学生成绩管理系统

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;

const int Max=30;

class Student;
void setData(Student &s);
void count(Student &s);
void sort(Student S[],int N);
double getAverage(Student S[],int N);
void print(Student &s);
int search(Student S[],int N,char *n);
class Student
{
public:
    char number[Max];
    char name[Max];
    double chinese;
    double math;
    double english;
    double total;
    double average;
    int rank;
};


void setData(Student &s)
{