Problem	helloworld
User	potassium
Submission Time	2026-09-10 15:24:24
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp:2:17: error: ‘as’ is not a namespace-name
2 | using namespace as std;
| ^~
helloworld.cpp:2:19: error: expected ‘;’ before ‘std’
2 | using namespace as std;
| ^~~~
| ;
helloworld.cpp:2:20: error: ‘std’ does not name a type
2 | using namespace as std;
| ^~~
helloworld.cpp:3:9: error: cannot declare ‘::main’ to be a global variable
3 | int main( {
| ^
helloworld.cpp:4:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
4 | cout << "Hello World";
| ^~~~
| 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:4:23: error: expected ‘}’ before ‘;’ token
4 | cout <<