View Compilation Error

0_0_9992149_32277.cpp
0_0_9992149_32277.cpp(12) : error C2039: “clear” : 不是“std::priority_queue<_Ty,_Container,_Pr>”的成员
        with
        [
            _Ty=int,
            _Container=std::vector<int>,
            _Pr=std::greater<int>
        ]