army agon

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

  class Program
  {
   static void Main(string[] args)
   {
        // Решение с Array (ако трябваше да ползваш много място просто правиш масив с много значения - примерно new int[1000] )
        Dictionary<string, SortedDictionary<string, int[]>> dict = new Dictionary<string, SortedDictionary<string, int[]>>();
        int num = int.Parse(Console.ReadLine());

        for (int i = 0; i < num; i++)
        {
            string[] input = Console.ReadLine().Split(' ');
            string team = input[0];
            string name = input[1];
            int damage = (input[2] == "null") ? 45 : int.Parse(input[2]);
            int health = (input[3] == "null") ? 250 : int.Parse(input[3]);
            int armor = (input[4] == "null") ? 10 : int.Parse(input[4]);
            if (!dict.ContainsKey(team))
            { dict.Add(team, new SortedDictionary<string, int[]>()); }
            if (!dict[team].ContainsKey(name))
            { dict[team].Add(name, new int[3]); }
            // няма нужда от предварително почистване като с List
            dict[team][name][0] = damage;
            dict[team][name][1] = health;
            dict[team][name][2] = armor;
        }
        foreach (KeyValuePair<string, SortedDictionary<string, int[]>> team in dict)
        {
            double damageSum = 0, healthSum = 0, armorSum = 0;
            Console.Write("{0}::", team.Key);
            foreach (KeyValuePair<string, int[]> teamData in team.Value)
            {
                damageSum += teamData.Value.ElementAt(0);
                healthSum += teamData.Value.ElementAt(1); ;
                armorSum += teamData.Value.ElementAt(2); ;
            }
            Console.WriteLine("({0:F2}/{1:F2}/{2:F2})", damageSum / team.Value.Count(), healthSum / team.Value.Count(), armorSum / team.Value.Count());
            foreach (KeyValuePair<string, int[]> teamData in team.Value)
            {
                Console.WriteLine("-{0} -> damage: {1}, health: {2}, armor: {3}", teamData.Key, teamData.Value.ElementAt(0), teamData.Value.ElementAt(1), teamData.Value.ElementAt(2));
            }
        }
    } // end lines
}