using System;

​

namespace BBB

{

    using System;

    using System.Reflection;

    using System.Threading;

​

    namespace Kita1

    {

        class Date

        {

            //תכונות

            private int Day;

            private int Month;

            private int Year;

​

            //פעולות בונות

            public Date(int Day, int Month, int Year)

            {

                this.Day = Day;

                this.Month = Month;

                this.Year = Year;

​

            }

​

            public Date(Date d)

            {

                this.Year = d.Year;

                this.Day = d.Day;

                this.Month = d.Month;

            }

​

            //פעולות Get (מחזירות)

            public int GetDay()

            {

                return Day;

            }

​

            public int GetMonth()

            {

                return Month;

            }

​

            public int GetYear()

            {

                return Year;

            }

​

            //פעולות SET (מעדכנות)

            public void SetDay(int Day)

            {

                this.Day = Day;

            }

​

            public void SetMonth(int Month)

            {

                this.Month = Month;

            }

​

            public void SetYear(int Year)

            {

                this.Year = Year;

            }

​

            //הפעולה COMPERTO

            public int ComperTo(Date other)

            {

                if (this.Year == other.Year)

                {

                    if (this.Month == other.Month)

                    {

                        return (this.Day - other.Day);

                    }

                    else

                    {

                        return (this.Month - other.Month);

                    }

                }

                else

                {

                    return (this.Year - other.Year);

​

                }

            }

            // הפעולה TOSTRING

            public override string ToString()

            {

                return (Day + "/" + Month + "/" + Year);

            }

​

        }

​

​

​

        class Talmid

        {

            private string Name;

            private Date birth;

            private int[] grades;

​

            //פעולה בונה

            public Talmid(string Name, Date birth)

            {

                this.Name = Name;

                this.birth = new Date(birth);//הפעלת הפעולה הבונה מעתיקה של המחלקה Date

                this.grades = new int[5];

            }

            //פעולה בונה מעתיקה

            public Talmid(Talmid t)

            {

                this.Name = t.Name;

                this.birth = new Date(t.birth);

                this.grades = new int[5];

                for (int i = 0; i < grades.Length; i++)

                    grades[i] = t.grades[i];

            }

            //פעולות מאחזרות

            public string GetName()

            {

                return Name;

            }

            public Date GetBirth()

            {

                // return this.birth;

                //יצרנו עצם חדש מסוג תאריך על ידי הפעלת הפעולה הבונה מעתיקה

                Date temp = new Date(this.birth);

                return temp;

            }

            public int[] GetGrades()

            {

                // return this.grades;

                int[] copy = new int[this.grades.Length];

                for (int i = 0; i < copy.Length; i++)

                    copy[i] = this.grades[i];

                return copy;

            }

            //פעולות קובעות

            public void SetName(string Name)

            {

                this.Name = Name;

            }

​

            public void SetBirth(Date d)

            {

                // this.birth = d;

                //נכנס לתכונות של הפרמטר ונעתיק את התכונות ולא כתובת

                this.birth.SetDay(d.GetDay());

                this.birth.SetMonth(d.GetMonth());

                this.birth.SetYear(d.GetYear());

            }

            public void SetGrades(int[] grades)

            {

                //this.grades = grades;

                for (int i = 0; i < grades.Length; i++)

                    this.grades[i] = grades[i];

            }

            public double Avg()

            {

                int sum = 0;

                for (int i = 0; i < this.grades.Length; i++)

                    sum += this.grades[i];

                return sum / this.grades.Length;

            }

​

​

            public override string ToString()

            {

                string st = "name: " + this.Name + " ,birth: " + this.birth.ToString() + "grades: ";

                for (int i = 0; i < grades.Length; i++)

                    st += this.grades[i] + " ";

                return st;

            }

        }

        class Kita

        {

            private char level;

            private int number;

            private int numOfStudents;

            private Talmid[] talmidim;

            public Kita (char level,int number,int numOfStudents, Talmid[]Talmidim)

            {

                this.level = level;

                this.number = number;

                this.numOfStudents = numOfStudents;

                this.talmidim = new Talmid[20];

            }

            public Kita (char level,int number)

            {

                this.level = level;

                this.number = number;

                Console.WriteLine("how many students in class?");

                this.numOfStudents = int.Parse(Console.ReadLine());

                Talmid[] talmidim = new Talmid[20];

                for (int i=0; i<numOfStudents;i++)

                {

                    Console.WriteLine("enter name and birth date");

                    string name = Console.ReadLine();

                    int day = int.Parse(Console.ReadLine());

                    int month = int.Parse(Console.ReadLine());

                    int year = int.Parse(Console.ReadLine());

                    talmidim[i].SetBirth(new Date(day, month, year));

                    talmidim[i].SetName(name);

                    int[] grades = new int[5];

                    for (int j=0; j<5; j++)

                    {

                        Console.WriteLine(j+ ". enter grade");

                        grades[j] = int.Parse(Console.ReadLine());

                    }

                    talmidim[i].SetGrades(grades);

                }

​

            }

            public Kita ()

            {

                Console.WriteLine("enter grade");

                this.level = char.Parse(Console.ReadLine());

                Console.WriteLine("number of class");

                this.number =int.Parse(Console.ReadLine());

                Console.WriteLine("how many students in class?");

                this.numOfStudents = int.Parse(Console.ReadLine());

                Talmid[] talmidim = new Talmid[20];

                for (int i = 0; i < numOfStudents; i++)

                {

                    Console.WriteLine("enter name and birth date");

                    string name = Console.ReadLine();

                    int day = int.Parse(Console.ReadLine());

                    int month = int.Parse(Console.ReadLine());

                    int year = int.Parse(Console.ReadLine());

                    talmidim[i].SetBirth(new Date(day, month, year));

                    talmidim[i].SetName(name);

                    int[] grades = new int[5];

                    for (int j = 0; j < 5; j++)

                    {

                        Console.WriteLine(j+ ". enter grade");

                        grades[j] = int.Parse(Console.ReadLine());

                    }

                    talmidim[i].SetGrades(grades);

                }

            }

            public Kita (Kita t)

            {

              this.level = t.level;

              this.number = t.number;

              this.numOfStudents = t.numOfStudents;

                this.talmidim = new Talmid[20];

                 for(int i=0; i<numOfStudents;i++)

            {

                this.talmidim[i] = t.talmidim[i];

            }

            }

            public char GetLevel()

            {

            return this.level;

            }

            public int GetNumber()

            {

            return this.number;

            }

            public int GetNumOfStudents()

            {

            return this.numOfStudents;

            }

            public Talmid [] GetTalmidim()

            {

            Talmid [] x  = new Talmid[this.talmidim.Length];

                for (int i =0; i<x.Length; i++)

                {

                x[i]= this.talmidim[i];

                }

                return x;

            }

            public void SetLevel (char level)

            {

            this.level = level;

            }

            public void SetNumber (int number)

            {

            this.number = number;   

            }

            public void SetNumOfStudents(int numOfStudents)

            {

            this.numOfStudents = numOfStudents;

            }

             public void SetTalmidim(Talmid[] talmidim)

        {

            for (int i = 0; i < talmidim.Length; i++)

                this.talmidim[i] = talmidim[i];

            }

            public Talmid BestStudent()

            {

                double max = 0;

                int imax=0;

            for (int i=0; i< numOfStudents; i++)

            {

            double aaa = talmidim[i].Avg();

                if(aaa>max){

                    max=aaa;

                    imax=i;

                }

                return talmidim[imax];

            }

            }

​

​

​

​

​

​

​

​

        }

    }

​

​

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Hello World!");

        }

    }

        }

​

​