Problem	exam
User	Mirage
Submission Time	2023-01-04 15:45:29
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

exam.cpp: In function ‘int main()’:
exam.cpp:14:16: error: ‘b’ was not declared in this scope
14 | if (a>=0 && b<=9) {
| ^