Problem	ny_mathexam
User	JAVIER
Submission Time	2024-11-05 21:21:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ny_mathexam.cpp: In function ‘int main()’:
ny_mathexam.cpp:3:2: error: ‘cin’ was not declared in this scope
3 | cin>>r;
| ^~~
ny_mathexam.cpp:4:7: error: ‘pow’ was not declared in this scope
4 | x=80*pow(r,2);
| ^~~
ny_mathexam.cpp:5:2: error: ‘cout’ was not declared in this scope
5 | cout<<x;
| ^~~~