Problem	addition
User	JoonLoong
Submission Time	2026-06-22 15:19:51
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

addition.cpp:2:7: error: expected nested-name-specifier before ‘nameplate’
2 | using nameplate std;
| ^~~~~~~~~
cc1plus: error: ‘::main’ must return ‘int’
addition.cpp: In function ‘int main()’:
addition.cpp:8:1: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
8 | cout << int a + b
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from addition.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
addition.cpp:3:13: error: expected primary-expression before ‘long’
3 | #define int long long
| ^~~~
addition.cpp:8:9: note: in expansion of macro ‘int’
8 | cout << int a + b
| ^~~