Вывести список студентов по алфавиту

#include <conio.h>
#include <string.h>
#include <iostream>
using namespace std;
int i ;
 
class Student
{ private:
 
  char name[30];
  char fam[30];
  char dr[30];
  int year;
  char adr[30], fac[20];
  int kurs;
 public:
 
  void Set()
{ cout<<"Input name:";  cin>>name;
cout<<"Input fam:";  cin>>fam;
  cout<<"Input day and month of born";cin>>dr;
   cout<<"Input year:";cin>>year;
  cout<<"Input adr:";cin>>adr;
  cout<<"Input fac:";cin>>fac;
  cout<<"Input kurs:";cin >> kurs;
}
void show()
{
cout << "Name :" <<name << endl;
cout<<"Input fam:"<< fam<< endl;
cout<<"Dr: "<<dr<<endl;
cout<<"year: "<<year<<endl;
cout << "Address :" << adr << endl;
cout << "Fac :" << fac <<endl;
cout << "Kurs :"<<kurs<<endl;
}
char *getfac() { return fac; }
char *getfam() { return fam; }
int getyear() { return year; }
};
 
void spisfac(Student spis[],int n)//список студентов заданного факультетата
{char fac[20];
cout<<"Input faculty:"; cin>>fac;
for(int i=0;i<n;i++)
if(strcmp(spis[i].getfac(),fac)==0)
        spis[i].show();
}
 
void spisyear(Student spis[],int n)
//список студентов после заданного года
{ int i,k;
  int year;
  cout<<"Input year:"; cin>>year;
  for(i=0;i<n;i++)
  if (spis[i].getyear()>year)
  spis[i].show();
}
 
 
int main()
{ Student *spis;
  int n;
  cout<<"Input kolichestvo students: "; cin>>n;
  spis=new Student [n];
 for(int i=0;i<n;i++)
  {
    cout<<"\n=============================="<<endl;
     spis[i].Set();
       spis[i].show();
 
  }
 
   cout<<"\n=============================="<<endl;
   spisyear(spis,n);
   cout<<"\n=============================="<<endl;
   spisfam(spis,n);
delete [] spis;
system("pause");
}
//---------------------------------------------------------------------------

#include <iostream>
#include <string>
#include <algorithm>
 
class Student {
private:
    std::string m_name;
public:
    Student(std::string name) :m_name{ name } {
    }
    
    friend bool operator >(const Student& s1, const Student& s2) {
        return (s1.m_name.compare(s2.m_name) > 0);
    }
 
    friend bool operator <(const Student& s1, const Student& s2) {
        return (s2 > s1);
    }
    friend std::ostream& operator<<(std::ostream& out, const Student& obj) {
        out << obj.m_name << "\n";
        return out;
    }
};
 
int main()
{
    Student arr[]{ Student("Mary"), Student("Peter"), Student("Paul"), Student("John"), Student("Ann") };
    std::cout << "Unsorted array:\n";
    for (const Student& obj : arr) {
        std::cout << obj;
    }
 
    std::cout << "\n";
 
    std::sort(arr, arr + 5);
    std::cout << "Sorted array:\n";
    for (const Student& obj : arr) {
        std::cout << obj;
    }
}