简陋的记分板

#include <string>

#include <iostream>

class student {

public:

 int student_name_number;

 std::string student_name;

 long long int student_score=0;

 int student_scoreboard(long long int add_number){

  student_score=add_number+student_score;

  return student_score;

 }

 void student_scoreboard_display(){

  std::cout<<"姓名:"<<student_name<<" 学号:"<<student_name_number<<" 分数:"<<student_score<<std::endl;

 }

};

int main(){

 student someone;

 someone.student_name_number=1;

 someone.student_name="啊哈哈哈";

 someone.student_scoreboard_display();

 someone.student_scoreboard(123456);

 someone.student_scoreboard_display();

 student someone1;

 someone1.student_name_number=2;

 someone1.student_name="abcdefgh";

 someone1.student_scoreboard_display();

 someone1.student_scoreboard(-123);

 someone1.student_scoreboard_display();

 return 0;

}