using System;

using System.Collections.Generic;

using System.Globalization;

using System.Linq;

using NUnit.Framework;

using System.Text;

​

​

​

//    _____      _ _           _                          

//   |  __ \    | (_)         | |                         

//   | |__) __ _| |_ _ __   __| |_ __ ___  _ __ ___   ___ 

//   |  ___/ _` | | | '_ \ / _` | '__/ _ \| '_ ` _ \ / _ \

//   | |  | (_| | | | | | | (_| | | | (_) | | | | | |  __/

//   |_|   \__,_|_|_|_| |_|\__,_|_|  \___/|_| |_| |_|\___|

//                                                        

// 

//

// A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward or forward.

//

public class Program

{

    public static void Main()

    {

                string[] array = { "civic", "aabb", "deified", "p2P", "microsoft", "deleveled", null,

                            "level", "madam", "raceCar", "Net", "repaper",

                            "A", "", "reviver", "rotator", "MadamImAdam", "*$$*",

                            "sagas", "xyz", "Palindrome", "tacoCat", "stats"

                            };

        Console.WriteLine($"array 4={array[4]}");

        // Write code to loop through the provided list of words and determine which ones

        // are palindromes.  

        foreach(string word in array)

        {

            if(word != null)

            {

                //if palendrome then Write

                bool isPalendrome = true;

                if(word.Length > 1)

                {

                    for (int i = 0; i < word.Length / 2 + 1; i++)

                    {

                        string first = word[i].ToString();

                        string last = word[word.Length - 1 - i].ToString();

                        if(first.ToLower() != last.ToLower())

                        {

                            isPalendrome = false;

                        }

​

                        //Console.WriteLine(string.Format("First: {0} - Last: {1}", first, last));

                    }

                }

                if(isPalendrome)

                {

                    Console.WriteLine(word);

                }

​

                //Console.WriteLine();

                //Console.WriteLine();

            }

        }

    }

​

}

public class A

{

}