Problem	helloworld
User	Angie
Submission Time	2025-06-20 12:29:20
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

helloworld.cpp: In function ‘int main()’:
helloworld.cpp:3:5: error: ‘cin’ was not declared in this scope
3 | cin >> a;
| ^~~
helloworld.cpp:4:2: error: ‘cout’ was not declared in this scope
4 | cout << "Hello World" << a;
| ^~~~