C Program to check a number is palindrome or not

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In this program, You will learn how to check a number is palindrome or not in c.

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Some list of palindrome numbers is : 11, 121, 111, 81218

Example: How to check a number is palindrome or not in c.

#include<stdio.h>

int main() {

  int n, num, r, rev = 0;
  printf("Enter a number:");
  scanf("%d", &n);

  num = n;
  while (n > 0) {
    r = n % 10;
    rev = rev * 10 + r;
    n = n / 10;
  }

  if (num == rev) {
    printf("Number is palindrome:%d", num);
  } else {
    printf("Number is not palindrome:%d", num);
  }

  return 0;
}

Output:

Enter a number:121                                                                                                                     
Number is palindrome:121