View Compilation Error

1019982_0_0_16120.cpp
1019982_0_0_16120.cpp(8) : error C2018: 未知字符“0xa1”
1019982_0_0_16120.cpp(8) : error C2018: 未知字符“0xc1”
1019982_0_0_16120.cpp(8) : error C2059: 语法错误 : “)”
1019982_0_0_16120.cpp(14) : 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