下列程序的输出结果是 【11】 。 #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 *pT3=new Test;Test *pT4=new Test;cout<<Test::Count()<<’’;delete pT4;delete pT3;cout<<Test::Count()<<end 1;return 0; }