【单选题】有如下程序 #include using namespace std; void main( ) { int y=3,x=3,z=1; cout<<(++x,y++)<<" "<
【单选题】有如下程序 : #include using namespace std; class A {public: A(){cout<<"A";} ~A(){cout<<"~A";} }; class B:public A { A* p; public: B(){count<<"B";p=new A();} ~B(){cout<<"~B";delete p;} }; int main() { B ob...
【单选题】有如下程序: # include using namespace std; class Name { char name[20]; public: Name( ) { strcpy(name, ""); cout< Name(char *fname) { strcpy(name,fname); cout< }; int main( ) { Name names[3]={Name("张三"), Na...