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有以下程序:include using namespace std;class B{private: int a,b;public: B(){} B

有以下程序: #include <iostream> using namespace std; class B { private: int a,b; public: B(){} B(int i,int j); void printb(); }; class A { B C; public: A(){} A(int i,int j); void printa(); }; A::A(int i,int j) :c(i,j) {} void A::printa() { c.printb (); } B::B(int i, int j) { a=i; b=j; } void B: :printb() { cout<<a<<", "<<b<<end1; } int main () { A m(7,8); m.printa(); return 0; } 该程序运行后的输出结果是( )。

A.5,6

B.7,8

C.8,9

D.9,10


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更多 “ 有以下程序:include using namespace std;class B{private: int a,b;public: B(){} B 有以下程序: #include <iostream> using namespace std; class B { private: int a,b; public: B(){} B(int i,int j); void printb(); }; class A { B C; public: A(){} A(int i,int j); void printa(); }; A::A(int i,int j) :c(i,j) {} void A::printa() { c.printb (); } B::B(int i, int j) { a=i; b=j; } void B: :printb() { cout<<a<<", "<<b<<end1; } int main () { A m(7,8); m.printa(); return 0; } 该程序运行后的输出结果是( )。A.5,6B.7,8C.8,9D.9,10 ” 相关考题
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