#include <iostream>
#include <cstring>
using namespace std;
class Student
{
private:
    int age;
    char *name;
public:
    static int count;
    Student(int m,char *n);
    Student()
    {
        count++;
        age = 0;
        name = new char[strlen("NoName")+1];
        strcpy(name,"NoName");
    }
    ~Student()
    {
        count--;
        delete[] name;
    }
    void Print() const
    {
        cout << count << endl;
        cout << "Name=" << name <<" Age=" << age <<endl;
    }
};
int Student::count = 0;
Student::Student(int m,char *n)
{
    count++;
    age = m;
    name = new char[strlen(n) + 1];
    strcpy(name,n);
}
int main()
{
    cout << "count="<<Student::count<<endl;
    Student s1, *p = new Student(23,"ZhangHong");
    s1.Print();
    p->Print();
    delete p;
    s1.Print();
    Student Stu[4];
    cout <<"count="<<Student::count<< endl;
    return 0;
}