using System;
using System.Linq;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            Album[] albums = new Album[10];
            Random r = new Random();
            Record[] shortestSongs = new Record[10];
            Record[] longestSongs = new Record[10];

            for (int i = 0; i < 10; i++)
            {
                Album album = new Album(i);

                for (int j = 0; j < 10; j++)
                {
                    album.Tracks[j] = new Track(r.Next(30, 300));
                }

                albums[i] = album;
            }

            foreach (var item in albums)
            {
                shortestSongs[item.ID] = new Record(item.ID, item.Tracks.OrderBy(l => l.Length).Take(3).Sum(t => t.Length));
                longestSongs[item.ID] = new Record(item.ID, item.Tracks.OrderBy(l => l.Length).Reverse().Take(3).Sum(t => t.Length));
            }

            for (int i = 0; i < 10; i++)
            {
                Console.WriteLine("Album #{0}: Sum of Shortest Songs: {1} - Sum of Longest Songs: {2}", shortestSongs[i].AlbumID, shortestSongs[i].Length, longestSongs[i].Length);
            }

            Console.WriteLine("Shortest album is: #{0}", shortestSongs.OrderBy(s => s.Length).First().AlbumID);
            Console.WriteLine("Longest album is: #{0}", longestSongs.OrderBy(l => l.Length).Last().AlbumID);

            Console.ReadLine();
        }
    }

    class Album
    {
        public Track[] Tracks { get; private set; }
        public int ID { get; private set; }

        public Album(int id)
        {
            Tracks = new Track[10];
            ID = id;
        }
    }

    class Track
    {
        public int Length { get; private set; }

        public Track(int length)
        {
            Length = length;
        }
    }

    class Record
    {
        public int AlbumID { get; private set; }
        public int Length { get; private set; }

        public Record(int albumID, int length)
        {
            AlbumID = albumID;
            Length = length;
        }
    }
}