Increment a Counter

#include<iostream>
using namespace std;
class DeviceCounter
{
private:
   int count;   
public:
   DeviceCounter(int m): count(m)
   {

   }
   DeviceCounter():count(0)
   {
      
   }
   int getCounterValue() const
   {
      return count;
   }

   int operator++()
   {
      return ++count;
   }
};
int main()
{
   int n;
   cin>>n;
   DeviceCounter counter;

   for(int i=0;i<n;i++)
   {
      ++counter;
   }

   cout<<"Final count="<<counter.getCounterValue();
}