有以下程序: include using namespace std; class Complex{public: Complex(double 有以下程序: #include ＜iostream＞ using namespace std; class Complex { public: Complex(double r=0,double i=0):re(r),im(i){ double zeal() const {return re;} double imag() const {return im;} Complex operator+(Complex c) const { return Complex(re+c.re,im+c.im);} private: double re,im; }; int main() Complex a=Complex(1,1)+Complex(5); cout＜＜a.real()＜＜'+'＜＜a.imag()＜＜'i'＜＜end 1; return 0; }程序执行后的输出结果是______。A．6+6iB．6+1iC．1+6iD．1+1i
有以下程序: include using namespace std; class Complex{public: Complex(double
有以下程序: #include ＜iostream＞ using namespace std; class Complex { public: Complex(double r=0,double i=0):re(r),im(i){ double zeal() const {return re;} double imag() const {return im;} Complex operator+(Complex c) const { return Complex(re+c.re,im+c.im);} private: double re,im; }; int main() Complex a=Complex(1,1)+Complex(5); cout＜＜a.real()＜＜'+'＜＜a.imag()＜＜'i'＜＜end 1; return 0; }程序执行后的输出结果是______。
A．6+6i
B．6+1i
C．1+6i
D．1+1i
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有以下程序include using namespace std;class Complex{public: Complex(double r=O, 有以下程序 #include＜iostream＞ using namespace std； class Complex { public： Complex(double r=O,double i＝0)：re(r),im(i){} double real() const {return re；} double imag()const {return im；} Complex operator ＋(Complex C) const {return Complex (re＋c.re,im＋c.im)；} private： double re,im； }； int main() { Complex a=Complex(1，1)＋Complex (5)； cout＜＜a．real()＜＜'＋'＜＜a.imag()＜＜'i'＜＜endl； retum 0； } 程序执行后的输出结果是A．6＋6iB．6＋1iC．1＋6iD．1＋1i
有以下程序include using namespacestd;class Complex{public:Complex (doubler=0, d 有以下程序 #include ＜iostream＞ using namespace std; class Complex { public: Complex (double r=0, double i =0 :re(r) ,im (i) {} double real() const {return re;} double imag() const { return im;} Complex operator + (Complex c} const {return Complex(re+c.re, im+c.im);} privane: double re,im; }; int main { Complex a =Complex (1,1)+Complex(5); cout＜＜a.real()＜＜'+'＜＜a.imag() ＜＜ 'i' ＜＜endl return 0; } 程序执行后的输出结果是A．6+6iB．6+1iC．1+6iD．1+1i
有以下程序include using namespace std;class Complex{public:Complex(double r=0,d 有以下程序#include ＜iostream＞using namespace std;class Complex{public: Complex(double r=0,double i=0):re(r),im(i){ double real() const {return re;} double imag() const { return im; } Complex operator+(Complex c) const {return Complex(re+c.re,im+c.im);}private: double re,im;};int main(){ Complex a =Complex(1,1)+ Complex(5); cout＜＜a.real()＜＜'+'＜＜a.imag()＜＜'i'＜＜end1; retura 0;}A．6+6iB．6+1iC．1+6iD．1+1i
有以下程序,输出结果()。includeusing namespace std;class Complex{public:Complex(d 有以下程序，输出结果( )。 #include＜iostream＞ using namespace std; class Complex { public: Complex(double r=0,double i=0):re(r),im(i){} double real()const{return re;} double imagoconst{return im;} Complex operator+(Complex C) const {return Complex(re+c.re,im+c.im);} private: double re,im; }; int main() { Complex a=Complex(1,1)+Complex(5); cout＜＜a.real()＜＜'+'＜＜a.imag()＜＜'i'＜＜end1; return 0; }A．6+iB．2i+5C．6+1iD．1i+5
有以下程序； #includeiostream usingnamespacestd； classComplex { public： Complex(doubler=0，doublei=O)：re(r)，im(i){} doublereal（）const{returnre；} doubleimag（）const{returnim；} Complexoperator＋(Complexc)const {returnComplex(re＋C．re，im＋C．im)；} private： doublere，im； }； intmain（） { Complexa=Complex(1，1)＋Complex(5)； couta．real（）＋a．imag（）iendl； return0； } 程序执行后的输出结果是（ ）。A.6＋6iB.6＋1iC.1＋6iD.1＋1i
有以下程序:includeincludeusing namespace std; class point{private:double 有以下程序： #include＜iostream＞ #include＜math＞ using namespace std； class point { private： double x； double y； public： point(double a,double B) { x=a； y=b； } friend double distance (point a,point B) ；A．1B．5C．4D．6
有下列程序:includeusing namespace std;class Complex{double re,im;public:Complex 有下列程序： #include＜iostream＞ using namespace std; class Complex { double re,im; public: Complex(double r,double i):re(r),im(i){} double real()const{retum re;} double image()const{return im;} Complex operator+=(Complex A) { rA．(1,-2)B．(2,3)C．(3,5)D．(3,1)
有以下程序:includeusing namespace std;class Complex{public:Complex(dOuble r=0,d 有以下程序： #include＜iostream＞ using namespace std； class Complex { public： Complex(dOuble r=0，dOuble i=0)：re(r)，im(i){} doublereal()const{return re；} doubleimag()const{return im；} Complex operator+(Complex c)const {return ComplexA．6+6iB．6+1iC．1+6iD．1+1i
阅读下列说明和C++代码，填写程序中的空（1）～（6），将解答写入答题纸的对应栏内。【说明】以下C++代码实现一个简单绘图工具，绘制不同形状以及不同颜色的图形。部分类及其关系如图6－1所示。【C++代码】#include?#include?using?namespace?std;class?DrawCircle?{??????//绘制圆形，抽象类? ? ? public: （1）；//定义参数为?int?radius,?int?x,?inty? ?virtual～DrawCircle()?{?}};class?RedCircle：public?DrawCircle?{????//绘制红色圆形? ? ? ? public: void?drawCircle(intradius,?int?x,?int?y)?{cout??drawCircle?=?drawCircle;? }? ?virtual～shape()?{?}? public:? ?virtual?void?draw()?=?0;};class?Circle：public?Shape?{????//圆形? ? private:? ? ?int?x,y,radius;? ? public:? Circle(int?x,inty,int?radius,DrawCircle?*drawCircle)? （3）? {? this->x?=?x;? ?this->y?=?y;? ? this->radius?=?radius; }? ? ? public:? void?draw(){? drawCircle?-> （4）; }};int?main(){Shape?*redCirclenew?Circle(100,100,10,????（5）????);//绘制红色圆形? Shape?*greenCircle＝new?Circle(100,100,10, （6）??);//绘制绿色圆形redCircle >draw();? ?greenCircle?->draw();? ?return?0;}