#include<iostream>
#include<algorithm>
#include<fstream>
#include<list>
#include<cstdlib>
#include<cmath>
using namespace std;
class Score{
private:
double English;
double Math;
double ComputerInfo;
double AverScore;
double Total;
public:
Score(double Math,double English,double ComputerInfo)
{
this->English=English;
this->Math=Math;
this->ComputerInfo=ComputerInfo;
this->AverScore=ceil((English+Math+ComputerInfo)/3);/*****/
this->Total=English+Math+ComputerInfo;
}
Score(){}
~Score(){}
double GetEnglish(){return this->English;}
double GetMath(){return this->Math;}
double GetComputerInfo(){return this->ComputerInfo;}
double GetAver(){return this->AverScore;}
double GetTotal(){return this->Total;}
};
class Student:public Score{
private:
string id;
string name;
public:
Student(double English,double Math,double ComputerInfo,string id,string name):
Score(English,Math,ComputerInfo)
{
this->id=id;
this->name=name;
}
Student();
~Student()
{
}
string GetId(){return this->id;}
string GetName(){return this->name;}
};
bool TotalCmp(Student a,Student b)
{
return a.GetTotal()>b.GetTotal();
}
bool AverCmp(Student a,Student b)
{
return a.GetAver()>b.GetAver();
}
bool MathCmp(Student a,Student b)
{
return a.GetMath()>b.GetMath();
