//chip

#ifndef CHIP_H#define CHIP_H#include
     
      using namespace std;class chip{    public:        chip(int m,int n):m(m),n(n){}         void add(){        cout<< m <<"+"<
      
       <<"= "<
       
        <
       
      
     

//chipA.h #include"chip.h"class chipA:public chip{    public :        chipA(int m,int n):chip(m,n){}        void subtract()        {            cout<
     
      <<"-"<
      
       <<"= "<
       
        <
       
      
     

　　chipB.h

#include"chip.h"class chipB:public chip{    public:        chipB(int m,int n):chip(m,n){}         void multiply()       {        cout<
     
      <<"*"<
      
       <<"= "<
       
        <
       
      
     

chipC.h

#include"chip.h"class chipC:public chip{    public:        chipC(int m,int n):chip(m,n){}         void divide()       {           double a=m;           double b=n;        cout<
     
      <<"/"<
      
       <<"= "<< a/b<
      
     

main.cpp

#include 
     
      #include"chip.h"#include"chipA.h"#include"chipB.h"#include"chipC.h"using namespace std;int main(){    cout<<"enter two integers"<
      
       >m>>n;    chip init(m,n);     cout<<"the function of A"<
      
     

 

 

vehicle.h

#include
     
      #ifndef VEHICLE_H#define VEHICLE_Husing namespace std;class vehicle{    public:        vehicle(int w,int ms):weight(w),maxspeed(ms){                cout<<"constructing vehicle...."<
     

bicycle.h

#include"vehicle.h"#ifndef BICYCLE_H#define BICYCLE_Hclass bicycle:virtual public vehicle{    public:        bicycle(int w,int ms,int h):vehicle(weight,maxspeed),height(h){            cout<<"constructing bicycle..."<

motorcar.h

#include"vehicle.h"#ifndef MOTORCAR_H#define MOTORCAR_Hclass motorcar:virtual public vehicle{    public:        motorcar(int w,int ms,int sn):vehicle(weight,maxspeed),seatnum(sn){            cout<<"constructing motorcar..."<

motorcycle.h

 

#include 
     
      #include"vehicle.h"#include"bicycle.h"#include"motorcar.h"#ifndef MOTORCYCLE_H#define MOTORCYCLE_Hclass motorcycle:public bicycle,public motorcar{    public:        motorcycle(int w,int ms,int h ,int sn):vehicle(w,ms),bicycle(w,ms,h),motorcar(w,ms,sn){            cout<<"constructing motorcycle...."<
     

 

 

 

 

#include 
     
      #include"vehicle.h"#include"bicycle.h"#include"motorcar.h"#include"motorcycle.h" using namespace std;int main(){    motorcycle car(100,200,1.5,5);    car.run();    car.stop();    car.display();    return 0;}
     

 

 

Fraction.h

#ifndef FRACTION_H_INCLUDED#define FRACTION_H_INCLUDED#include
     
      using namespace std; class Fraction{    public:        Fraction(int t=0,int b=1):top(t),bottom(b){};        void output()        {            cout<
      
       <<"/"<
       
        <
       
      
     

iFraction.h

#ifndef IFRACTION_H_INCLUDED#define IFRACTION_H_INCLUDED#include"Fraction.h"class iFraction:public Fraction{    public:        iFraction(int t,int b):Fraction(t,b)        {            cout<<" consructing iFraction ....."<

Fraction.cpp

#include"Fraction.h"#include 
     
      using namespace std;Fraction Fraction::operator+(const Fraction &f1) const{    return Fraction(bottom*f1.bottom,top*f1.bottom+f1.top*bottom) ;}Fraction Fraction::operator-(const Fraction &f1) const{    return Fraction(bottom*f1.bottom,top*f1.bottom-f1.top*bottom) ;}    Fraction Fraction::operator*(const Fraction &f1) const{    return Fraction(bottom*f1.bottom,top*f1.top) ;}    Fraction Fraction::operator/(const Fraction &f1) const{    return Fraction(bottom*f1.top,top*f1.bottom) ;}void Fraction::compare (const Fraction &f1){    double x;    double y;    x=double(top) /double (bottom) ;    y=double (f1.top)/double (f1.bottom);    if(x>y)    cout<
      
       <<"/"<
       
        <<">"<
        
         <<"/"<
        
       
      
     

main

#include 
     
      #include"iFraction.h"#include"Fraction.h"using namespace std;int main(){            int t,y;    cin>>t>>y;    Fraction a;    Fraction b(3,4);    Fraction c(5);    Fraction d;    Fraction f1,f2,f3,f4;    cout<<"input a fraction named d ="<