Problem	september
User	VNHbest
Submission Time	2026-10-16 13:19:39
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

september.cpp: In function ‘int solve(int, int, std::vector<int>, std::vector<std::vector<int> >)’:
september.cpp:23:9: error: ‘class std::stack<int>’ has no member named ‘clear’
23 | stk.clear();
| ^~~~~