# include
   template
   class Tany{
   public:
       ①             ;
       void pr(){
             if(sizeof(int)==②             )
                   count<<(x>y? x:y)<             else
                   cout<<(x>y? y:x)<       }
   };
   void main( ){
        Tanydobj={12.0,88.0};
        dobj.pr( );
        Tany iobj={12,88};
        iobj.pr( );
   }
27.在下面的横线处填上适当内容，使程序完整。
   # include
   # include
   class loc{
         private:
                float x,y;
   public;
                loc(①             )
                {
                   x=x1;
                   y=y1;
                }
                float getx( ){return x;}
                float gety( ){return y;}
                ②              float dis(loc&,loc&);
   };
   float loc::dis(loc&a,loc&b)
   {
         flost dx=a.x-b.x;
         flost dy=a.y-b.y;
         return sqrt(dx*dx+dy*dy);
   }
   void main( )
   {
        loc pl(3.5,4.5),p2(5.5,6.5);
        float d=loc::dis(p1,p2);
        cout<<“The distance is”<   }
28.在下面程序中的横线处填上适当内容，使程序完整。
   # include
   class vehicle
   {
        protected:
            int size;
            int speed;
        public;
            void setSpeed(int s){speed=s;}
            ①              getSpeedLevel( ){return speed/10;}
   };
   class car:public vehicle
   {
        public:
             int getSpeedLeve( ){return speed/5;}
   };
   class truck:public vehicle
   {
        public:
             int getspeedLevel( ){return speed/15;}
   };
   int maxSpeedLevel(vehicle ②             ,vehicle ③             )
   {
        if(v1.getSpeedLevel( )>v2.getSpeedLevel( ))
             return 1;
        else
             reutrn 2;
   }
   void main()
   {
        turck t;
        car c;
        t.setSpeed(130);
        c.setSpeed(60);
        cout<   }
29.在下面横线处填上合适内容，完成类B的定义。
   # include
   class A{
          public:A( ){a=0;}
                 A(int i){a=i;}
                 void print( ){cout<          private:int a;
   };
   class B:public A{
           public:B( ){b1=b2=0}
                  B(①             ){b1=i;b2=0;}
                  B(int i,int j,int k):②             {b1=j;b2=k;}//使a的值为i
                  void print( ){A::print( );cout<                  private:int b1,b2;
   }
30.根据注释在空白处填写适当内容。
   class Location{
         private:
           int X,Y;
         public:
         void init(int initX,int initY);
         int GetX( );
         int GetY( );
   };
   void Location::init(int initX,int initY)
   {
        X=initX;
        Y=initY;
   }
   int Location::GetX( )
   {
        reutrn X;
   }
   int Location::GetY( )
   {
        reutrn Y;
   }
   # include
   void main( )
   {
        Location A1;A1.init(20,90);
        ①             //定义一个指向A1的引用rA1         ②             //用rA1在屏幕上输出对象A1的数据成员X和Y的值
   }
五、程序分析题(本大题共6小题，每小题5分，共30分)给出下面各程序的输出结果。
31.写出下面程序的输出结果：
   # include
   class FunArray{
来源:91 考试网         int  *pa;  //指向一个数组空间
         int size;  //数组元素个数
   public:
         FunArray(int a[ ],int thesize):pa(a),size(thesize){ }
         int Size( ){return size;}
         int& operator[ ](int index){return pa[index-1];}
   };
   void main( ){
         int s[ ]={3,7,2,1,5,4};
         FunArray ma(s,sizeof(s)/sizeof(int));
         ma[3]=9;
         for(int i=1;i<=ma.Size( );i++) cout<   }
32.写出下面程序的输出结果：
   # include
   template
   class Tclass{
         T x,y;
   public:
        Tclass(T a,T b):x(a){y=b;}
        Tclass(T a){y=(T)0,x=a;}
        void pr( ){
             char c;
             c=(y>=(T)0?′+′:′-′);
             cout<(T)0? y:-y)<<″i″<       }
   };
   void main( ){
         Tclassa(10.5,-5.8);
         a.pr( );
         Tclassb(10);
         b.pr( );
   }
33.写出下面程序的输出结果：
   # include
   class Test{
         private:
               static int val;
               int a;
         public;
               static int func( );
               void sfunc(Test &r);
   };
   int Test::val=200;
   int Test::func( )
   {
         return val++;
   }
   void Test::sfunc(Test &r)
   {
         r.a=125;
         cout<<″          Result3=″<   }
   void main( )
   {
         cout<<”Result1=”<         Test a;
         cout<<”Result2=”<         a.sfunc(a);
   }
34.写出下面程序的输出结果：
   # include
   class A
   {
         public;
           virtual void print( ){cout<<”This is class A printing.”<   };
   class B:public A
   {
         public:
           void print( ){ }
   };
   class C:public B
   {
         public:
           void print( ){cout<<“This is class C printing.”<   };
   void show(A&a)
   {
         a.print( );
   }
   void main( )
   {
         A a;
         B b;
         C c;
         show(a);
         show(b);
         show(c);
   }
35.写出下面程序的输出结果：
   # include
   class A{
         public:  A( ){a=0;}
                  A(int i){a=i;}
                  void Print( ){cout<                  int Geta( ){return a;}
         private:int a;
   };
   class B:public A{
         public:B( ){b=0;}
                B(int i,int j,int k);
                void Print( );
        private:int b;
                A aa;
   };
   B::B(int i,int j,int k):A(i),aa(j){b=k;}
   void B::Print( ){
           A::Print( );
           cout<   }
   void main( ){
        B bb[2];
        bb[0]=B(1,2,5);
        bb[1]=B(3,4,7);
        for(int i=0;i<2;i++)
        bb[i].Print( );
   }
36.写出下面程序的输出结果：
   # include
   class Location{
           int X,Y;
   public:
         void init(int=0,int=0);
         void valueX(int val){X=val;}
         int valueX( ){return X;}
         void valueY(int val){Y=val;}
         int valueY( ){return Y;}
   };
   void Location::init(int initX,int initY)
   {
        X=initX;
        Y=initY;
   }
   void main( )
   {
        Location A,B;
        A.init( );
        cout<        A.valueX(5);
        cout<        B.init(6,2);
        B.valueY(4);
        cout<   }