c++ help request

[lewis123]

i have a problem:

student.dat file
1. surname, name, patronymic (40 characters);
2. course number (1 character);
3. group number (1 character);
4. summary of the sessions: 10 sets of 5 evaluations each;
5. form of education: full-time, part-time (1 character);
6. exam: subject name (10 characters) and grade (1 character);
The data in the file is sorted by course number, within the course - by group number, within the group - by last name.

***excercie***

According to the data available in the student.dat file, it is required to form a list, display it on the screen, provide for adding data to the list in accordance with the structure, deleting, writing data to a file, and also displaying information about excellent students.

[dev7060]

student.dat file
1. surname, name, patronymic (40 characters);
2. course number (1 character);
3. group number (1 character);
4. summary of the sessions: 10 sets of 5 evaluations each;
5. form of education: full-time, part-time (1 character);
6. exam: subject name (10 characters) and grade (1 character);
The data in the file is sorted by course number, within the course - by group number, within the group - by last name.

***excercie***

According to the data available in the student.dat file, it is required to form a list, display it on the screen, provide for adding data to the list in accordance with the structure, deleting, writing data to a file, and also displaying information about excellent students.

What have you done so far?