C Practice Q_5

Answer :

#include<stdio.h>   //header file contains the function,decleraction and macro defination of key words used in code.

int main ()

{

int num,num1,sum=0;  //adressing the variables

printf("Enter the number you want  ");  //output

scanf("%d",&num);

while (num!=0)  // using while loop 

{

num1=num%10; // it will store the last number

sum=sum+num1;  //it will add it 

num=num/10; // it will remove the last digit

}

printf("The sum of the digits is %d",sum);  //output

}

Output :