#include <iostream>
#include <fstream>
#include <conio.h>

using namespace std;

const int kol_st = 3;
struct students
{
    char fio [20];
    int id_group;
    int raiting [5];
};

int main()
{
    FILE *fileWrite;
    fileWrite = fopen ("D:\\file.txt", "w");
    students *mass_st = new students [kol_st];

    const int buffer_size = 1000;
    char buffer [buffer_size];
    const int ocenki = 5;

    for (int i = 0; i < kol_st; i++)
    {
        cout << "Vvedite imya " << i+1 <<"-go studenta: " << endl;
        cin >> mass_st[i].fio;
        cout << endl;
        cout << "Vvedite nomer gryppu: " << endl;
        cin >> mass_st[i].id_group;
        cout << endl;
        cout << "Vvedite ocenki studentov" << endl;

        for (int j = 0; j < ocenki; j++)
        {
            cout << j+1 << ") ";
            cin >> mass_st[i].raiting[j];
        }
            cout << endl;
    }

    for (int i = 0; i < kol_st; i++)
    {
        sprintf (buffer, "%s" "\n" "%d" "\n", mass_st[i].fio, mass_st [i].id_group);
        fputs(buffer, fileWrite);

        for (int  j = 0;  j < ocenki; j++)
        {
            char znak = ' ';
                if (j + 1 == ocenki)
                {
                    znak = '\n';
                }

                sprintf (buffer, "%d" "%c", mass_st[i].raiting[j], znak);
                fputs (buffer, fileWrite);
        }
    }


    fclose (fileWrite);
    return 0;
}