View Compilation Error

0_0_36448231_7768.cpp
0_0_36448231_7768.cpp(6) : error C2365: “div”: 重定义；以前的定义是“函数”
0_0_36448231_7768.cpp(32) : error C2665: “pow”: 6 个重载中没有一个可以转换所有参数类型
        VC2013\INCLUDE\math.h(1233): 可能是“long double pow(long double,int) throw()”
        VC2013\INCLUDE\math.h(1231): 或       “long double pow(long double,long double) throw()”
        VC2013\INCLUDE\math.h(1117): 或       “float pow(float,int) throw()”
        VC2013\INCLUDE\math.h(1115): 或       “float pow(float,float) throw()”
        VC2013\INCLUDE\math.h(1027): 或       “double pow(double,int) throw()”
        VC2013\INCLUDE\math.h(512): 或       “double pow(double,double)”
        尝试匹配参数列表“(overloaded-function, int)”时