Problem	ny_mathexam
User	Usu
Submission Time	2026-02-04 17:44:41
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ny_mathexam.cpp: In function ‘int main()’:
ny_mathexam.cpp:5:9: error: ‘a’ was not declared in this scope
5 | cin >> a;
| ^