Sum of Digits in C++

A simple program that I wrote using C++ language as my programming language that will ask the user to give a number and then our program will add the sum of digits in a given number by our user. The code is very to understand.

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Sample Program Output

Program Listing

#include <iostream>

#include <stdlib.h>

using namespace std;

int main()

{

   int number=0, process=0, sum = 0, remainder=0;

   cout <<"\n\n";

   cout <<"\t Sum of Digits in C++ ";

   cout <<"\n\n";

   cout <<"Kindly give a number : ";

   cin >> number;

   process = number;

   while (process != 0)

   {

      remainder = (process % 10);

      sum = sum  + remainder;

      process = (process / 10);

   }

   cout <<"\n\n";

   cout <<"The total sum of digits is " << sum << ".";

   cout <<"\n\n";

   cout <<"End of Program";

   cout <<"\n\n";

   system("pause");

}