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有以下程序:include using namespace std;class sample{private: int x; static int

有以下程序:#include <iostream>using namespace std;class sample{private: int x; static int y;public: sample(int a); static void print(sample s);};sample:: sample(int a){ x=a; y+=x;}void sample:: print(sample s){ cout<<"x="<<s. x<<",y="<<y<<end1;}int sample:: y=0;int main(){ sample s1(10); sample s2(20); sample:: print(s2); return 0;}程序运行后的输出结果是( )。

A.x=10,y=20

B.x=20,y=30

C.x=30,y=20

D.x=30,y=30


参考答案

更多 “ 有以下程序:include using namespace std;class sample{private: int x; static int 有以下程序:#include <iostream>using namespace std;class sample{private: int x; static int y;public: sample(int a); static void print(sample s);};sample:: sample(int a){ x=a; y+=x;}void sample:: print(sample s){ cout<<"x="<<s. x<<",y="<<y<<end1;}int sample:: y=0;int main(){ sample s1(10); sample s2(20); sample:: print(s2); return 0;}程序运行后的输出结果是( )。A.x=10,y=20B.x=20,y=30C.x=30,y=20D.x=30,y=30 ” 相关考题
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