Problem	helloworld
User	LeVietQuang
Submission Time	2026-02-04 21:17:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp:2:1: error: ‘Using’ does not name a type
2 | Using 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"
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from helloworld.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~