Problem	doll_noi
User	AndyChen
Submission Time	2026-08-28 14:03:54
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

doll_noi.cpp: In function ‘int main()’:
doll_noi.cpp:12:25: error: cannot convert ‘std::set<long long int>::reverse_iterator’ {aka ‘std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >’} to ‘long long int’ in initialization
12 | int where = a.rbegin(), first = a.begin();
| ~~~~~~~~^~
| |
| std::set<long long int>::reverse_iterator {aka std::reverse_iterator<std::_Rb_tree_const_iterator<long long int> >}
doll_noi.cpp:12:44: error: cannot convert ‘std::set<long long int>::iterator’ {aka ‘std::_Rb_tree_const_iterator<long long int>’} to ‘long long int’ in initialization
12 | int where = a.rbegin(), first = a.begin();
| ~~~~~~~^~
| |
| std::set<long long int>::