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View Compilation Error

0_0_19306835_30454.cpp
0_0_19306835_30454.cpp(29) : error C2872: “hash”: 不明确的符号
        可能是“0_0_19306835_30454.cpp(3) : bool hash[20][20]”
        或       “VC2013\INCLUDE\xstddef(324) : std::hash”
0_0_19306835_30454.cpp(69) : error C2872: “hash”: 不明确的符号
        可能是“0_0_19306835_30454.cpp(3) : bool hash[20][20]”
        或       “VC2013\INCLUDE\xstddef(324) : std::hash”
0_0_19306835_30454.cpp(80) : error C2872: “hash”: 不明确的符号
        可能是“0_0_19306835_30454.cpp(3) : bool hash[20][20]”
        或       “VC2013\INCLUDE\xstddef(324) : std::hash”


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