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;