C program To find Sum Of The Given Digits of a Number

Program:

#include<stdio.h>
#include<conio.h>
void main()
{
    int n, r, s = 0 ;
    clrscr() ;
    printf("Enter a number : ") ;
    scanf("%d", &n) ;
    while(n > 0)
    {
        r = n % 10 ;
        s = s + r ;
        n = n / 10 ;
    }
    printf("\nThe sum of the digits is : %d", s) ;
    getch() ;
}

Output:

Enter a number : 12345
The sum of the digits is : 15

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