8.9.cpp

来自「这是C++的一部分练习程序!对初学者有一定的帮助作用。」· C++ 代码 · 共 35 行

#include <iostream.h>
#include <string.h>
class Student
{
  public:
	Student(char name1[],int sco)
	{
		strcpy(name,name1);
		score=sco;
	}
	void total()
	{
		sum+=score;
		count++;
	}
	static double aver()
	{
		return (double)Student.sum/Student.count;
	}
  private:
	char name[20];
	int score;
	static int sum,count;
};
int Student::sum=0;
int Student::count=0;
void main()
{
	Student stu[5]={Student("Ma",89),Student("Hu",90),Student("LU",95),
		Student("Li",88),Student("Gao",75)};
	for(int i=0;i<5;i++)
		stu[i].total();
	cout<<"Average="<<Student::aver()<<endl;
}