大一第二学期第5周【程序阅读（1）】

#include <iostream>
using namespace std;
class base
{
private:
    int m;
public:
    base() {};
    base(int m){this->m=m;}
    int get(){return m;}
    void set(int m){this->m=m;}
};//base_end

int main()
{
    base *ptr;
    ptr=new base[2];
    ptr->set(30);
    ptr=ptr+1;
    ptr->set(50);
    base a[2]= {1,9};
    cout<<a[0].get()<<","<<a[1].get()<<endl;
    cout<<ptr->get()<<",";
    ptr=ptr-1;
    cout<<ptr->get()<<endl;
    delete[] ptr;
    return 0;
}