结构体练习统计学生成绩

#include<stdlib.h>
#include<string.h>
#include<iostream>
using namespace std;
typedef struct
{
    int num;
    char name[10];
    int yuwen;
    int shuxue;
    int yingyu;
    double avg;
}student;
void shuru (student & ,int i);
void shuchu (student &);
int main()
{
    cout<<"请输入学生数目：";
    int N;
    cin>>N;
    student a[100];
    for (int i = 0; i < N; i++ )
    {
        shuru (a[i] , i);
        cout<<endl;
    }

    for (int i = 0; i < N; i++)
    {
        shuchu (a[i]);
    }

    system("pause");
}

void shuru (student &stu, int i)
{   
    cout<<"请输入学生"<<i+1<<"的信息："<<endl;
    cout<<"学号：";
    cin>>stu.num;
    cout<<"姓名：";
    cin>>stu.name;
    cout<<"语文分数：";
    cin>>stu.yuwen;
    cout<<"数学分数：";
    cin>>stu.shuxue;
    cout<<"英语分数：";
    cin>>stu.yingyu;
    stu.avg = (stu.shuxue+stu.yuwen+stu.yingyu)/3;
}
void shuchu (student &stu)
{
    cout<<"学生"
        <<stu.name
        <<" 的学号为："
        <<stu.num
        <<" 语文分数："
        <<stu.yuwen
        <<" 数学分数："
        <<stu.shuxue
        <<" 英语分数："
        <<stu.yingyu
        <<" 平均分："
        <<stu.avg<<endl;
}