有如下程序: #include #include using namespace std; class XCF{ int a; public: XCF(int aa=O):a(aA){cout$amp XCF(XCF&X){a=x.a;cout$amp ~XCF(){cout$amp int Geta(){return at} }; int main(){ XCF dl(5),d2(d1); XCF半pd=new XCF(8); cout$amp Geta(); delete pd; return 0; } 运行时的输出结果是