C++ Program to Find Sum of Digits of a Number – C++ Program

C++ Program to Find the Sum of Digits of a Number – C++ Program.

Flowchart of  Sum of Digits of a Number – C++

 

C++ Source Code of Program

#include<iostream>
using namespace std;
int main()
{
	int num,i,k=9;
	int sum=0;
	cout<<"Please Enter a number:";
	cin>>num;
	i=1;
	do
	{
		sum=sum+k;
		k=k*10+9;
		i++;
	}
while(i<=num);
cout<<"The sum of series="<<sum;
}

Output

Please Enter a number: 5

The sum of series = 111105

Exercise

Find the possible mistakes in the following Shamil’s Flow Table of the Program to Find the Sum of Digits of a Number – C++ Program.