#include <iostream> using namespace std; class D { int d; public: explicit D(int x=1) : d(x) {} ~D() { cout<<"D";} }; int main(){ D d[]={_____________}; D* p=new D[2]; delete[]p; return 0; }程序运行的结果是DDDDD,请为横线处选择合适的程序()
#include <iostream> using namespace std; class D { int d; public: explicit D(int x=1) : d(x) {} ~D() { cout<<"D";} }; int main(){ D d[]={_____________}; D* p=new D[2]; delete[]p; return 0; }程序运行的结果是DDDDD,请为横线处选择合适的程序()
3,3,3
D(3), D(3), D(3)
3,3,3,3
D(3,3),D(3,3)