1)#include < iostream > 2)# include < math.h > 3)using namespace std; 4)double max(double x,doubley); 5)void main() 6){ 7)double a,b,c; 8)cout << " input two numbers: "; 9)cin>>a>>b; 10)c=max(a,b); 11)cout<< " the squart of max imum="<< sqrt(c); 12)} 13)double max(doublex,doubley) 14){ 15)if(x>y) 16)returnx; 17)else 18)returny; 19)}若执行第9行时,输入89后按回车,则程序第11行输出:()
A. the squart of max imum=sqrt
B. the squart of max imum=3.08221
C. the squart of max imum=3
D. the squart of max imum=9.0