填空题
下列程序的输出结果是______。
#include<iostream>
using namespace std;
class Test {
public:
Test() { cnt++;}
~Test() {cnt--;}
static int Count() {return cnt;}
private:
static int cnt;
};
int Test::cnt=0;
int main()
{
cout<<Test::Count()<<’’;
Test t1,t2;
Test*oT3=new Test;
Test*pT4=new Test;
cout<<Test::Count()<<’’;
delete pT4;
delete pT3;
cout<<Test::Count()<<endl;
return 0;
}
【参考答案】
042