Problem	exam
User	Yash34
Submission Time	2023-04-08 09:43:35
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 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";
| ^~~~
| std::cout
In file included 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 not declared in this scope; did you mean ‘std::cout’?
12 | cout << a*b;
| ^~~~
| std::cout
In file included from e