2. WAP to reverse a number.

 #include <stdio.h>

int main()

{

    int n, reverse = 0, remainder;

  printf("Enter an integer: ");

  scanf("%d", &n);

  while (n != 0) {

    remainder = n % 10;

    reverse = reverse * 10 + remainder;

    n /= 10;

  }

  printf("Reversed number = %d", reverse);

    return 0;

}