请在mian函数中填空使下面程序的输出结果为1 1。 #include<iostream.h> class A { private: int a; int b; public: A( ):a(0) ,b(1) { } void show( ) { cout < < a < < " " < < b;} }; class B { private: int a; int c; public: B( ):a(1),c(1) { } void show( ) { cout < < a < < " " < < c;} }; class C:public A,public B { }; void main( ) { C cc; 【12】 }