Problem	helloworld
User	meowmeow
Submission Time	2023-06-01 16:50:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp:2:8: error: expected nested-name-specifier before ‘mainspace’
2 | using mainspace std;
| ^~~~~~~~~
helloworld.cpp: In function ‘int main()’:
helloworld.cpp:7:1: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
7 | 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:7:26: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
7 | 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 |