View Compilation Error

0_0_33726072_19465.cpp
0_0_33726072_19465.cpp(41) : error C2228: “.clear”的左边必须有类/结构/联合
        类型是“std::map<int,int,std::less<_Kty>,std::allocator<std::pair<const _Kty,_Ty>>> [320]”
        with
        [
            _Kty=int
,            _Ty=int
        ]