Ошибок нет, но данная сортировка не функционирует

class StudenR
{
    string Name;
    int NumGroup; 
    string Sex;
    int Marks[5];
    int AVM;
public:
    StudenR();
    StudenR(ifstream &fin);
    bool Read(ifstream &fin);
    void Write(ofstream &fout);
    int AvMark();
    void SetMarks(int &marks);
    int GetMarks(int i) { return Marks[i]; }
    int GetAvMark() {return AVM;}
    ~StudenR();
};
#include "stdafx.h"
#include "StudenR.h"
using namespace std;

StudenR::StudenR()
{
    Name = "<unknown>";
    NumGroup = 0;
    Sex = 'x';
    for (int i = 0; i < 5; i++)
        Marks[i] = 0;
}
StudenR::StudenR(ifstream &fin) {
    fin >> Name;
    fin >> NumGroup;
    fin >> Sex;
    for (int i = 0; i < 5; i++) {
    fin >> Marks[i]; 
            AVM = AvMark();
    }
}
bool StudenR::Read(ifstream &fin) {
    if (!(fin >> Name))return false;
    if (!(fin >> NumGroup))return false;
    if (!(fin >> Sex))return false;
for (int i = 0; i < 5; i++)
        if (!(fin >> Marks[i]))return false;
    return true;
}
int StudenR::AvMark() {
    int AvMark = 0;
    for (int i = 0; i < 5; i++) {
        AvMark += Marks[i];
    }
    AvMark /= 5;
    return AvMark;
}
void StudenR::SetMarks(int &marks) {
    for (int i = 0; i<5; i++)
        this->Marks[i] = marks;
}
void StudenR::Write(ofstream &fout) {
    fout << Name << " " << NumGroup << " " << Sex << " ";
    for (int i = 0; i < 5; i++) {
        fout << Marks[i] << " ";
    }
    fout << endl;
}
StudenR::~StudenR()
{
}
#include "stdafx.h"
#include "StudenR.h"
using namespace std;
void Read1(StudenR*students, ifstream &fin, int &n);
void Write(StudenR*students, ofstream &fout, int n);
void WriteAvM(ofstream&fout, StudenR*students, int n);
void Sort(StudenR*&studets, int n);
int main()
{
    ifstream fin("Text.txt");
    ofstream fout("res.txt");
    StudenR *students = new StudenR[100];
    int n = 0;
    Read1(students, fin, n);
    Write(students, fout, n);
    fout << endl << endl << endl;
    WriteAvM(fout, students, n);
    fout << endl << endl << endl;
    Sort(students, n);
    Write(students, fout, n);
    fin.close();
    fout.close();
    delete[]students;
    return 0;
}
void Read1(StudenR *students, ifstream &fin, int &n) {
    n = 0;
    for (; !fin.eof(); n++) {
        if (!students[n].Read(fin))return;
    }
}
void Write(StudenR *students, ofstream &fout, int n) {
    for (int i = 0; i < n; i++)
        students[i].Write(fout);
}

void WriteAvM(ofstream &fout, StudenR *students, int n) {
    for (int i = 0; i < n; i++) {
        students[i].Write(fout);
        int AvMark = students[i].AvMark();
        fout << "AvMark" << i + 1 << "=" << AvMark << endl;
    }
}
void Sort(StudenR*&students, int n) {
    for (int i = 0; i < n - 1; i++) {
        for (int j = 0; j < n - 1 - i; j++) {
            if (students[j].GetAvMark()<students[j + 1].GetAvMark()) {
                StudenR s = students[j];
                students[j] = students[j + 1];
                students[j + 1] = s;
            }
        }
    }
}