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

  {

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

    {

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

      foreach (var word in wordList)

      {

        var isSumHundred = CheckIfWordSumIsHundred(word);

        //var isSumHundred = CheckIfWordSumIsHundredUsingLinq(word);

        if (isSumHundred)

        {

          resultList.Add(word);

        }

      }

      return resultList;

    }

​

    #region Normal Process

    public bool CheckIfWordSumIsHundred(string word)

    {

      int add = 0;

      word = word.ToUpper();

      foreach (char c in word)

      {

        if (!checkIfCharIsPunctionOrWhiteSpace(c))

        {

          add += c - 'A' + 1;

        }

      }

      return (add == 100) ? true : false;

    }

    #endregion

​

    #region Using Linq

    public bool CheckIfWordSumIsHundredUsingLinq(string word)

    {

      word = word.ToUpper();

      var add = word.Where(t => !char.IsWhiteSpace(t) && !char.IsPunctuation(t)).Select(t => t - 'A' + 1).Sum(t => t);

      return (add == 100) ? true : false;

    }

​

    #endregion

​

    #region Character-Validation

    public bool checkIfCharIsPunctionOrWhiteSpace(char c)

    {

      if (char.IsPunctuation(c) || char.IsWhiteSpace(c))

      {

        return true;

      }

      else

      {

        return false;

      }

    }

​

    #endregion

  }

}

​