.

class A {int *a; public:

A(int x=0):a(new int(x)){} ~A() {delete a;}

int getA() {return *a;} void setA(int x) {*a=x;} };

void main() {A x1,x2(3); A *p=&x2;

(*p).setA(x2.getA()+5); x1.setA(10+x1.getA());

cout<

108;

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ÒªÇ󣺣¨1)ʵÏÖÕâ¸öÀࣻ£¨2£©¶¨Ò岢ʵÏÖÒ»¸öС³µÀàcar£¬ÊÇËüµÄ¹«ÓÐÅÉÉúÀ࣬С³µ±¾ÉíµÄ˽ÓÐ ÊôÐÔÓÐÔØÈËÊý£¬Ð¡³µµÄº¯ÊýÓÐinit(ÉèÖóµÂÖÊý£¬ÖØÁ¿ºÍÔØÈËÊý£©£¬getpassenger(»ñÈ¡ÔØÈËÊý )£¬print£¨´òÓ¡³µÂÖÊý£¬ÖØÁ¿ºÍÔØÈËÊý£©¡£ class vehicle {protected:

int wheels;//³µÂÖÊý float weight;//ÖØÁ¿ public:

void init(int wheels,float weight); int get_wheels(); float get_weight(); void print(); };

void vehicle::init(int wheels,float weight) {this->wheels=wheels; this->weight=weight; cout<

int vehicle::get_wheels() {return wheels; }

float vehicle::get_weight() {return weight;}

void vehicle::print()

{cout<<\³µÂÖÊý£º\ÖØÁ¿£º\

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