Problem	exam
User	Usu
Submission Time	2025-06-18 21:17:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

exam.cpp:2:7: error: expected nested-name-specifier before ‘namesapce’
2 | using namesapce std;
| ^~~~~~~~~
exam.cpp: In function ‘int main()’:
exam.cpp:7:3: 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:12:3: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
12 | cin >> a;
| ^~~
| 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:14:3: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
14