C++编程,球,圆柱四方形的面积和体积求.doc

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1、#include#includeusing namespace std;class personpublic:person(string namel,int numberl)name=namel;number=numberl;void print()cout名字:nameendl;cout编号:numberendl;protected:string name;int number;class Student:public personpublic:Student(string namel,int numberl,float scorel,string majorl):person(namel,

2、numberl)score=scorel;major=majorl;void print()person:print ();cout成绩:scoreendl;cout专业（班级）:majorendl;protected:float score;string major;class Teacher:public personpublic:Teacher(string namel,int numberl,string titlel,string deptl):person(namel,numberl)title=titlel;dept=deptl;void print()person:print(

3、);cout职称:titleendl;cout部门:deptendl;protected:string title;string dept;int main()Student stl(张三,111122,87,数学与计算机应用（本科（1）班级）);stl.print();Teacher tl(李四,11000001,副教授,数学系);tl.print();return 0;、/第五章19题/#includeclass Complexpublic: Complex()Complex(double r,double i)real=r;imag=i;friend Complex operator+

4、(Complex &co1,Complex &co2);void print();private:double real; double imag;Complex operator+(Complex &co1,Complex &co2)Complex temp;temp.real=co1.real+co2.real;temp.imag=co1.imag+co2.imag;return temp;void Complex:print()cout0) cout+;if(imag!=0) coutimagin;int main()Complex com1(2.5,37), total;Complex

5、 com2(4.2,6.5);total=com1+com2;total.print();return 0;、第五章20题/#includeusing namespace std;class Containerpublic:Container(double x)r=x;virtual void area()=0;virtual void perimeter()=0;protected:double r;class Shape:public Containerpublic:Shape(double x):Container(x)void area()cout这球的面积：4*3.14*r*rend

6、l;void perimeter()cout这球的体积：4/3*3.14*r*r*rendl;class Cylinder:public Containerpublic:Cylinder(double x,double h):Container(x)H=h;void area()cout这圆柱面积：2*3.14*r*r+2*3.14*r*Hendl; void perimeter()cout这圆柱体积：3.14*r*r*Hendl;protected:double H;class Cube:public Containerpublic:Cube(double x):Container(x)void area()cout这正方形面积：6*r*rendl; void perimeter()cout这正方形体积：r*r*rarea();ptr-perimeter();ptr=&ob2;ptr-area();ptr-perimeter();ptr=&ob3;ptr-area();ptr-perimeter();return 0;