OlympicsAreComing

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

namespace OlympicsAreComing
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, HashSet<string>> countries = new Dictionary<string, HashSet<string>>();
            List<string> countriesOccurences = new List<string>();
            while (true)
            {
                string line = Console.ReadLine();
                if (line.Equals("report"))
                {
                    break;
                }

                string[] tokens = line.Split('|');
                string athlete = tokens[0];
                athlete = Regex.Replace(athlete, @"\s+", " ").Trim();
                string country = tokens[1];
                country = Regex.Replace(country, @"\s+", " ").Trim();
                countriesOccurences.Add(country);
                if (!countries.ContainsKey(country))
                {
                    countries.Add(country, new HashSet<string>());
                    countries[country].Add(athlete);
                }
                else
                {
                    countries[country].Add(athlete);
                }
            }

            Dictionary<string, int[]> resultDictionary = new Dictionary<string, int[]>();
            foreach (var country in countries)
            {
                int wins = 0;
                List<string> winsList = countriesOccurences;

                for (int i = 0; i < winsList.Count; i++)
                {
                    if (winsList[i].Equals(country.Key))
                    {
                        wins++;
                    }
                }
                int[] nums =
                {
                    wins,
                    country.Value.Count
                };
                resultDictionary.Add(country.Key, nums);
            }

            foreach (var country in resultDictionary.OrderByDescending(key => key.Value[0]))
            {
                Console.WriteLine("{0} ({1} participants): {2} wins", country.Key, country.Value[1], country.Value[0]);
            }
        }
    }
}