成绩排序

/* 
* 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： date.cpp                            
* 作    者：  孙培培                           
* 完成日期：  2013年  3月  12日 
* 版本号： v1.0       
* 输入描述：年月日 
* 问题描述：输出对应的那一天是这一年的第几天 
* 输出：第几天 
*/  

#include<iostream>

using namespace std;

struct Score{

        char num[14];

        int cpp;

        int math;

        int english;

};

void sort1(Score [],int );

void sort2(Score [],int );

void output(Score [],int );

int main(){

        Score score[]={{"201152501104",65,69,68},

        {"201152501114",94,89,63},

        {"201152501138",67,62,84},

        {"201152501204",100,65,91},

        {"201152501202",59,80,55},

        {"201152501115",92,84,60},

        {"201152501201",80,92,71},

        {"201152501145",88,56,67},

        {"201152501203",62,62,95},

        {"201152501140",80,60,86},

        {"201152501205",73,90,94},

        };

        int stuNum=sizeof(score)/sizeof(score[0]);

        //将所有同学按学号升序排序后输出

        sort2(score,stuNum);

        cout<<"按学号升序后排列为："<<endl;

        output(score,stuNum);

        sort1(score,stuNum);

        cout<<"按C++降序排列后："<<endl;

        output(score,stuNum);

        return 0;

}

void sort1(Score score[],int stuNum){

        struct Score a[1];

        int i,j;

        for(i=0;i<stuNum;i++)

        {

               for(j=0;j<stuNum-1;j++)

                       if(score[j].cpp<score[j+1].cpp)

                       {

                               a[0]=score[j];

                               score[j]=score[j+1];

                               score[j+1]=a[0];

                       }

        }

        return ;

}

void sort2(Score score[],int stuNum){

        struct Score a[1];

        int i,j;

        for(i=0;i<stuNum;i++)

        {

               for(j=0;j<stuNum-1;j++)

                       if(strcmp(score[j].num,score[j+1].num)>0)

                       {

                               a[0]=score[j];

                               score[j]=score[j+1];

                               score[j+1]=a[0];

                       }

        }

        return ;

}

void output(Score score[],int stuNum)

{

        int i;

        for(i=0;i<stuNum;i++){

               cout<<score[i].num<<" "<<score[i].cpp<<" "<<score[i].math<<" "<<score[i].english<<endl;

        }

        return ;

}