Problem	lunchbox
User	baongoctr
Submission Time	2023-02-06 10:34:46
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchbox.cpp: In function ‘int main()’:
lunchbox.cpp:21:6: error: ‘ln’ was not declared in this scope; did you mean ‘lb’?
21 | if(ln<=n)
| ^~
| lb