Problem	lunchbox
User	Ap3xthird515
Submission Time	2026-02-16 20:54:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchbox.cpp: In function ‘int main()’:
lunchbox.cpp:13:7: error: ‘K’ was not declared in this scope
13 | sort(K.begin(), K.end());
| ^