Palindrome Number C#

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Federico Vellani answered on January 6, 2022 Popularity 9/10 Helpfulness 3/10

answer Palindrome Number C#

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Palindrome Number C#

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public class Solution {
    public bool IsPalindrome(int x) {
        string first = x.ToString();             //turn to string (easy to reverse)
        char[] charArr = first.ToCharArray();   //the original target
        char[] reverseArr = first.ToCharArray();   

        Array.Reverse(reverseArr );                 
     
        return charArr.SequenceEqual(reverseArr); //compare two array
    }
}

Popularity 9/10 Helpfulness 3/10 Language csharp

Source: zyrastory.com

Tags: c# palindrome

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Contributed on Sep 24 2022

Federico Vellani

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palindrome number c#

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    static bool IsPalindrome(int n)
    {
        return n.ToString() == Reverse(n.ToString());
    }

    static string Reverse(string str)
    {
        return new string(str.ToCharArray().Reverse().ToArray());
    }

Popularity 10/10 Helpfulness 5/10 Language csharp

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Tags: c# c

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Contributed on Jan 06 2022

PrashantUnity

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Palindrome Number C# - better solution

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public class Solution {
    public bool IsPalindrome(int x) {
        string k = x.ToString();        
        
        for(int i=0;i<k.Length/2;i++)   
        {
            if(k[i] != k[k.Length-1-i]) 
            {
                return false;           // if any char not the same, return false
            }
        }
        return true;                    
    }
}

Popularity 6/10 Helpfulness 3/10 Language csharp

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Tags: c# palindrome solution

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Contributed on Sep 24 2022

Federico Vellani

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palindrome in c#

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using System;

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("Enter a string: ");
        string input = Console.ReadLine();

        // Remove spaces and punctuation from the input string
        string processedInput = new string(input.Where(char.IsLetterOrDigit).ToArray());

        // Convert the input string to lowercase for case-insensitive comparison
        string lowercaseInput = processedInput.ToLower();

        // Reverse the input string
        char[] charArray = lowercaseInput.ToCharArray();
        Array.Reverse(charArray);
        string reversedInput = new string(charArray);

        // Check if the input string is a palindrome
        bool isPalindrome = lowercaseInput == reversedInput;

        Console.WriteLine(isPalindrome ? "Palindrome" : "Not a palindrome");
    }
}

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Contributed on Sep 11 2023

YOU.com

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palindrome number in c#

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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());  
          temp=n;      
          while(n>0)      
          {      
           r=n%10;      
           sum=(sum*10)+r;      
           n=n/10;      
          }      
          if(temp==sum)      
           Console.Write("Number is Palindrome.");      
          else      
           Console.Write("Number is not Palindrome");     
    }  
  }

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Tags: c# palindrome palin

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Contributed on Mar 22 2023

Travinth Dayalaeaswaran

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palindrome number c#

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public class Solution {
    public IList<IList<string>> Partition(string s) {
        var result = new List<IList<string>>();
        Backtrack(s, 0, new List<string>(), result);
        return result;
    }
    // to understand below funcation check explanation part named 'How Backtrack Works '
    private void Backtrack(string s, int start, List<string> path, List<IList<string>> result) 
    {
        if (start == s.Length) {
            result.Add(new List<string>(path));
            return;
        }
        
        for (int end = start + 1; end <= s.Length; end++) {
            if (IsPalindrome(s, start, end - 1)) {
                path.Add(s.Substring(start, end - start));
                Backtrack(s, end, path, result);
                path.RemoveAt(path.Count - 1);
            }
        }
    }
    // to understand below funcation check explanation part named 'Find Palindrome String in C#'
    private bool IsPalindrome(string s, int left, int right) {
        while (left < right) {
            if (s[left] != s[right]) {
                return false;
            }
            left++;
            right--;
        }
        return true;
    }
}

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Source: interviewspreparation.com

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Contributed on May 27 2024

Adventurous Armadillo

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Palindrome Number C#

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