Overloading unary operators

#include<iostream.h>
class counter
{
private:
unsigned int count;
public:
counter()  {count=0}
int get_count()  {return count;}
void operator++() {cont++;}
};
void main()
{
counter c1,c2;
cout<<"\nc1="<<c1.get_cont();
cout<<"\nc1="<<c2.get_cont();
c1++;
c2++;
++c2;
cout<<"\nc1="<<c1.get_cont();
cout<<"\nc1="<<c1.get_cont();
}
c1=0
c2=0
c1++;
c2++;
++c2;
counter operator++()
{
count++;
counter temp;
temp.count=count;
return temp;
}