04. Snowwhite (90/100)

using System;
using System.Linq;
using System.Collections.Generic;

namespace Snowwhite
{
    class Program
    {
        public static void Main()
        {
            var dwarfs = new Dictionary<string, int>();

            string command;

            while ((command = Console.ReadLine()) != "Once upon a time")
            {
                var dwarf = command.Split(" <:> ");
                string nameAndColor = dwarf[0] + '|' + dwarf[1];
                int physics = int.Parse(dwarf[2]);

                if (!dwarfs.ContainsKey(nameAndColor))
                {
                    dwarfs.Add(nameAndColor, physics);
                }

                dwarfs[nameAndColor] = Math.Max(dwarfs[nameAndColor], physics);
            }

            foreach (var dwarf in dwarfs
                .OrderByDescending(x => x.Value)
                .ThenByDescending(x => dwarfs.Where(c => c.Key.Split('|')[1] == x.Key.Split('|')[1])
                .Count()))
            {
                Console.WriteLine($"({dwarf.Key.Split('|')[1]}) {dwarf.Key.Split('|')[0]} <-> {dwarf.Value}");
            }
        }
    }
}