伙计们，能帮我看看这个编译后的工资为什么不匹配吗？😭（双肩挑类）

Question

#include
#include
using namespace std;

//Person类的定义
class Person
{
public:
Person(string num,string n,string s)
{
number=num;
name=n;
sex=s;
salary=0;
}
protected:
string number;
string name;
string sex;
double salary;
};

/********* Begin *********/
//教师Teacher类的定义
class Teacher:virtual public Person
{
public:
Teacher(string num,string n,string s,int h,string t):
Person(num,n,s)
{
title=t;
teaching_hours=h;
salary=0;
}
void pay();

protected:
int teaching_hours;
string title;
double salary;

};

void Teacher::pay()
{
    if(title=="助教")
    {
        salary=3500+20*teaching_hours;
    }
    else if(title=="讲师")
    {
        salary=4500+30*teaching_hours;
    }
    else if(title=="副教授")
    {
        salary=5500+40*teaching_hours;
    }
    else 
    {
        salary=6500+50*teaching_hours;
    }
}

//职员Staff类的定义
class Staff:virtual public Person
{
public:
Staff(string num,string n,string s,int h,string t,string p):
Person(num,n,s)
{
position=p;
salary=0;
}
void pay();

protected:
string position;
double salary;

};
void Staff::pay()
{
if(position=="副科级")
{
salary+=500;
}
else if(position=="科级")
{
salary+=1000;
}
else if(position=="副处级")
{
salary+=1500;
}
else
{
salary+=2000;
}
}
//双肩挑Staff_Teacher类的定义
class Staff_Teacher:public Teacher,public Staff
{
public:
Staff_Teacher(string num,string n,string s,int h,string t,string p):
Person(num,n,s),Teacher(num,n,s,h,t),Staff(num,n,s,h,t,p)
{

}
void pay();
void show()
{
    cout<<"工号:"<<number<<endl;
    cout<<"姓名:"<<name<<endl;
    cout<<"性别:"<<sex<<endl;
    cout<<"职称:"<<title<<endl;
    cout<<"职位:"<<position<<endl;
    cout<<"工资:"<<sum<<endl;
}
protected:
double sum;
double salary;

};
void Staff_Teacher::pay()
{
Staff::pay();
if(title=="助教")
{
sum=salary+3500+20teaching_hours;
}
else if(title=="讲师")
{
sum=salary+4500+30teaching_hours;
}
else if(title=="副教授")
{
sum=salary+5500+40teaching_hours;
}
else
{
sum=salary+6500+50teaching_hours;
}
}
/********* End*********/

Answer 1

有两处错误：
第一处：Staff_Teacher的show函数中，没有调用pay()函数
第二处：因为Staff_Teacher继承了多个类，所以在pay计算的时候，不知道实际使用的是哪一个类的salary，需要通过作用域控制。
如下图所示：

完整代码：

#include <iostream>
#include <string>
using namespace std;

//Person类的定义
class Person
{
public:
    Person(string num,string n,string s)
    {
        number=num;
        name=n;
        sex=s;
        salary=0;
    }
protected:
    string number;
    string name;
    string sex;
    double salary;
};

/********* Begin *********/
//教师Teacher类的定义
class Teacher:virtual public Person
{
public:
    Teacher(string num,string n,string s,int h,string t):
      Person(num,n,s)
      {
          title=t;
          teaching_hours=h;
          salary=0;
      }
      void pay();

protected:
    int teaching_hours;
    string title;
    double salary;
};

void Teacher::pay()
{
    if(title=="助教")
    {
        salary=3500+20*teaching_hours;
    }
    else if(title=="讲师")
    {
        salary=4500+30*teaching_hours;
    }
    else if(title=="副教授")
    {
        salary=5500+40*teaching_hours;
    }
    else 
    {
        salary=6500+50*teaching_hours;
    }
}
//职员Staff类的定义
class Staff: virtual public Person
{
public:
    Staff(string num,string n,string s,int h,string t,string p):
      Person(num,n,s)
      {
          position=p;
          salary=0;
      }
      void pay();

protected:
    string position;
    double salary;
};
void Staff::pay()
{
    if(position=="副科级")
    {
        salary+=500;
    }
    else if(position=="科级")
    {
        salary+=1000;
    }
    else if(position=="副处级")
    {
        salary+=1500;
    }
    else
    {
        salary+=2000;
    }
}
//双肩挑Staff_Teacher类的定义
class Staff_Teacher:public Teacher,public Staff
{
public:
    Staff_Teacher(string num,string n,string s,int h,string t,string p):
      Person(num,n,s),Teacher(num,n,s,h,t),Staff(num,n,s,h,t,p)
      {

      }
      void pay();
      void show()
      {
          pay();  //修改1，添加pay计算
          cout<<"工号:"<<number<<endl;
          cout<<"姓名:"<<name<<endl;
          cout<<"性别:"<<sex<<endl;
          cout<<"职称:"<<title<<endl;
          cout<<"职位:"<<position<<endl;
          cout<<"工资:"<<sum<<endl;
      }
protected:
    double sum;
    double salary;
};
void Staff_Teacher::pay()
{
    Staff::pay();
    if(title=="助教")
    {
        sum=Staff::salary+3500+20*teaching_hours;
    }
    else if(title=="讲师")
    {
        sum=Staff::salary+4500+30*teaching_hours;
    }
    else if(title=="副教授")
    {
        sum=Staff::salary+5500+40*teaching_hours;
    }
    else
    {
        sum=Staff::salary+6500+50*teaching_hours;
    }
}

int main()
{
    int h;
    string num,n,s,t,p;
    cout << "请输入课时数："<<endl;
    cin >>h;
    cout << "请输入工号、姓名、性别、职称、职位：";
    cin >> num >> n>>s>>t>>p;

    Staff_Teacher st1(num,n,s,h,t,p);
    st1.show();
    return 0;
}