Problem	boxes4
User	JoshJuice
Submission Time	2025-05-07 15:39:04
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

boxes4.cpp: In function ‘int main()’:
boxes4.cpp:6:18: error: ‘a’ was not declared in this scope
6 | if(is_sorted(a.begin(), a.end())) cout << "YES";
| ^