作业帮#include class A { int a; public:A(int aa=0) { a=aa; } A(){cout
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#include class A { int a; public:A(int aa=0) { a=aa; } A(){cout
#include class A { int a; public:A(int aa=0) { a=aa; } A(){cout
#include class A { int a; public:A(int aa=0) { a=aa; } A(){cout
#include
class A
{
int a;
public: A(int aa=0) { a=aa; }
~A(){cout