	LOL7651
Submission Time	2024-02-16 14:59:00
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

cc1plus: error: ‘::main’ must return ‘int’
addition.cpp: In function ‘int main()’:
addition.cpp:9:5: error: ‘in’ was not declared in this scope; did you mean ‘int’?
9 | in >> a;
| ^~
| int