Write a C program to add digits of a number

Description-Here we are using modulus operator (%) to extract individual digits of number and adding them.

Source Code:

#include <stdio.h>

int main()

{

int n, sum = 0, remainder;

printf("Enter an integer\n");

scanf("%d",&n);

while(n != 0)

{

remainder = n % 10;

sum = sum + remainder;

n = n / 10;

}

printf("Sum of digits of entered number = %d\n",sum);

return 0;

}