c語言：編寫程序可計算如下分段函數

#include<fstream.h>

#define?pi=3.1415926

int?main()

{

float?x,y;

cin>>x;

if(x>0)

{

y=(pow(x,0.5)+exp(x))/(5*x+5);

}

else

{

y=(2/3.0+sin(60*pi/180.0))*fabs(x);

}

cout<<"y="<<y<<endl;

return?0;

}

具體的妳再調試下