#include <iostream.h>class car{public:    car();    ~car();    void printdata();    void printweight();    void printtopspeed();private:    int *length;    int *width;    int *horsepower;};car::car(){ length=new int; width=new int; horsepower=new int; cout<<"define the length!\n:"; cin>>*this->length;  cout<<"define the width!\n:"; cin>>*this->width;  cout<<"define the horsepower!\n:"; cin>>*this->horsepower;}car::~car(){ delete length; delete width; delete horsepower;}void car::printdata(){ cout<<"\n\nThis is the data:\n"; cout<<"\nLength:"<<*this->length; cout<<"\nWidth:"<<*this->width; cout<<"\nHorse Power:"<<*this->horsepower; cout<<"\n";}void car::printweight(){ cout<<"Weight:"<<((*this->length)*(*this->width)*100);}void car::printtopspeed(){ if(*this->horsepower <= 200) {  cout<<"\nTop Speed:"<<((*this->horsepower)*1.2)<<"\n"; } if(*this->horsepower > 200) {  cout<<"\nTop Speed:"<<((*this->horsepower)*0.8)<<"\n"; }}class truck:public car{public:   truck();   ~truck();   void printoreload();private:   int *ore_load;};truck::truck(){ ore_load = new int; cout<<"Define the ore load!\n"; cin>>*this->ore_load;}truck::~truck(){ delete ore_load;}void truck::printoreload(){ cout<<"Ore load:"<<*this->ore_load<<"\n";}main(){ truck a_truck; a_truck.printdata(); a_truck.printweight(); a_truck.printtopspeed(); a_truck.printoreload();}