Problem	addition
User	Hytoh
Submission Time	2023-07-05 08:01:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

addition.cpp: In function ‘int main()’:
addition.cpp:4:2: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
4 | cin >> a;
| ^~~
| std::cin
In file included from addition.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
addition.cpp:6:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
6 | cout << a + b << endl;
| ^~~~
| std::cout
In file included 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:6:19: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
6 | cout << a + b << endl;
| ^~~~
| std::en