给出下面程序输出结果。#include <iostream.h>class Base {private: int Y;public:Base(int y=0) {Y=y;cout<<"Base("<<y<<")＼n";}~Base() {cout<<"~Base()＼n";}void print() {cout <<Y<< "";} };class Derived:public Base{private: int Z;public:Derived (int y, int z):Base(y){ Z=z;cout<<"Derived("<<y<<","<<z<<")＼n"; }~Derived() {cout<<"～Derived()＼n";}void print() {Base::print(); cout<<Z<<endl; }};void main(){Derived d(10,20);d.print(); }_面向对象程序设计

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