下列程序运行结果是 。 class CTest { private: static int count; public: CTest(){++count;} ~CTest(){cout＜＜--count＜＜"object exist\n";} static int getcount(){return count;} }; ctest::count="0;" void main() {＞ ＜＜"object exist\n"; ctest test1; *ptest2; ptest2="new" ctest;＞ getCount()＜＜"object exist\n"; delete ptest2;＞ ＜＜"object exist\n"; }＞