using System; using System.Linq; public class Program { public static void Main() { bool result = false; result = IsPalindrome("abba"); Console.WriteLine(result); result = IsPalindrome("abbccbba"); Console.WriteLine(result); } private static bool IsPalindrome(string source) { string reverse = new string(Enumerable.Range(1, source.Length).Select(i => source[source.Length - i]).ToArray()); return reverse == source; } }