palindrome.cpp

/*
    Name: palindrome.cpp
    Copyright:
    Author: Mr.Kindle
    Date: 30-11-22 14:59
    Description: This code checks whether a number is palindrome or not.
*/


#include<iostream>
#include<math.h>
using namespace std;

void isPalindrome(int );
int main()
{
    int num;
    cout << "Enter the number:\n";
    cin >> num;
    isPalindrome(num);

return 0;
}//main

void isPalindrome(int num)
    {
        int k,count=0;
        int rem, sum = 0;
        k = num;

       /*Counting total number of digits in the given number*/
        do
            {
                count++;
                k = k/10;
            }
            while(k);// while (num != 0)
        /*K = 0 now hence reassign the value of num to k*/
            k = num;
        /*Reversing the number*/
        while(k)//or while(k!=0)
            {
                rem = k%10;
                sum = sum + rem * pow(10, count - 1);
                k /=10; //shortening the number by one digit
                count--; //to decrease the power of 10 by 1 in the next loop
            }

        if(num == sum)
            printf("\n\nIt is a palindrome ");
        else
            printf("\n\nIt is not a palindrome: ");
    }