第二周上機任務項目2-讀取資料到結構體數組 (另一個版本)

#include<fstream>#include<iostream>using namespace std;struct Student{char num[13]; char name[14];int score[4];}stu[300];void reward(Student [],int );void sort(Student [],int );void output(Student [],int );int main(){    int i,j,stuNum=0;ifstream infile("score.txt",ios::in);if(!infile){cerr<<"open error!"<<endl;exit(1);}while(!infile.eof()){for(i=0;i<stuNum;i++)  {   infile>>stu[i].num>>stu[i].name;        for(j=0;j<3;j++)  {  infile>>stu[i].score[j];  }  }  ++stuNum;}infile.close();for(i=0;i<stuNum;i++){for(j=0;j<3;j++)student[i].score[4]=student[i].score[j]+student[i].score[j]+student[i].score[j];}cout<<"獲得獎學金學生的名單："<<endl;reward(student,stuNum);cout<<endl;cout<<"按照總分排序為："<<endl;sort(student,stuNum);output(student,stuNum);return 0;}void sort(Student [],int stuNum){int i,j;Student t;for(j=1;j<stuNum;j++)for(i=0;i<=stuNum-j-1;i++)            if(student[i].score[4]<student[i+1].score[4]){t=student[i];student[i]=student[i+1];student[i+1]=t;}return;}void reward(Student [],int stuNum){int i,j;sort(student,stuNum);for(i=0;i<stuNum;i++){if(student[i].score[0]>=60&&student[i].score[1]>=60&&student[i].score[2]>=60)j++;}for(j=0;j<=30;j++){cout<<student[j].score[2]<<"     ";}return;}void output(Student [],int stuNum){for(i=0;i<stuNum;i++)  {  infile>>stu[i].num>>stu[i].name;    for(j=0;j<3;j++)  {  infile>>stu[i].score[j];  }  }  return;}