Problem	ny_mathexam
User	Elwinthenerd
Submission Time	2024-11-12 15:58:59
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ny_mathexam.cpp: In function ‘int main()’:
ny_mathexam.cpp:6:13: error: ‘r’ was not declared in this scope
6 | cout << 80*r*r;
| ^