OlympicsAreComing

namespace OlympicsAreComing
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text.RegularExpressions;

    public class OlympicsAreComing
    {
        public static void Main()
        {
            //key - country;    value - athletes from this country
            Dictionary<string, List<string>> myDictionary = new Dictionary<string, List<string>>();
            string input = Console.ReadLine();

            while (input != "report")
            {
                string[] inputArguments = input.Split('|');
                string athlete = inputArguments[0];
                string country = inputArguments[1];

                athlete = Regex.Replace(athlete, @"\s{2,}", " ").Trim();
                country = Regex.Replace(country, @"\s{2,}", " ").Trim();

                if (!myDictionary.ContainsKey(country))
                {
                    myDictionary.Add(country, new List<string>());
                }

                myDictionary[country].Add(athlete);

                input = Console.ReadLine();
            }

            var orderedData = myDictionary.OrderByDescending(x => x.Value.Count);

            foreach (var kvp in orderedData)
            {
                Console.WriteLine($"{kvp.Key} ({kvp.Value.Distinct().Count()} participants): {kvp.Value.Count} wins");
            }
        }
    }
}