Сортировка записей Структуры по алфавиту

#include <iostream>
using namespace std;
 
struct subject {
 
    char first[20];
    int mr1;
    char second[20];
    int mr2;
    char third[20];
    int mr3;
};
 
struct mr {
    char name[50];
    subject mark;
};
 
 
 
int main()
{
 
    mr student[4];
 
 
    for (int i = 0; i < 2; i++) {
        cout << "Enter name: ";
        cin.ignore();
        cin.getline(student[i].name, 50);
        cout << "Enter subject:  ";
        cin.ignore();
        cin >> student[i].mark.first;
        cout << "Enter mark:  ";
        cin >> student[i].mark.mr1;
        cout << "Enter subject:  ";
        cin.ignore();
        cin >> student[i].mark.second;
        cout << "Enter mark:  ";
        cin >> student[i].mark.mr2;
        cout << "Enter subject:  ";
        cin.ignore();
        cin >> student[i].mark.third;
        cout << "Enter mark:  ";
        cin >> student[i].mark.mr3;
 
        cout << "-------------------------------------------------------------------------\n";
    }
    for (int i = 0; i < 2; i++)
    {
        cout << student[i].name << endl << "Subject: " << student[i].mark.first << endl << "Mark: " << student[i].mark.mr1 << endl;
        cout << "Subject: " << student[i].mark.second << endl << "Mark: " << student[i].mark.mr2 << endl;
        cout << "Subject: " << student[i].mark.third << endl << "Mark: " << student[i].mark.mr3 << endl;
        cout << endl;
    }
 
 
 
 
    system("pause");
}

#include <iostream>
using namespace std;
 
struct subject {
 
    char first[20];
    int mr1;
    char second[20];
    int mr2;
    char third[20];
    int mr3;
};
 
struct mr {
    char name[50];
    subject mark;
};
 
 
 
int main()
{
 
    mr student[4];
 
 
    for (int i = 0; i < 4; i++) 
    {
        cout << "Enter name: ";
        cin.getline(student[i].name, 50);
        cout << "Enter subject 1: ";
        cin >> student[i].mark.first;
        cout << "Enter mark 1: ";
        cin >> student[i].mark.mr1;
        cin.ignore(50, '\n');
        cout << "Enter subject 2: ";
        cin >> student[i].mark.second;
        cin.ignore(50, '\n');
        cout << "Enter mark 2: ";
        cin >> student[i].mark.mr2;
        cin.ignore(50, '\n');
        cout << "Enter subject 3: ";
        cin >> student[i].mark.third;
        cout << "Enter mark 3: ";
        cin >> student[i].mark.mr3;
        cin.ignore(50, '\n');
 
        cout << "-------------------------------------------------------------------------\n";
    }
 
    mr temp;
    for (int i = 0; i < 3; i++)
    {
        for (int j = i+1; j < 4; j++)
        {
            if (strcmp(student[i].name, student[j].name) > 0)
            {
                memcpy_s(&temp, sizeof(mr), &student[i], sizeof(mr));
                memcpy_s(&student[i], sizeof(mr), &student[j], sizeof(mr));
                memcpy_s(&student[j], sizeof(mr), &temp, sizeof(mr));
            }
        }
    }
 
    for (int i = 0; i < 4; i++)
    {
        cout << student[i].name << endl << "Subject: " << student[i].mark.first << endl << "Mark: " << student[i].mark.mr1 << endl;
        cout << "Subject: " << student[i].mark.second << endl << "Mark: " << student[i].mark.mr2 << endl;
        cout << "Subject: " << student[i].mark.third << endl << "Mark: " << student[i].mark.mr3 << endl;
        cout << endl;
    }
 
 
 
 
    system("pause");
}