Problem	lunchbox
User	YII1719
Submission Time	2023-11-09 10:35:00
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchbox.cpp: In function ‘int32_t main()’:
lunchbox.cpp:9:23: error: ‘sum’ was not declared in this scope
9 | for(int k=0; k<=m && sum <= N; k++){
| ^~~