#include <iostream>
    #include <string.h>
    using namespace std;
    int main()
    {
        struct students
        {
            char* name;
            int number;
            int mark1;
            int mark2;
            int mark3;
            int mark4;
        };
        students *student = new students();
        int k = 0;
        cout << "Vvedite kol-vo studentov: ";
        cin >> k;
        for (int i = 0; i < k; i++)
        {
            cout << "\nVvedite imya studenta: ";
            cin>>student[i].name;

            cout << "\nVvedite nomer gruppi: ";
            cin >> student[i].number;

            cout << "\nVvedite ocenky po algebre: ";
            cin >> student[i].mark1;
            cout << "\nVvedite ocenky po fizike: ";
            cin >> student[i].mark2;
            cout << "\nVvedite ocenky po himii: ";
            cin >> student[i].mark3;
            cout << "\nVvedite ocenke po geografii: ";
            cin >> student[i].mark4;
        }
        students *excellentStudent = new students();
        int i = 0, n=0;
        while (i < k)
        {
            if ((student[i].mark1 == 5) && (student[i].mark2 == 5) &&
                (student[i].mark3 == 5) && (student[i].mark4 == 5))
            {
                excellentStudent[i] = student[i];
                n++;
            }
            i++;
        }
        int choice = 0;
        cout << "\nVvedite '0', esli hotite otsortirovat po alfavity,\n"
            "ili '1', esli sortirovka ne trebyetsya.";
        cin >> choice;
        do
        {
            switch (choice)
            {
            case 0:
                students b;
                for (int m = 0; m < (n - 1); m++)
                {
                    for (int a = (m + 1); a < n; a++)
                    {
                        if (excellentStudent[m].name[0]>excellentStudent[a].name[0])
                        {
                            b = excellentStudent[m];
                            excellentStudent[m] = excellentStudent[a];
                            excellentStudent[a] = b;
                        }
                    }
                }
                for (int j = 0; j < n; j++)
                {
                    cout << "\n\n[" << j << "]";
                    cout << "\nImya studenta: " << excellentStudent[j].name;

                    cout << "\nNoper gruppi: " << excellentStudent[j].number;

                    cout << "\nOcenka po algebre: " << excellentStudent[j].mark1;
                    cout << "\nOcenka po fizike: " << excellentStudent[j].mark2;
                    cout << "\nOcenka po himii: " << excellentStudent[j].mark3;
                    cout << "\nOcenka po geometrii: " << excellentStudent[j].mark4;
                }
                break;
            case 1:
                for (int j = 0; j < n; j++)
                {
                    cout << "\n\n[" << j << "]";
                    cout << "\nImya studenta: " << excellentStudent[j].name;

                    cout << "\nNomer gruppi: " << excellentStudent[j].number;

                    cout << "\nOcenka po algebre: " << excellentStudent[j].mark1;
                    cout << "\nOcenka po fizike: " << excellentStudent[j].mark2;
                    cout << "\nOcenka po himii: " << excellentStudent[j].mark3;
                    cout << "\nOcenka po geometrii: " << excellentStudent[j].mark4;
                }
                break;
            default:
                cout << "Vvedeno nevernoe znachenie ["
                    << choice << "]. Poprobuite snova.";
                break;
            }
        } while ((choice == 0) || (choice == 1));

        return 0;
    }