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题目内容 (请给出正确答案)
有如下程序:includeusing namespace std;class Base{int x;public:Base(int n=0):x(n

有如下程序: #include<iostream> using namespace std; class Base{ int x; public: Base(int n=0):x(n){cout<<n;} int getX( )const{return x;} }; class Derived:public Base{ int y; public: Derived(int m,int n):y(m),Base(n){tout<<m;} Derived(int m):y(m){cout<<m;} }; int main( ){ Derived dl(3),d2(5,7); return 0; } 程序的输出结果是

A.375

B.357

C.0375

D.0357


参考答案

更多 “ 有如下程序:includeusing namespace std;class Base{int x;public:Base(int n=0):x(n 有如下程序: #include<iostream> using namespace std; class Base{ int x; public: Base(int n=0):x(n){cout<<n;} int getX( )const{return x;} }; class Derived:public Base{ int y; public: Derived(int m,int n):y(m),Base(n){tout<<m;} Derived(int m):y(m){cout<<m;} }; int main( ){ Derived dl(3),d2(5,7); return 0; } 程序的输出结果是A.375B.357C.0375D.0357 ” 相关考题
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考题 若有以下程序:include using namespace std;class Base {public:Base() { x=0; } int 若有以下程序: #include <iostream> using namespace std; class Base { public: Base() { x=0; } int x; }; class Derivedl: virtual public Base { public: Derivedl() { x=10; } }; class Derived2: virtual public Base { public: Derived2() ( x=20; } }; class Derived: public Derivedl,protected Derived2 { }; int main() { Derived obj; cout<<obj.x<<end1; return 0; } 该程序运行后的输出结果是A.20B.30C.10D.0

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