以下程序段共有错误()处include using namespaces std;class Sampleprivate:int n;pu 以下程序段共有错误( )处 #include <iostream> using namespaces std; class Sample private: int n; public: Sample(int i) { n=i; } void setvalue(int i) { n=i; } void display() { cout<<"n="<<n<<end1; } }; int main() { const Sample a(l0); a.setvalue(5); a.display(); return 0; }A.1B.2C.3D.4

以下程序段共有错误()处include using namespaces std;class Sampleprivate:int n;pu

以下程序段共有错误( )处 #include <iostream> using namespaces std; class Sample private: int n; public: Sample(int i) { n=i; } void setvalue(int i) { n=i; } void display() { cout<<"n="<<n<<end1; } }; int main() { const Sample a(l0); a.setvalue(5); a.display(); return 0; }

A.1

B.2

C.3

D.4


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