Problem	airplane2
User	Lewis
Submission Time	2026-02-27 17:56:40
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

airplane2.cpp: In function ‘int main()’:
airplane2.cpp:39:53: error: ‘struct std::_Rb_tree_iterator<std::pair<const long long int, long long int> >’ has no member named ‘second’
39 | long long maxc = *max_element(cf.begin(),cf.end()).second;
| ^~~~~~