Problem	valves
User	chicken
Submission Time	2022-12-28 14:54:52
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

valves.cpp: In function ‘int main()’:
valves.cpp:29:25: error: ‘s’ was not declared in this scope
29 | ans = min(ans, *s.begin());
| ^