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View Compilation Error

0_0_17146898_20308.cpp
0_0_17146898_20308.cpp(24) : error C2872: “hash”: 不明确的符号
        可能是“0_0_17146898_20308.cpp(17) : std::map<int,int,std::less<_Kty>,std::allocator<std::pair<const _Kty,_Ty>>> hash”
        with
        [
            _Kty=int
,            _Ty=int
        ]
        或       “VC2013\INCLUDE\xstddef(324) : std::hash”
0_0_17146898_20308.cpp(27) : error C2872: “hash”: 不明确的符号
        可能是“0_0_17146898_20308.cpp(17) : std::map<int,int,std::less<_Kty>,std::allocator<std::pair<const _Kty,_Ty>>> hash”
        with
        [
            _Kty=int
,            _Ty=int
        ]
        或       “VC2013\INCLUDE\xstddef(324) : std::hash”
0_0_17146898_20308.cpp(29) : error C2872: “hash”: 不明确的符号
        可能是“0_0_17146898_20308.cpp(17) : std::map<int,int,std::less<_Kty>,std::allocator<std::pair<const _Kty,_Ty>>> hash”
        with
        [
            _Kty=int
,            _Ty=int
        ]
        或       “VC2013\INCLUDE\xstddef(324) : std::hash”


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