Problem	arcwrecker2
User	carson
Submission Time	2026-01-21 21:41:56
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

arcwrecker2.cpp: In function ‘int main()’:
arcwrecker2.cpp:32:29: error: ‘std::unordered_map<long long int, std::vector<int> >::mapped_type’ {aka ‘class std::vector<int>’} has no member named ‘second’
32 | cnt += mp[pref].second.size();
| ^~~~~~