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In this article, you’ll learn about how to to Check Whether a Number is Palindrome or Not using C++
What is Palindrome Number?
An integer is a palindrome if the reverse of that number is equal to the original number.
#include <iostream>
using namespace std;
int main() {
int num, reversed = 0, remainder, original;
cout<<"Enter an integer: ";
cin>>num;
original = num;
// reversed integer is stored in reversed variable
while (num != 0) {
remainder = num % 10;
reversed = reversed * 10 + remainder;
num /= 10;
}
// palindrome if orignal and reversed are equal
if (original == reversed)
cout<<"Entered number is a palindrome";
else
cout<<"Entered number is not a palindrome";
return 0;
}Output
Enter an integer: 1234321
Entered number is a palindrome.Here, the user is asked to enter an integer. The number is stored in variable num.
We then assigned this number to another variable orignal. Then, the reverse of num is found and stored in reversed.
If original is equal to reversed, the number entered by the user is a palindrome.
