using System;

using System.Collections.Generic;

using System.Linq;

​

namespace DimensionalTest

{

    public class Program

    {

        public static void Main(string[] args)

        {

            var dollarWords = new DollarWords();

            var wordList = new[]{"job", "Practice", "ironized", "non-stop"};

            var results = dollarWords.GetResults(wordList);

            foreach (var result in results)

            {

                Console.WriteLine(result);

            }

​

            Console.ReadLine();

        }

    }

​

    public class DollarWords

    {

        LetterScoreAlgorithm algo; 

        public DollarWords ()

        {

            algo = new LetterScoreAlgorithm();

        }

        public IEnumerable<string> GetResults(IEnumerable<string> wordList)

        {

            List<string> rtn = new List<string>();

            foreach (var word in wordList)

            {

                if (getWordScore(word) == 100)

                {

                    rtn.Add(word);

                }

            }

​

            return rtn;

        }

​

        private int getWordScore(string word)

        {

            return (

                from x in word

                select algo.getLetterScore(x)).Sum();

        }

​

​

    }

    public class LetterScoreAlgorithm

    {

        public int getLetterScore(Char letter)

        {

            return(isValidLetter(letter) ? Char.ToUpper(letter) - (int)'A' + 1 : 0);

        }

​

        private bool isValidLetter(Char letter)

        {

            return (letter >= 'A' && letter <= 'z');

        }

    }

}