mine.cpp: In function `void bkt()': mine.cpp:36: no matching function for call to `std::queue<lee, std::deque<lee, std::allocator<lee> > >::push(std::pair<int, int>)' /usr/include/c++/3.2.2/bits/stl_queue.h:116: candidates are: void std::queue<_Tp, _Sequence>::push(_Sequence::value_type&) [with _Tp = lee, _Sequence = std::deque<lee, std::allocator<lee> >] mine.cpp: In function `int main()': mine.cpp:61: no matching function for call to `std::queue<lee, std::deque<lee, std::allocator<lee> > >::push(std::pair<int, int>)' /usr/include/c++/3.2.2/bits/stl_queue.h:116: candidates are: void std::queue<_Tp, _Sequence>::push(_Sequence::value_type&) [with _Tp = lee, _Sequence = std::deque<lee, std::allocator<lee> >]