using System;

​

namespace Practice7

{

    abstract class Person

    {

        public string name;

        public string lastname;

    }

​

    class Student : Person

    {

        public int mark;

        public Student(string name, string lastname)

        {

            this.name = name;

            this.lastname = lastname;

        } 

    }

​

    class Teacher : Person

    {

        public string department;

        public Teacher(string name, string lastname, string department)

        {

            this.name = name;

            this.lastname = lastname;

            this.department = department;

        }

    }

​

    class Group

    {

        public string number;

        public Student[] group;

        public int studentsAdded;

​

        public Group(string number, int count)

        {

            this.number = number;

            this.group = new Student[count];

            this.studentsAdded = 0;

        }

​

        public void AddStudents(string name, string lastname)

        {

            this.group[studentsAdded] = new Student(name, lastname);

            studentsAdded++;

        }

    }

​

    class Exam

    {

        public string subj;

        public Teacher teach;

        public Group group;

​

        public Exam( string subj, Teacher teach, Group group)

        {

            this.subj = subj;

            this.teach = teach;

            this.group = group;  

        }

​

        public void ProcessExam()

        {

            Random rnd = new Random();

            for(int i = 0; i < this.group.studentsAdded; i++)

            {

                this.group.group[i].mark = rnd.Next(60, 101);

            }

        }

        public void ResultExam()

        {

            {

                Console.WriteLine($"Результат экзамена по предмету: {this.subj}");

                Console.WriteLine($"Преподаватель: {this.teach.name} {this.teach.lastname} | Кафедра: {this.teach.department}");

                for (int i = 0; i < this.group.studentsAdded; i++)

                {

                    Console.WriteLine($"Студент: {this.group.group[i].name} {this.group.group[i].lastname} | Оценка: {this.group.group[i].mark}");

                }

            }

        }

​

​

    }

    public class Program

    {

        public static void Main(string[] args)

        {

            Group g1 = new Group("12e/u", 4);

            g1.AddStudents("Ann","Leonicheva");

            g1.AddStudents("Yurii","Banin");

            g1.AddStudents("Yaroslav","Kharchenko");

            g1.AddStudents("Ann","Danilenko");

            Teacher t1 = new Teacher("Tatiana","Nazarenko","Foreign languages");

            Exam e1 = new Exam("English language", t1, g1);

            e1.ProcessExam();

            e1.ResultExam();

​

​

​

​

        }

    }

}

​