vc++中小数除以或者乘以小数怎么做？ 例如.float y=3.45678; y=(y/100

Question

0.5)*100;
则y输出几。

Answer 1

float x,y,num1,num2;

cout<<"input number:"<<endl;
cin>>x;
cin>>y;
num1=x*y;
num2=x/y;
cout<<“积为：”<<num1<<endl;
cout<<"除为："<<num2<<endl;
return 0;