using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var data = new List<Rooms>();

        data.AddRange(new List<Rooms>() { new Rooms() { Id = 0, Name = "Room", Code = "A" }, new Rooms() { Id = 998, Name = "Room", Code = "B" }, new Rooms() { Id = 59, Name = "Room", Code = "C" }, new Rooms() { Id = 62, Name = "Room CDE", Code = "D" }, new Rooms() { Id = 75, Name = "Room", Code = "E" },new Rooms() { Id = 80, Name = "Room", Code = "Z" },new Rooms() { Id = 10, Name = "Room ABC", Code = "R" } });

        //#1 - How many rooms are there? 

        Console.WriteLine(data.Count());

        //#2 - Store the room id #62 into a variable

        Rooms MyRoom;

        int  RoomID = 0;

        foreach(Rooms Room in data){

            MyRoom = Room;

            if(Room.Id == 62){

                RoomID = Room.Id;

                Console.WriteLine(RoomID);

            }

        }

    Console.WriteLine("\n\n");  

​

        //#3 - Group the rooms by Name and display the max id per each name group, ordered by name alphabetically

        // Order first

        // sort manually would require multiple passes possibly

        int Found = 0;

        int j = 0;

        var NewList = new List<Rooms>();

        foreach(Rooms Room in data){

            Found = 0;

            //trouble with find syntax so brute force. TODO: Update with LIST methods

            foreach(Rooms NewRoom in NewList){

                if(NewRoom.Name == Room.Name){

                    Found = 1;

                    if(NewRoom.Id < Room.Id){NewRoom.Id = Room.Id;}

                }

            }

            if(Found == 0){

                // Check if should be inserted or added after

                for(j = 0; j < NewList.Count(); j++){

                    if(String.Compare(NewList[j].Name, Room.Name)== 1){

                        NewList.Insert(j, Room);

                        break;

                    }

                }

                if(j == NewList.Count()){

                    NewList.Add(Room);  

                }

            }

        }

        foreach(Rooms Room in NewList){

            Console.WriteLine(Room.Name + " " + Room.Id);

        }

    }

}

​

public class Rooms

{

    public int Id { get; set; }

    public string Name { get; set; }

    public string Code { get; set; }

}