Problem	addition
User	kiwiapricot
Submission Time	2024-04-06 14:55:06
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

addition.cpp:3:17: error: expected identifier before ‘;’ token
3 | using namespace ;
| ^
addition.cpp: In function ‘int main()’:
addition.cpp:6:2: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
6 | cin >> a;
| ^~~
| std::cin
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:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
addition.cpp:9:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
9 | cout << sum ;
| ^~~~
| 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; /// Lin