Eroare de compilare: user.cpp: In function ‘void Solve1()’: user.cpp:58:8: error: converting to ‘std::queue<std::pair<int, int> >’ from initializer list would use explicit constructor ‘std::queue<_Tp, _Sequence>::queue(_Sequence&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >]’ q2 = {}; ^