#include <iostream>
using namespace std;
class Adder
{
private:int num;
public:Adder(int n=0);//有参构造函数，其中参数默认值为0Adder(const Adder &adder);//拷贝构造函数~Adder();//析构函数void  setNum(int n);//公有函数，用于设置数值域int getNum() const;//公有函数，用于返回数值域Adder operator+(Adder &a);//重载+运算符Adder& operator++(void);//前置++运算符重载const Adder operator++(int);//后置++运算符重载void show() const;//显示
};
Adder::Adder(int n)//有参构造函数的实现
{num=n;cout<<"Adder Constructor run"<<endl;
}
Adder::Adder(const Adder &adder)//拷贝构造函数的实现
{num = adder.num;cout<<"Adder CopyConstructor run"<<endl;
}
Adder::~Adder()//析构函数的实现
{cout<<"Adder Destructor run"<<endl;
}
void Adder::setNum(int n)
{num=n;
}
int Adder::getNum()const
{return num;
}
Adder Adder::operator+(Adder &a)//重载+运算符
{this->num = this->num + a.num;return (Adder(getNum()));
}
Adder& Adder::operator++(void)//前置重载++运算符
{num++;return *this;
}
const Adder Adder::operator++(int)//后置重载++运算符
{Adder ad=*this;++(*this);return ad;
}
void Adder::show()const
{cout<<"Adder("<<num<<")"<<endl;
}
//主函数
int main(void){int x;Adder a1,a2(a1);cin>>x;(a1++).show();a1.show();a2.setNum(x);(++a2).show();a2.show();(a1+a2).show();return 0;
}