Check Palindrome in C++

#include <iostream>

using namespace std;

class PalindromeExample 
{ 
    // Access specifier 
    public: 
    void checkPalindrome(int num) {

        int originalNumber = num;

	    int remainder, reverseNumber = 0;
    	int temp = originalNumber;

	    while (temp > 0) {
        	remainder = temp % 10;
	        reverseNumber = (reverseNumber * 10) + remainder;
	        temp = temp / 10;
	    }

	    if (originalNumber == reverseNumber) {
        	cout << "The given number is Palindrome" << endl;
	    } else {
        	cout << "The given number is NOT a Palindrome" << endl;
	    }
    }
};

int main(int argc, const char * argv[]) 
{ 

	// Declare an object of class geeks 
    PalindromeExample obj; 
	obj.checkPalindrome(12321);  	

	return 0;
}

#include <iostream>
#include <string.h>
#include <stdbool.h>

using namespace std;

class PalindromeExample 
{ 
    // Access specifier 
    public: 
    void checkPalindrome(string str) {

        string originalString = str;

        string reverseString = "";

        int length = originalString.length();

        bool result = true;

        for(int i = length - 1; i >= 0; i --) {

            // Case in-sensitive comparision
            // If any one of the char is not equal, assign false to the result flag
            if(tolower(originalString[i]) != tolower(originalString[length - 1 - i])) {
                result = false;
            }
        }

        if (result == true) {
            cout << "The given string is Palindrome" << endl;
        } else {
            cout << "The given string is NOT a Palindrome" << endl;
        }
    }
};

int main(int argc, const char * argv[]) 
{
	// Declare an object of class geeks 
    PalindromeExample obj; 
	obj.checkPalindrome("Madam");  	

	return 0;
}