下面程序的运行结果为 #include<iostream.h> class A
问题:
下面程序的运行结果为 #include<iostream.h> class A {int num; public:A(int i){num=i;}A(A &a) { num = a.num+ +;}void print( ) {cout << num;} }; void main( 0 {A a (1),b (a) ;a.print( );b. print( ); }
A.11
B.12
C.21
D.22