Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:23: error: could not convert ‘S.std::unordered_set<_Value, _Hash, _Pred, _Alloc>::find<long long int, std::hash<long long int>, std::equal_to<long long int>, std::allocator<long long int> >((*(const key_type*)(& val)))’ from ‘std::unordered_set<long long int>::iterator {aka std::__detail::_Node_iterator<long long int, true, false>}’ to ‘bool’ if(S.find(val)) cnt++; ^ user.cpp:23:25: error: ‘cnt’ was not declared in this scope if(S.find(val)) cnt++; ^ user.cpp:25:39: error: ‘cnt’ was not declared in this scope ofstream out("dtcsu.out"); out << cnt << "\n"; out.close(); ^