Не получается сортировка

#include <iostream>
using namespace std;
 
struct Student
{
    char name[50];
    int group;
 
    union Exam
    {
        unsigned subject : 1;
    }mark;
 
}student;
 
void SortArrayStudent(Student *student, int n)
{
    for (int i = 0; i < n; i++)
    {
        for (int j = n - 1; j > 0; j--)
        {
            if (strcmp(student[j].name, student[j - 1].name) < 0)
                swap(student[j - 1], student[j]);
        }
    }
}
 
void main()
{
    Student myArray[30];
 
    int i = 0;
    int choose;
    int markOftheStudent;
 
    do
    {
        cout << "Please enter the name of the student: " << endl;
        cin.getline(student.name, sizeof(student.name));
 
        cout << "Please enter the group: " << endl;
        cin >> student.group;
 
        
        cout << "Pelase enter thee mark in order to put offster/fail" << endl;
        cin >> markOftheStudent;
 
        if (markOftheStudent > 5 || markOftheStudent < 1)
        {
            cout << "Error: 5-point system only" << endl;
        }
        else if (markOftheStudent == 5 || markOftheStudent == 4 || markOftheStudent == 3)
        {
            cout << "OFSTER" << endl;
        }
        else
        {
            cout << "FAIL EXAM" << endl;
        }
 
        while (markOftheStudent < 0 || markOftheStudent>5);
        student.mark.subject = markOftheStudent;
 
        cout << "\nKeep filling the teacher's list ? 0-no,1-yes:" << endl;
        cin >> choose;
        cin.ignore();
 
        if (choose==0)
        {
            cout << "Sorting the students,who took the ofster";
            if (markOftheStudent == 5 || markOftheStudent == 4 || markOftheStudent == 3)
            {
                SortArrayStudent(myArray, i);
                for (int j = 0; j < i; j++)
                {
                    cout << "\n\nName: " << myArray[j].name << endl;
                }
            }
        }
            
    } while (choose != 0 );
}

i = 0;

i++