Problem	helloworld
User	YH
Submission Time	2024-02-01 18:42:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp:2:14: error: expected ‘{’ before ‘;’ token
2 | namespace std;
| ^
helloworld.cpp: In function ‘int main()’:
helloworld.cpp:5:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
5 | cout << "Hello World" << endl;
| ^~~~
| std::cout
In file included from helloworld.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~
helloworld.cpp:5:27: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
5 | cout << "Hello World" << endl;
| ^~~~
| std::endl
In file included from /usr/include/c++/9/iostream:39,
from helloworld.cpp:1:
/usr/include/c++/9/ostream:599:5: note: ‘std::endl’ declared here
599 | endl(basic_ostream<