第二周 项目三：用结构体数组作计算

/** 程序的版权和版本声明部分* Copyright (c)2013, 烟台大学计算机学院学生* All rightsreserved.* 文件名称：score.cpp                           * 作    者：    李洋                        * 完成日期： 2013 年 3 月  13 日* 版本号： v1.0      * 输入描述：无* 问题描述：无* 输出：按总分的排序，以及获奖学金同学的名单*/#include <fstream>#include <iostream>#include <iomanip>using namespace std;struct Score{char num[13]; char name[14];int cpp;int math;int english;int sum;};void paixu(Score score[],int n);void output(Score score[],int n);void jiangxuejin(Score score[],int n);int main(){    int i,j,n=0;Score score[300];ifstream infile("score.txt",ios::in);if(!infile){cerr<<"open error!"<<endl;exit(1);}while(!infile.eof()){infile>>score[n].num>>score[n].name>>score[n].cpp>>score[n].math>>score[n].english;++n;}infile.close();paixu(score,n);output(score,n);jiangxuejin(score,n);return 0;}void paixu(Score score[],int n){int i,j;Score t;for(i=0;i<n;++i){score[i].sum=score[i].cpp+score[i].math+score[i].english;}for(j=1;j<n;++j){for(i=0;i<=n-j-1;++i)if(score[i].sum<score[i+1].sum){t=score[i];score[i]=score[i+1];score[i+1]=t;}}}void jiangxuejin(Score score[],int n){int i,j=0;cout<<"获得奖学金的同学有："<<endl;for(i=0;i<n;++i){if(j<30){if(score[i].cpp>=60&&score[i].math>=60&&score[i].english>=60){cout<<setw(8)<<score[i].name;j=j+1;}}else{break;}}cout<<endl;}void output(Score score[],int n){int i;for(i=1;i<n;i++){cout<<score[i].num<<"   "<<score[i].name<<"   "<<score[i].cpp<<"    "<<score[i].math<<"    "<<score[i].english<<"    "<<score[i].sum<<endl;}}