Problem	conversations_easy
User	Henries
Submission Time	2024-11-11 17:22:38
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

conversations_easy.cpp: In function ‘int main()’:
conversations_easy.cpp:23:12: error: no match for ‘operator--’ (operand type is ‘std::unordered_set<long long int>::iterator’ {aka ‘std::__detail::_Node_iterator<long long int, true, false>’})
23 | s.erase(--s.end());
| ^~~~~~~~~
conversations_easy.cpp:27:15: error: no match for ‘operator--’ (operand type is ‘std::unordered_set<long long int>::iterator’ {aka ‘std::__detail::_Node_iterator<long long int, true, false>’})
27 | cout << *(--s.end()) << '\n';
| ^~~~~~~~~