1. WAP to print the sum and product of digits of an integer.

 #include <stdio.h>

int main()

{

    int n;

    int dig, sum,pro;

     

    printf("\nEnter an integer number :");

    scanf("%d",&n);

  

    /*Calculating Sum and Product*/

    sum=0;

    pro=1;

     

    while(n>0)

    {

        dig=n%10; /*get digit*/

        sum+=dig;

        pro*=dig;

        n=n/10;

    }

     

    printf("\nSUM of all Digits is : %d",sum);

    printf("\nPRODUCT of all digits: %d",pro);

    return 0;

}