填空题

下列程序的运行结果是______。 #include<iostream.h> class Base { public: void f(int x){cout<<“Base:”<<x<<endl;} ); class Derived:public Base { public: void f(char*str){cout<<“Derived:”<<str<<endl;} }; void main(void) { Base*pd=new Base; pd=new Derived; pd->f(‘a’); }

【参考答案】

Base:97。