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

下面程序的运行结果为 include class A {int num; public: A(int) {num=i;} A(A &a

下面程序的运行结果为

#include<iostream.h>

class A

{

int num;

public:

A(int) {num=i;}

A(A & a) {hum=a. num++;}

void print( ) {cout < < num;}

};

void main( )

{

A a(1) ,b(a) ;

a. print( ) ;

b. print( ) ;

}

A.11

B.12

C.21

D.22


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