How to Find the Reverse of a number

#include<stdio.h>

int main() {

int a , i , rev = 0;

printf("Enter a number : " );

scanf("%d", &a);

while (a !=0) {

i = a % 10;

rev = rev*10+ i;

a = a/10;

}

printf(" The reversed number is %d", rev);

return 0;

}

Output:

Enter a number : 1234

The reversed number is 4321

=== Code Execution Successful ===