C语言程序设计,计算下列分段函数.

int main(){
\x09double x=0,y=0;
\x09printf("x=");
\x09scanf("%lf",&x);
\x09printf("y=");
\x09scanf("%lf",&y);
\x09if(x>=0&&y>0)
\x09\x09printf("x=%f,y=%f,f(x)=%f",x,y,(2*x*x+3*x+1/(x+y)));
\x09else if(x>=0&&y