assignment5-1-1.cpp

This is solution code c++ in class lesson.

#include<iostream>
using namespace std;
int sumDigits(long n);

int main()
{
    cout << sumDigits(456)<< endl;
    system("pause");
    return 0;
    
}
int sumDigits(long n)
{
    int sum = 0;
    while (n > 0){
          sum = sum + (n % 10);
          n = n / 10;
    }
    return sum;
}