Reversing_OriginalSource

#include <Windows.h>
#include <iostream>
#include <time.h>
#include <typeinfo>

using namespace std;

class Calculator
{
private:
    int a;
    int b;

public:
    Calculator(int a, int b)
    {
        this->a = a;
        this->b = b;
    };

    int Add()
    {
        return this->a + this->b;
    }

    int Subtract()
    {
        return this->a - this->b;
    }
};

DECLSPEC_NOINLINE void PrintResult(char* message, int result)
{
    char msg[128];
    sprintf(msg, "%s: %d", message, result);
    MessageBoxA(NULL, msg, message, MB_ICONINFORMATION);
}

DECLSPEC_NOINLINE void DoIt()
{
    Calculator* calc = new Calculator(16, 4);

    int added = calc->Add();
    int subtracted = calc->Subtract();

    PrintResult("Added result", added);
    PrintResult("Subtracted result", subtracted);

    delete calc;
}

int main()
{
    DoIt();
}