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0_0_24829555_13405.cpp
0_0_24829555_13405.cpp(35) : error C2668: “abs”: 对重载函数的调用不明确
        VC2013\INCLUDE\math.h(1145): 可能是“long double abs(long double) throw()”
        VC2013\INCLUDE\math.h(1029): 或       “float abs(float) throw()”
        VC2013\INCLUDE\math.h(1025): 或       “double abs(double) throw()”
        VC2013\INCLUDE\math.h(470): 或       “int abs(int)”
        尝试匹配参数列表“(__int64)”时
0_0_24829555_13405.cpp(44) : error C2143: 语法错误 : 缺少“)”(在“:”的前面)
0_0_24829555_13405.cpp(44) : error C2668: “abs”: 对重载函数的调用不明确
        VC2013\INCLUDE\math.h(1145): 可能是“long double abs(long double) throw()”
        VC2013\INCLUDE\math.h(1029): 或       “float abs(float) throw()”
        VC2013\INCLUDE\math.h(1025): 或       “double abs(double) throw()”
        VC2013\INCLUDE\math.h(470): 或       “int abs(int)”
        尝试匹配参数列表“(__int64)”时
0_0_24829555_13405.cpp(44) : error C2143: 语法错误 : 缺少“)”(在“;”的前面)