44)有以下程序
floatf1(floatn)
{returnn*n;}
floatf2(floatn)
{return2*n;}
main()
{float(*p1)(float),(*p2)(float),(*t)(float),y1,y2;
p1=f1;p2=f2;
y1=p2(p1(2.0));
t=p1;p1=p2;p2=t;
y2=p2(p1(2.0));
printf("%3.0f,%3.0f\n",y1,y2);
}
程序运行后的输出结果是
(A)8,16
(B)8,8
(C)16,16
(D)4,8