Problem	addition
User	yihai
Submission Time	2026-01-21 16:09:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

addition.cpp:3:8: error: cannot declare ‘::main’ to be a global variable
3 | signed main{
| ^~~~
addition.cpp:4:8: error: ‘a’ was not declared in this scope
4 | cin>> a >>b;
| ^
addition.cpp:4:13: error: ‘b’ was not declared in this scope
4 | cin>> a >>b;
| ^
addition.cpp:4:14: error: expected ‘}’ before ‘;’ token
4 | cin>> a >>b;
| ^
addition.cpp:3:12: note: to match this ‘{’
3 | signed main{
| ^
addition.cpp:5:2: error: ‘cout’ does not name a type
5 | cout<< a+b;
| ^~~~
addition.cpp:6:1: error: expected declaration before ‘}’ token
6 | }
| ^