项目六学生成绩的统计

来源：互联网发布：淘宝手机销量排行榜编辑：程序博客网时间：2024/04/29 19:38

#include <iostream>using namespace std;struct Student{    char num[13];    char name[10];    int cpp;    int math;    int english;    int grade;    double average;};const int N=3;int main( ){    int i;    Student stu[N];    for(i=0; i<N; ++i)    {        cout<<"请依次输入第"<<i+1<<"名同学的学号,姓名,三科成绩";        cin>>stu[i].num>>stu[i].name>>stu[i].cpp>>stu[i].math>>stu[i].english;        stu[i].grade=stu[i].cpp+stu[i].math+stu[i].english;        stu[i].average=stu[i].grade/3.0;    }    for(i=0; i<N; ++i)    {        cout<<stu[i].num<<" "<<stu[i].name<<" "<<"总成绩"<<stu[i].grade<<"平均成绩"<<stu[i].average;        cout<<endl;    }    return 0;}

#include<iostream>#include<string.h>using namespace std;struct Student{    char num[13];    char name[10];    int cpp;    int math;    int english;    int grade;    double average;};void calculate(Student s[],int n);void sort1(Student [],int);      //按总分降序排序void sort2(Student [],int);      //按学号升序排序void output(Student [],int);     //输出成绩单void outputExcellent(Student [],int);  //输出优秀者：总分超285，单科不低于90int main(){    Student stu[]= {        {"201152501104","Tom",65,69 ,68 },        {"201152501114","Jeery",94 ,89 ,63 },        {"201152501138","Speike",67 ,62 ,84 },        {"201152501204","Tyke",100 ,95 ,91 },        {"201152501202","Tuffy",59 ,80 ,55 },        {"201152501115","Butch",100 ,99 ,89 },        {"201152501201","Lightning",95 ,92 ,99 },        {"201152501145","Topsy",88 ,56 ,67 },        {"201152501203","Droopy",62 ,62 ,95 },        {"201152501140","Drupa",80 ,60 ,86 },        {"201152501205","Buzz",73 ,90 ,94}    };    int stuNum=sizeof(stu)/sizeof(stu[0]);    calculate(stu,stuNum);    cout<<"下面是成绩单:"<<endl;    output(stu,stuNum);    cout<<"优秀者名单:"<<endl;    outputExcellent(stu,stuNum);    sort1(stu,stuNum);    cout<<"按总分降序排序后:"<<endl;    output(stu,stuNum);    sort2(stu,stuNum);    cout<<"按学号升序排序后:"<<endl;    output(stu,stuNum);    return 0;}void calculate(Student s[],int n){    int i;    for(i=0; i<n; ++i)    {        s[i].grade=s[i].cpp+s[i].math+s[i].english;        s[i].average=s[i].grade/3.0;    }}void sort1(Student s[],int n){    int i,j;    Student temp;    for(i=0; i<n; ++i)        for(j=i; j<n; ++j)            if(s[i].grade<s[j].grade)            {                temp=s[j];                s[j]=s[i];                s[i]=temp;            }}void sort2(Student s[],int n){    int i,j;    Student temp;    for(i=0; i<n; ++i)        for(j=i; j<n; ++j)            if(strcmp(s[i].num,s[j].num)<0)            {                temp=s[j];                s[j]=s[i];                s[i]=temp;            }}void output(Student s[],int n){    int i;    for(i=0; i<n; ++i)    {        cout<<s[i].num<<" "<<s[i].name<<" "<<"总成绩"<<s[i].grade<<"平均成绩"<<s[i].average;        cout<<endl;    }}void outputExcellent(Student s[],int n){    int i;    for(i=0;i<n;++i)    {        if(s[i].grade>285&&s[i].cpp>=90&&s[i].math>=90&&s[i].english>=90)         cout<<s[i].num<<" "<<s[i].name<<" "<<"总成绩"<<s[i].grade<<"平均成绩"<<s[i].average<<endl;    }}

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