Problem	ballmachine
User	JJJwong
Submission Time	2026-08-12 13:47:43
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ballmachine.cpp: In function ‘std::vector<int> find_structure(int)’:
ballmachine.cpp:46:22: error: ‘N’ was not declared in this scope
46 | std::vector<int> R(N-1, N-1);
| ^