#include <iostream>
using namespace std;
class Student
{
public:
Student(int n,int a,double s):num(n),age(a),score(s){}
static double average(Student *stud,int);
private:
int num;
int age;
double score;
static double sum;
static int count;
};
int Student::count=0;
double Student::sum=0;
double Student::average(Student *stud,int n)
{
for(int i=0;i<n;i++)
{
sum+=stud[i].score;
count++;
}
return sum/count;
}
int main()
{
Student stud[3]={Student(101,18,100),Student(102,20,62.5),Student(103,19,97.5)};
cout<<"average="<<Student::average(stud,3)<<endl;
return 0;
}
using namespace std;
class Student
{
public:
Student(int n,int a,double s):num(n),age(a),score(s){}
static double average(Student *stud,int);
private:
int num;
int age;
double score;
static double sum;
static int count;
};
int Student::count=0;
double Student::sum=0;
double Student::average(Student *stud,int n)
{
for(int i=0;i<n;i++)
{
sum+=stud[i].score;
count++;
}
return sum/count;
}
int main()
{
Student stud[3]={Student(101,18,100),Student(102,20,62.5),Student(103,19,97.5)};
cout<<"average="<<Student::average(stud,3)<<endl;
return 0;
}