-
-
-
-
-
-
-
-
7[完成题]
在下面程序横线处填上适当的字句，使其输出结果为0，56，56。＃include <iostream.h>class base{ public: 在下面程序横线处填上适当的字句，使其输出结果为0，56，56。＃include <iostream.h>class base{ public: _________func( ){return 0;}};class derived:public base{ public: int a,b,c; _________ setValue(int x,int y,int z){a=x;b=y;c=z;} int func( ){return(a b)*c;}};void main(){ base b; derived d; cout<<b.func( )<<′,′; d.setValue(3,5,7); cout<<d.func( )<<′,′; base& pb=d; cout<<pb.func( )<<end1;}func( ){return 0;}};class derived:public base{ public: int a,b,c; _________ setValue(int x,int y,int z){a=x;b=y;c=z;} int func( ){return(a b)*c;}};void main(){ base b; derived d; cout<<b.func( )<<′,′; d.setValue(3,5,7); cout<<d.func( )<<′,′; base& pb=d; cout<<pb.func( )<<end1;}
-
-
