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535620_0_0_17536.cpp
535620_0_0_17536.cpp(22) : error C2668: “log10” : 对重载函数的调用不明确
        VC\include\math.h(614): 可能是“long double log10(long double)”
        VC\include\math.h(566): 或       “float log10(float)”
        VC\include\math.h(194): 或       “double log10(double)”
        试图匹配参数列表“(long)”时
535620_0_0_17536.cpp(22) : error C2668: “log10” : 对重载函数的调用不明确
        VC\include\math.h(614): 可能是“long double log10(long double)”
        VC\include\math.h(566): 或       “float log10(float)”
        VC\include\math.h(194): 或       “double log10(double)”
        试图匹配参数列表“(long)”时
535620_0_0_17536.cpp(22) : fatal error C1903: 无法从以前的错误中恢复；正在停止编译