Question

Write a C++ program and flowchart to calculate sum of digits of a number.

Answer 1

#include<iostream>
 
using namespace std;
int sum(int number){
    int sum = 0.0;
    while(number != 0){
        sum = sum+ number % 10;
        number = number /10;
    }
    return sum;
}
//Testing code
int main(){
    int n;
    cout<<"Enter int N:  ";
    cin>>n;
    cout<<sum(n)<<endl;

}