#include(iostream. h>
class A
{
int num;
public:
A.(int i){num=i;}
A.(A &a){num=a. num++;}
void print(){cout<
};
void main()
{
A. a(1),b(a);
a. print();
b.print();
A.11
B.12
C.21
D.22
[单选题]下面程序的运行结果为( )。include<iostream.h>C.lassA{public:A( ){cout<<"1";}~A( ){cout<<"2";}};C.lassB:public:A{public:B.( ){cout<<"3";}~B( ){cout<<"4";}};Voidmain( ){B.b;}A.1234B.1324C.1342D.3142
[单选题]下面程序的运行结果为#include(iostream.h>void main(){char a='3‘;switch(a){case '3‘:cout <<”3”;case '2’:cout <<”2”;break;default:cout <<”1”;}}A.32B.321C.31D.3
[主观题]下面程序的运行结果为 (10) 。#include(iostream. h>void fun(int x=0,int y=0){cout<<}void main(){fun(5);}
[单选题]下面程序的运行结果为( )。include<iostream.h>voidmain(){chara="3":switch(a){case"3":cout<<"3";case"2":cout<<"2";break;default:cout<<"1";}}A.3B.321C.31D.32
[单选题]下面程序的运行结果为( )。 #include<iostream.h> void main() { char a='3'; switch(a) { case'3': cout<<“3”: case'2': cout<<“2”; break; default:cout<<“1”: } }A.3B.321C.31D.32
[单选题]下面程序的运行结果是( )。include<iostream.h> void main{int num=1:int&ref=num; ref=ref+2:cout<<num: num=num+3: cout<<ref<<endl:}A.13B.16C.36D.33
[主观题]下列程序的执行结果为(15)。#include(iostream. h>void main(){C.out.fill(’*’);cout. width(10);cout <<”hello”<}
[单选题]下面程序输出的结果为( )。include"iostream.h"classA{public:A.(){cOUt<<"CLASSA"<<endl;}~A(){}};C.laSSB:publicA{public:B.(){cout<<"CLASSB"<<endl;}~B(){}};voidmain(){A*P;P=newB:B.*q:q=newB;}A.CLASSAB.CLASSACLASSBCLASSBCLASSBC.CLASSAD.C
[单选题]下列程序的输出结果为#include< iostream. h>int func(int n){if〔n<1)return 1;else return n+tune(n-1):return 0;}void main(){cout<<A. 0B.10C.15D.16
[单选题]下列程序的运行结果是( )。include<iostream.h>intx=5;intfun(inta){intc:c=X*a:returnC;}voidmain(){intx=3,a=4;x=x+fun(a);cout<<"x="<<x<<endl;}A.x=15B.x=17C.x=23D.x=25