c++综合复习1参考答案.doc

分析下面程序运行结果1）#include class Bpublic:B() B(int i,int j)a=i;b=j;void printb()couta=a,b=bendl;private:int a,b;class AB c;public:A()A(int i,int j):c(i,j) void printa()c.printb();void main()A a(7,8);a.printa(); 输出结果: a=7,b=82）#include class CSample int i;public:CSample();void disp ();CSample();CSample: CSample() cout Constructor,;i=0 ;void CSample:disp()cout i=i ,;CSample: CSample( )cout Destructorendl;void main()CSample a;a.disp( ); 输出结果: Constructor,i=0,Destructor3）#includeclass Apublic:A(int i,int j) a=i;b=j;void move(int x,int y)a+=x;b+=y;void show()cout(a,b)endl;private:int a,b;class B:public Apublic:B(int i,int j,int k,int l):A(i,j),x(k),y(l) void show()coutx,yendl;void fun() move(3,5);void f1()A:show();private:int x,y;void main()A e(1,2); e.show(); B d(3,4,5,6); d.fun(); d.f1();d.B:show();输出结果：（1，2）（6，9） 5，64）#include class Apublic:A()virtual void fun1()coutA fun1endl;virtual void fun2()coutA fun2endl;void fun3()coutA fun3endl;void fun4()coutA fun4endl;class B:public Apublic:B()void fun1()coutB fun1endl;void fun2()coutB fun2endl;virtual void fun3()coutB fun3endl;void fun4()coutB fun4fun1();P-fun2();P-fun3();P-fun4(); 输出结果：B fun1B fun2A fun3A fun45)#include class Samplepublic:int n;static int m;Sample(int i)n=i;m+=i;int Sample:m=1;void main()Sample s1(2),s2(4),s3(6);cout“s1.n=”s1.n“,”“s1.m=”s1.mendl;cout“s2.n=”s2.n“,”“s2.m=”s2.mendl;cout“s3.n=”s3.n“,”“s3.m=”s3.mendl;cout“Sample:m