球队比赛问题

 

        public static void Main()
        {
            int[] order = new int[] { 5, 0, 4, 1, 6, 2, 3 };
            int[,] pk = new int[,]
            {
                {0, 0, 0, 3, 4, 0, 6},
                {0, 1, 1, 3, 4, 1, 1},
                {0, 1, 2, 2, 4, 5, 2},
                {3, 3, 2, 3, 3, 5, 6},
                {4, 4, 4, 3, 4, 5, 4},
                {0, 1, 5, 5, 5, 5, 5},
                {6, 1, 2, 6, 4, 5, 6},
            };

            while (order.Length > 1)
            {
                int time = order.Length / 2;
                for (int i = 0; i < time; i++)
                {
                    if (pk[order[2 * i], order[2 * i + 1]] == order[2 * i])
                        order[2 * i + 1] = -1;
                    else
                        order[2 * i] = -1;

                }
                order = order.Where(o => o > -1).ToArray<int>();

            }
            if (order.Length == 1)
                Console.WriteLine("winner is :" + order[0]);
            else
                Console.WriteLine("error");
        }