Problem	zanesgift
User	YH
Submission Time	2025-02-09 20:22:14
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

zanesgift.cpp: In function ‘int main()’:
zanesgift.cpp:53:13: error: ‘upper_bound’ was not declared in this scope
53 | auto it = upper_bound(starting_possible.begin(), starting_possible.end(), curr_idx);
| ^~~~~~~~~~~