delivery_man.hpp

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#include <cstddef>
#include <iostream>

#ifndef __DELIVERY_MAN
#define __DELIVERY_MAN

class DeliveryMan
{
public:

    void DeliverPackage(std::size_t distance)
    {
        // Waste some clock cycles here.
        std::size_t largeNumber = 10000u * distance / _speed;
        volatile std::size_t targetNumber;

        while (largeNumber--)
        {
            targetNumber = largeNumber;
        }
    }



    DeliveryMan(std::size_t speed)
        :   _speed(speed)
    {

    }
private:
    std::size_t _speed; 
};
#endif