Problem	tourist_noi
User	TienKai
Submission Time	2025-03-11 21:59:05
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

tourist_noi.cpp: In function ‘int main()’:
tourist_noi.cpp:9:10: error: ‘a’ was not declared in this scope
9 | cin >> a;
| ^