单选题 有如下程序：
#include＜iostream＞
using namespace std;
class MyClass{
public:
MyClass(){++count;}
～MyClass(){--count;}
static int getCount(){return count;}
private:
static int count;
int MyClass::count=0;
int main(){
MyClass obj;
cout＜＜obj.getCount();
MyClass *ptr=new MyClass;
cout＜＜MyClass::getCount();
delete ptr;
cout＜＜MyClass::getCount();
return 0;
}
程序的输出结果是______。