voidmain()
{intx=10,y=10;floatz=5.0;
fun(z);
fun(x,y);
fun();}
(12)以下程序的运行结果是【17】。
#include"iostream.h"
#include"math.h"
classcomplex{
private:
doublereal;
doubleimag;
public:
complex(doubler=0.0,doublei=0.0);
doubleabscomplex(){
doublet;
t=real*real+imag*imag;
returnt;}
};
complex:
:
complex(doubler,doublei)
{real=r;imag=i;}
voidmain()
{complexc1;complexc2(5.0);complexc3(5.0,5.0);
cout<<"absofcomplexc1="<cout<<"absofcomplexc2="<cout<<"absofcomplexc3="<三编程题
建立类box,box的构造函数传递立方体的长、宽、高,计算立方体的体积,并统计立方体的个数和总体积