Problem exam
User BlueSpace
Submission Time 2024-04-20 09:21:04
Score 0
Max Time N/A
Max Memory N/A

Compile Error

exam.cpp: In function ‘int main()’:
exam.cpp:5:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
5 | cin >> x;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from exam.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
exam.cpp:7:9: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
7 | cout << "Hello World" << "\n";
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from exam.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
exam.cpp:12:9: error: ‘cout’ was