下列程序的运行结果是includeclass A{int a;public: A(){a=0;}A(int aa){ a=aa; co 下列程序的运行结果是 #include<isotream.h> class A { int a; public: A(){a=0;} A(int aa) { a=aa; cout<<a++; } }; void main() { A x,y(2),z(3); cout<<end1; }A.0B.23C.34D.25

下列程序的运行结果是includeclass A{int a;public: A(){a=0;}A(int aa){ a=aa; co

下列程序的运行结果是 #include<isotream.h> class A { int a; public: A(){a=0;} A(int aa) { a=aa; cout<<a++; } }; void main() { A x,y(2),z(3); cout<<end1; }

A.0

B.23

C.34

D.25


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