Problem	helloworld
User	JordanGwee
Submission Time	2026-04-10 16:10:05
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp: In function ‘int main()’:
helloworld.cpp:2:2: error: ‘cout’ was not declared in this scope
2 | cout << "Hello world";
| ^~~~