Protected Access

#include <iostream>
using namespace std;

class BaseDevice {
protected:
      int var{0};
      // your code here: declare protected int id

};

class DerivedDevice : public BaseDevice {
public:

      // your code here: implement setId() and printId()
      void setId(int x)
      {
            this->var = x;
      }

      void printId(void)
      {
            cout<<"Device ID: "<<this->var<<endl;
      }

};

int main() {
   DerivedDevice d;
   d.setId(101);
   d.printId();
   return 0;
}