Problem	lunchbox
User	Minjia
Submission Time	2026-06-22 00:01:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchbox.cpp: In function ‘int32_t main()’:
lunchbox.cpp:21:23: error: ‘j’ was not declared in this scope; did you mean ‘jn’?
21 | cout << schools - j;
| ^
| jn