C++之覆盖

#pragma once
#include<iostream>

using std::cout;
using std::endl;


class CParent
{
public:
	int a = 1;
	int b = 2;
	static int c;
	void show()
	{
		cout << "我是父类的show函数" << endl;
		cout << "a:" << a << "   b:" << b << "   c:" << c << endl;
	}
};


class CSon : public CParent
{
public:
	int a = 4;
	void show()
	{
		cout << "我是子类的show函数" << endl;
		cout << "a:" << a << "   b:" << b << "   c:" << c << endl;
	}
};

#include"CParent.h"

int CParent::c = 3;

int main()
{
	CParent p;
	p.show();
	p.c++;

	CSon s;
	s.show();
	s.CParent::show();
	s.CParent::a++;
	s.CParent::show();

	return 0;
}