Векттра

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <iterator>
using namespace std;
 
class Student {
 
private:
    string name;
    string surname;
 
 
 
public:
    Student(string name, string surname):name(name), surname(surname){};
    Student(const Student& student) :name(student.name), surname(student.surname){};
 
    Student& operator=(const Student& student) {
        name = student.name;
        surname = student.surname;
        return *this;
    }
 
    int CompareName(const Student& student) const {
        return name.compare(student.name);
    }
 
    int CompareSurname(const Student& student) const {
        return surname.compare(student.surname);
    }
 
    friend ostream& operator<< (ostream& stream, const Student& student) {
        stream << "   Name:" << setw(10) << student.name;
        stream << "   Surname:" << setw(10) << student.surname << endl;
        return stream;
    }
};
 
void Init(vector<Student>& students);
void Print(const vector<Student>& students);
 
int main()
{
    vector<Student> students;
 
    Init(students);
    cout << "Original list: :" << endl;
    Print(students);
 
 
    sort(students.begin(), students.end(), [](const Student& left, const Student& right) {return left.CompareName(right) < 0; });
    cout << "\nSorted ascending by name:" << endl;
    Print(students);
 
 
    sort(students.begin(), students.end(), [](const Student& left, const Student& right) {return left.CompareSurname(right) < 0; });
    cout << "\nSorted descending by surname:" << endl;
    Print(students);
 
    return 0;
}
void Init(vector<Student>& students) {
    students.push_back("Vasiliy", "Petrov");
    students.push_back("Oleg", "Golova");
    students.push_back("Maxim", "L");
    students.push_back("Dmitriy", "K");
    students.push_back("Andrey", "A");
    students.push_back("Vladislav", "G");
}
 
void Print(const vector<Student>& students) {
        cout << students;
}

void Init(vector<Student>& students) {
    students.push_back(Student("Vasiliy", "Petrov"));
    students.push_back(Student("Oleg", "Golova"));
    students.push_back(Student("Maxim", "L"));
    students.push_back(Student("Dmitriy", "K"));
    students.push_back(Student("Andrey", "A"));
    students.push_back(Student("Vladislav", "G"));
}

void Print(const vector<Student>& students) {
       for (const Student& student : students)
            cout << students;
}

void Print(const vector<Student>& students)
{
       for (const Student& student : students)
            cout << student;
}