Problem	rollercoaster
User	yeezin
Submission Time	2025-06-20 15:23:15
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

rollercoaster.cpp: In function ‘int main()’:
rollercoaster.cpp:13:13: error: ‘a’ was not declared in this scope
13 | cout << a;
| ^