Problem	lunchbox
User	Bryan
Submission Time	2023-04-07 16:12:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lunchbox.cpp: In function ‘int main()’:
lunchbox.cpp:30:21: error: ‘accumulate’ was not declared in this scope
30 | d = (long long) accumulate(lbxn.begin(), lbxn.end(), 0LL);
| ^~~~~~~~~~