using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


namespace ConsoleApp3
{
    abstract class Zviera
    {
        static int nextId = 0;
        int id;
        public Zviera()
        {
            id = ++nextId;
           
        }

        public bool mensinez(Zviera z)
        {
            return (z.id < id);
        }
        public abstract float Hmotnost();

        public abstract float rychlost();

        public virtual bool jePredator()
        {
            return false;
        }
    }
    class Lev : Zviera
    {
        public override float Hmotnost()
        {
            return 190.0f;
        }

        public override float rychlost()
        {
            return 80f;
        }

        public override bool jePredator()
        {
            return true;
        }
    }
    class Danek : Zviera
    {
        public override float Hmotnost()
        {
            return 50.0f;
        }

        public override float rychlost()
        {
            return 40f;
        }
    }

    class Schedule : IComparable
    {
        int c;
        Zviera z;

        public Schedule(int cas, Zviera zviera)
        {
            c = cas;
            z = zviera;
        }
        public int CompareTo(object obj)
        {
            if (obj == null) return 1;
            Schedule other = obj as Schedule;
            if (c < other.c) return -1;
            if (c > other.c) return 1;
            if (z.mensinez(other.z)) return -1;
            if (other.z.mensinez(z)) return 1;
            return 0;

        }
    }
    class Program
    {

        static void Main(string[] args)
        {
            List<List<Zviera>> les = new List<List<Zviera>>();

            for (int i = 0; i < 10; i++)
            {
                les.Add(new List<Zviera>());
            }
            for (int i = 0; i < 10; i++)
            {
                les[0].Add(new Danek());
                les[9].Add(new Lev());
            }

            SortedSet<Schedule> kalendar = new SortedSet<Schedule>();
            foreach (List<Zviera> krovi in les)
            {
                foreach(Zviera z in krovi)
                {

                    kalendar.Add(new Schedule(0, z));
                }
            }

        }
    }
}