C# Program for Palindrome - c# - c# tutorial - c# net

How to write palindrome Program in C# ?

  • A palindrome number is a number that is same after reverse.
  • For example - 121, 34543, 343, 131, 48984 are the palindrome numbers.
 palindrome program in c#

Palindrome number algorithm

  • Get the number from user
  • Hold the number in temporary variable
  • Reverse the number
  • Compare the temporary number with reversed number
  • If both numbers are same, print palindrome number
  • Else print not palindrome number
  • Let's see the palindrome program in C#. In this program, we will get an input from the user and check whether number is palindrome or not.


class Program  
        static void Main(string[] args)  
            string s,revs="";  
            Console.WriteLine(" Enter string");  
            s = Console.ReadLine();  
            for (int i = s.Length-1; i >=0; i--) //String Reverse  
                revs += s[i].ToString();  
            if (revs == s) // Checking whether string is palindrome or not  
                Console.WriteLine("String is Palindrome \n Entered String Was {0} and reverse string is {1}", s, revs);  
                Console.WriteLine("String is not Palindrome \n Entered String Was {0} and reverse string is {1}", s, revs);  

C# Sample Code - C# Examples:

using System;  
public class PalindromeExample  
public static void Main(string[] args)  
int n,r,sum=0,temp;    
Console.Write("Enter the Number: ");   
n = int.Parse(Console.ReadLine());  
Console.Write("Number is Palindrome.");      
Console.Write("Number is not Palindrome");     

C# examples - Output :

Enter the Number=121   
Number is Palindrome.
Enter the number=113  
Number is not Palindrome.

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