2013微软暑期实习笔试错题、疑题整理

class A  
{  
public:  
    virtual void f()  
    {  
        cout<<"A::f()"<<endl;  
    }  
    void f() const  
    {  
        cout<<"A::f() const"<<endl;  
    }  
};  
  
class B: public A  
{  
public:  
    void f()  
    {  
        cout<<"B::f()"<<endl;  
    }  
    void f() const  
    {  
        cout<<"B::f() const"<<endl;  
    }  
};  
  
void g(const A* a)  
{  
    a->f();  
}  
  
int main()  
{  
    A* a = new B();  
    a->f();  
    g(a);  
    delete a ;  
}  

A. B::f()B::f()const    
B. B::f()A::f()const  
C. A::f()B::f()const    
D. A::f()A::f()const  

A. Search complexity when both are sorted  

B. Dynamically add/remove  

C. Random access efficiency  

D. Data storage type  

A. One application in OS must have one Process, but not a necessary to have one Thread  

B. The Process could have its own Stack but the thread only could share the Stack of its parent Process  

C. Thread must belongs to a Process  

D. Thread could change its belonging Process  

A. const int a; //const integer  

B. int const a; //const integer  

C. int const *a; //a pointer which point to const integer  

D. const int *a; //a const pointer which point to integer  

E. int const *a; // a const pointer which point to integer  

A. 9  

B. 10  

C. 32  

D. None of the above  

A. the return value of main function if program ends normally

B. return (7&1)  

C. char *str="microsoft"; return str=="microsoft"  

D. return "microsoft"=="microsoft"  

E. None of the above  

A. 18  

B. 20  

C. 40  

D. 60 

E. None of above is correct  

A. bubble sort  

B. quick sort  

C. heap sort  

D. merge sort  

E. Selection sort  

A. Models often represent data and the business logics needed to manipulate the data in the application  

B. A view is a (visual) representation of its model. It renders the model into a form suitable for interaction, typically a user interface element  

C. A controller is the link between a user and the system. It accepts input from the user and instructs the model and a view to perform actions based on that input  

D. The common practice of MVC in web applications is, the model receives GET or POST input from user and decides what to do with it, handing over to controller and which hand control to views(HTML-generating components)  

E. None of the above  

A. 12  

B. 16  

C. 20  

D. 24  

E. 28