Palindrome in C language

/* C Program to verify given no. is Palindrome or not */

#include<stdio.h>

int main()

{  

int n,r,m,sum=0;    

printf("Enter a no:");  scanf("%d",&n);    m=n;  

while(n>0)

 {

    r=n%10;                        sum=sum*10+r;  

    n=n/10;

 }

  if(sum==m)     printf("Palindrome");

    else

 printf("Not palindrome");

  return 0;

}

 

INPUT/OUTPUT:

Enter a no:123

Not Palindrom