Problem	lunchbox
User	chickennn
Submission Time	2026-04-18 22:30:52
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchbox.cpp: In function ‘int main()’:
lunchbox.cpp:13:11: error: ‘o’ was not declared in this scope
13 | cout << o;
| ^