02. Judge

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

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

            string command;

            while ((command = Console.ReadLine()) != "no more time")
            {
                var current = command.Split(" -> ");
                string user = current[0];
                string contest = current[1];
                int points = int.Parse(current[2]);

                if (!contests.ContainsKey(contest))
                {
                    contests.Add(contest, new Dictionary<string, int>());
                }

                if (!contests[contest].ContainsKey(user))
                {
                    contests[contest].Add(user, points);
                }

                if (contests[contest][user] < points)
                {
                    contests[contest][user] = points;
                }
            }

            foreach (var contest in contests)
            {
                int index = 1;
                Console.WriteLine($"{contest.Key}: {contest.Value.Count} participants");
                foreach (var user in contest.Value.OrderByDescending(x => x.Value).ThenBy(x => x.Key))
                {
                    Console.WriteLine($"{index}. {user.Key} <::> {user.Value}");

                    if (!individualStanding.ContainsKey(user.Key))
                    {
                        individualStanding.Add(user.Key, 0);
                    }

                    individualStanding[user.Key] += user.Value;
                    index++;
                }
            }

            int position = 1;
            Console.WriteLine("Individual standings:");
            foreach (var user in individualStanding.OrderByDescending(x => x.Value).ThenBy(x => x.Key))
            {
                Console.WriteLine($"{position}. {user.Key} -> {user.Value}");
                position++;
            }
        }
    }
}