04. Snowwhite

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

namespace _04._Snowwhite
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = string.Empty;

            var dwarfs = new Dictionary<string, Dictionary<string, int>>();

            while ((input = Console.ReadLine()) != "Once upon a time")
            {
                string name = input.Split(" <:> ")[0];
                string color = input.Split(" <:> ")[1];
                int physics = int.Parse(input.Split(" <:> ")[2]);

                if(dwarfs.ContainsKey(color))
                {
                    if(dwarfs[color].ContainsKey(name))
                    {
                        if(dwarfs[color][name] < physics)
                        {
                            dwarfs[color][name] = physics;
                        }
                    }
                    else
                    {
                        dwarfs[color].Add(name, physics);
                    }
                }
                else
                {
                    dwarfs.Add(color, new Dictionary<string, int>());
                    dwarfs[color].Add(name, physics);
                }
            }

            foreach (var item in dwarfs)
            {
                foreach (var items in dwarfs[item.Key])
                {
                    if(items.Value == 0)
                    {
                        dwarfs[item.Key].Remove(items.Key);
                    }
                }

                if(item.Value.Count == 0)
                {
                    dwarfs.Remove(item.Key);
                }
            }

            dwarfs = dwarfs.OrderByDescending(x => x.Value.Values.Max()).ThenByDescending(x => x.Value.Values.Count).ToDictionary(a => a.Key, b => b.Value);
            ;
            foreach (var item in dwarfs)
            {
                foreach (var items in dwarfs[item.Key].OrderByDescending(x => x.Value))
                {
                    Console.WriteLine($"({item.Key}) {items.Key} <-> {items.Value}");
                }
            }
        }
    }
}