Is Palindrome
using System; using System.Text; public class MainClass { public static bool IsPalindrome(string s) { int iLength, iHalfLen; iLength = s.Length - 1; iHalfLen = iLength / 2; for (int i = 0; i <= iHalfLen; i++) { if (s.Substring(i, 1) != s.Substring(iLength - i, 1)) { return false; } } return true; } static void Main(string[] args) { string[] sa = new string[]{"level", "minim", "radar"}; foreach (string v in sa) Console.WriteLine("{0}\t{1}",v, IsPalindrome(v)); } }