Eroare de compilare: user.cpp: In function ‘void findH(POINT2D, long long int&)’: user.cpp:39:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < H[get_key(p)].size(); ++i) ^ user.cpp:40:88: error: invalid initialization of non-const reference of type ‘POINT2D& {aka std::pair<long long int, long long int>&}’ from an rvalue of type ‘std::pair<long long int, long long int>’ if (compare(p, make_pair(H[get_key(p)][i].first.first, H[get_key(p)][i].first.second))) ^ user.cpp:32:6: error: in passing argument 2 of ‘bool compare(POINT2D&, POINT2D&)’ bool compare(POINT2D &p1, POINT2D &p2) ^