Problem	helloworld
User	lygrace
Submission Time	2026-06-22 15:25:55
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: 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";
| ^~~~
| 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
| ^~~~