C program to add the digits of a number

C program to add the digits of a number

Output:

Enter the number to get its digit sum:
123
The digit sum of 123 is 6

Implementation:

#include <stdio.h> int main(void) { int n,sum=0,cpy; printf("Enter the number to get its digit sum:\n"); scanf("%d",&n); cpy=n; while(n) { sum+=(n%10); n/=10; } printf("The digit sum of %d is %d",cpy,sum); return 0; }