如何从两个类继承并调用需要创建对象的父类的构造函数?

您好,我是C ++的新手,我正在尝试制作一个包含Application类对象的程序。

应用程序类应继承两个类。类Games和类desktopApp。 构建程序时,出现两个跟随错误:

没有匹配的函数来调用'desktop App :: desktop App()

没有匹配的函数来调用'Games :: Games()

我的问题是:

为什么会出现这些错误?

我怎样才能每次都想创建一个对象的父类的构造函数?

我是否需要为Application类中的每个父类都构造两个构造函数?

非常感谢你。

游戏类代码:

class Games
{
    string category;
    float price;
public:
    Games (string category, float price)
    {
        this->category = category;
        this->price = price;
    }
};

desktopApp类代码:

class desktopApp
{
    string edition;
    vector<string> ratings;
public:
    desktopApp (string edition, vector<string> ratings)
    {
        this->edition = edition;
        copy(this->ratings.begin(), this->ratings.end(), back_inserter(ratings));
    }
};

应用程序类代码:

class Application:public desktopApp, public Games
{
    string name;
public:
    Application (string name, string category, float price):Games (category, price)
    {
        this->name = name;
    }

    Application (string name, string edition, vector<string> ratings):desktopApp (edition, ratings)
    {
        this->name = name;
    }
};

主要:

int main()
{
    Applications game1("aGame", "Violent", 45.7);
}