下面程序的运行结果为( )。 #includeiostream.h class A { int hum; public: A(int i){nuln=i;} A(AA.{num=a.num十+;} void print{eout(hum;} }; void main A a(1),b(A.; a.print; A print;A.11B.12C.21D.22

下面程序的运行结果为( )。 #include<iostream.h> class A { int hum; public: A(int i){nuln=i;} A(A&A.{num=a.num十+;} void print{eout(<hum;} }; void main A a(1),b(A.; a.print; A print;

A.11

B.12

C.21

D.22


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