一道編程類筆試題

時間：2020-10-15 17:11:27 筆試題目我要投稿

一道編程類筆試題

#include <iostream>
using namespace std;

一道編程類筆試題

class A
{
protected:
int m_data;
public:
A(int data = 0){m_data = data;     }
int GetData(){return doGetData();}
virtual   int   doGetData(){ return m_data;}
};

class B:public   A
{
    protected:
int m_data;
public:
B(int data = 1){m_data = data;     }

int doGetData(){ return m_data;}
};

class C:public B
    {
    protected:
int m_data;
public:
C(int data = 2){m_data = data;     }
};

int main()
{
C c(10);

cout<<c.GetData()<<endl;
cout<<c.A::GetData()<<endl;
cout<<c.B::GetData()<<endl;
cout<<c.C::GetData()<<endl;
cout<<c.doGetData()<<endl;
cout<<c.A::doGetData()<<endl;
cout<<c.B::doGetData()<<endl;
cout<<c.C::doGetData()<<endl;

system("PAUSE");

return 0;
}

///////////////////////////////////////////////////////
運行的結果是
1
1
1
1
1
0
1
1

【一道編程類筆試題】相關文章：

華為2017筆試題08-16

360筆試題目10-20