Cool

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

namespace Foci
{
    class Program
    {
        static void Main(string[] args)
        {
            StreamReader reader = new StreamReader("./meccs.txt");

            List<Game> games = new List<Game>();

            //no need for the first line
            reader.ReadLine();

            //read the rest
            //1. feladat
            while(!reader.EndOfStream)
            {
                string line = reader.ReadLine();
                Console.WriteLine(line);
                games.Add(new Game(line));
            }

            Console.WriteLine("----------------------------------");
            Console.WriteLine("2. feladat:");
            Console.WriteLine("Félidő: ");
            int f = int.Parse(Console.ReadLine());

            Console.WriteLine("Meccsek: ");
            var a = from i in games
                    where i.fordulo == f
                    select i.player1 + "-" + i.player2 + ": " + i.player1Score + "-" + i.player2Score + " (" + i.player1HalfTimeScore + "-" + i.player2HalfTimeScore + ")";
            foreach (var i in a)
                Console.WriteLine(i);

            Console.WriteLine("----------------------------------");
            Console.WriteLine("3. feladat:");

            a = from i in games
                where (i.player1HalfTimeScore < i.player2HalfTimeScore &&
                        i.player1Score > i.player2Score) ||
                       (i.player1HalfTimeScore > i.player2HalfTimeScore &&
                        i.player1Score < i.player2Score)
                select i.fordulo + " - " + (i.player1Score > i.player2Score ? i.player1:i.player2);
            foreach (var i in a)
                Console.WriteLine(i);

            Console.WriteLine("----------------------------------");
            Console.WriteLine("4. feladat:");
            Console.WriteLine("Csapat név: ");

            string group = Console.ReadLine();

            Console.WriteLine("----------------------------------");
            Console.WriteLine("5. feladat:");

            var teamgames = (from i in games
                             where i.player1 == @group || i.player2 == @group
                             select i);

            int ScoresMade = teamgames.Sum(i => (i.player1 == group ? i.player1Score : i.player2Score));
            int ScoresGot = teamgames.Sum(i => (i.player1 == group ? i.player2Score : i.player1Score));


            Console.WriteLine("lőtt: " + ScoresMade + "kapott: " + ScoresGot);

            Console.WriteLine("----------------------------------");
            Console.WriteLine("6. feladat:");

            var firstgame = (from i in games
                             where i.player1 == @group
                             select i).FirstOrDefault();

            Console.WriteLine(firstgame == null ? "A csapat otthon veretlen maradt." : "Forduló: " + firstgame.fordulo + " Csapat: " + firstgame.player2);

            Console.WriteLine("----------------------------------");
            Console.WriteLine("7. feladat:");

            List<int> res = new List<int>();

            for (int i = 0; i < 20; i++)
            {
                var subres = (from item in games
                           where (item.player1Score > item.player2Score ? item.player1Score : item.player2Score) == i
                           select ((item.player1Score > item.player2Score ? item.player1Score : item.player2Score) , (item.player1Score < item.player2Score ? item.player1Score : item.player2Score))).ToList();
                foreach (var item in subres)
                {
                    //res[i] = item.Item1
                }
            }



            Console.ReadLine();
            //Console.WriteLine("Hello World!");
        }

        class Game
        {
            public int fordulo;
            public int player1Score;
            public int player1HalfTimeScore;
            public int player2Score;
            public int player2HalfTimeScore;

            public string player1;
            public string player2;

            public Game(string line)
            {
                var a = line.Split(' ');
                fordulo = int.Parse(a[0]);
                player1Score = int.Parse(a[1]);
                player2Score = int.Parse(a[2]);
                player1HalfTimeScore = int.Parse(a[3]);
                player2HalfTimeScore = int.Parse(a[4]);

                player1 = a[5];
                player2 = a[6];
            }
        }
    }
}