using System;

using System.Collections.Generic;

using System.Linq;

​

namespace TestRegimentedRummyScoring

{

    class Program

    {

        static void Main(string[] args)

        {

            PlayerGame playerGame = new PlayerGame();

​

            playerGame.PlayerHands = new List<PlayerHand>

            {

                new PlayerHand { Round = 1, Score = 10 },

                new PlayerHand { Round = 2, Score = 20 },

                new PlayerHand { Round = 3, Score = 30 },

                new PlayerHand { Round = 4, Score = 40, Reset = true },

                new PlayerHand { Round = 5, Score = 50 },

                new PlayerHand { Round = 6, Score = 60 }

            };

​

            Console.WriteLine($"Players score was {playerGame.GetPlayerScore()}");

            Console.ReadLine();

        }

    }

​

    class PlayerHand

    {

        public int Round { get; set; }

        public int Score { get; set; }

        public bool Reset { get; set; } = false;

    }

​

    class PlayerGame

    {

        public List<PlayerHand> PlayerHands { get; set; }

​

        public PlayerGame()

        {

            PlayerHands = new List<PlayerHand> { };

        }

​

        public int GetPlayerScore()

        {

            //return PlayerHand.Sum(t => t.Score);

​

            var ResetIndex = PlayerHands.OrderBy(t => t.Round).LastOrDefault(t => t.Reset == true);

​

            if (ResetIndex != null)

            {

                return PlayerHands.Where(t => t.Round >= ResetIndex.Round).Sum(t => t.Score);

            }

            else

            {

                return PlayerHands.Sum(t => t.Score);

            }

        }

    }

}

​