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若有如下程序:includeusing namespaces std;int s=0;class sample{ static int n;pub

若有如下程序: #include<iostream> using namespaces std; int s=0; class sample { static int n; public: sample(int i) { n=i; } static void add() { s+=n; } ); int sample::s=0; int main() { sample a(2),b(5); sample::add(); cout<<s<<endl; return 0; } 程序运行后的输出结果是

A.2

B.5

C.7

D.3


参考答案

更多 “ 若有如下程序:includeusing namespaces std;int s=0;class sample{ static int n;pub 若有如下程序: #include<iostream> using namespaces std; int s=0; class sample { static int n; public: sample(int i) { n=i; } static void add() { s+=n; } ); int sample::s=0; int main() { sample a(2),b(5); sample::add(); cout<<s<<endl; return 0; } 程序运行后的输出结果是A.2B.5C.7D.3 ” 相关考题
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