 #include <iostream>
using namespace std;
  class counter {
 public:
  counter() { v=0; }
counter operator ++(); //前置
counter operator ++(int );//后置
void print() { cout<<v<<endl; }
private:
unsigned v;
 };
counter counter::operator ++() //前置
{
v++;
return *this;
}
counter counter::operator ++(int) //后置
{
counter t;
t.v = v++;
return t;
}
void main()
{
counter c;
for(int i=0; i<8; i++)c++;
c.print();for(i=0; i<8; i++)++c;
c.print();
}
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