c++作业 友元函数的使用（2018.9.19）

#include

using namespace std;
class student
{
private:
char name[20];
float grade;
public:
student();
friend void compare(student stu1,student stu2);

};

void compare(student stu1,student stu2)
{
if(stu1.grade>stu2.grade)
cout<<stu1.name<<"'s grade is higher than"<<stu2.name;
else cout<<stu2.name<<" 's grade is hinger than"<<stu1.name;

}

int main()
{
student s[2];
compare(s[0],s[1]);

return 0;

}

student::student()
{
cout<<“print your information(name,grade)”<<endl;
cin>>name>>grade;
}