Program to find the sum of digits in a number in c language.

#include<stdio.h>

#include<conio.h>

void main()

{

 int num ,rem,sum=0;

 clrscr();

 printf("enter a number =");

 scanf("%d",&num);

 while(num>0)

 {

  rem=num%10;

  sum=sum+rem;

  num=num/10;

 }

 printf("the sum of digits of number is =%d",sum);

 getch();

 }

■》Output->

enter a number =235

the sum of digits of number is =10