我需要重载多个不同对象的加法运算符并返回一个'集群对象:“重载加法运算符(+)以添加台式机、笔记本电脑和集群的任何实例组合。此运算符应返回集群类型的对象”所以如果我有桌面1+笔记本电脑1+笔记本电脑2;我需要它返回一个添加所有 RAM 和每个对象的其他变量的集群。但它只会添加所有对象从计算机类继承的变量。这是我的项目其余部分的代码。谢谢!
#include <iostream>
using namespace std;
class computer
{
public:
double RAM;
double CPUSpeed;
int numberOfCores;
double HDDSize;
virtual void print();
};
class desktop : public computer
{
public:
bool hasMonitor;
double monitorSize;
friend istream& operator>> (istream &in, desktop &myDesktop);
};
class laptop : public computer
{
public:
double screenSize;
};
class cluster : public computer
{
public:
int numOfComp;
};
desktop::desktop()
{
RAM = 0;
CPUSpeed = 0;
numberOfCores = 0;
HDDSize = 0;
hasMonitor = 0;
monitorSize = 0;
}
laptop::laptop()
{
RAM = 0;
CPUSpeed = 0;
numberOfCores = 0;
HDDSize = 0;
screenSize = 0;
}
cluster::cluster()
{
RAM = 0;
CPUSpeed = 0;
numberOfCores = 0;
HDDSize = 0;
numOfComp = 0;
}
istream& operator>> (istream &in, desktop &myDesktop)
{
in >> myDesktop.hasMonitor;
in >> myDesktop.monitorSize;
in >> myDesktop.RAM;
in >> myDesktop.CPUSpeed;
in >> myDesktop.HDDSize;
in >> myDesktop.numberOfCores;
return in;
}
istream& operator>> (istream &in, laptop &mylaptop)
{
in >> mylaptop.RAM;
in >> mylaptop.CPUSpeed;
in >> mylaptop.HDDSize;
in >> mylaptop.numberOfCores;
in >> mylaptop.screenSize;
return in;
}
istream& operator>> (istream &in, cluster &myCluster)
{
in >> myCluster.RAM;
in >> myCluster.CPUSpeed;
in >> myCluster.HDDSize;
in >> myCluster.numberOfCores;
in >> myCluster.numOfComp;
return in;
}
operator+(computer &myComp)
{
return