cppWhileLoopBasics

#include <iostream>

int main()
{
    int num{ 123456 };
    int sum{ 0 };
    int counter{ 5 };

    std::cout << "Start " << std::boolalpha << "counter = " << counter << " counter >=0 " << (counter >=0) << '\n';
    while (counter >= 0)
    {
        std::cout << std::boolalpha <<  "counter = " << counter << " counter >=0 " << (counter >=0) << '\n';

        sum += num % 10;
        num /= 10;

        std::cout << "sum = " << sum << " num = " << num << '\n';

        --counter;
    }

    std::cout << "Finish " << std::boolalpha << "counter = " << counter << " counter >=0 " << (counter >= 0) << '\n';

    std::cout << "sum = " << sum << '\n';

    return 0;
}