Problem	addition
User	kangzhe
Submission Time	2023-09-20 01:26:33
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 >> b;
| ^~~
| 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:5:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
5 | cout << 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
| ^~~~