Integer - Sum of Digits

                      Integer - Sum of Digits

The program must accept an integer value N as a command line argument and print the sum of the digits in N.

Example Input/Output 1:
Input:
14

Output:
5

Example Input/Output 2:
Input:
1932

Output:
15

Code:

#include<stdio.h>

int main(int argc,char *argv[])

{

    int n=atoi(argv[1]);

    int r,sum=0;

    while(n!=0)

    {

        r=n%10;

        sum+=r;

        n=n/10;

    }

    printf("%d",sum);

}

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