include<iostream.h>
void main
{
int a=3,b=0;
int*P =&a;
b=+a++;
cout<<*P<<”,”<<b<<endl;
}
A.3,4
B.4,3
C.3,4
D.4,4
[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
[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>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]?有如下程序:include(iostream.h>include<stdlib.h>classTestClass{public:intX,y;TestClass( ){x=y=0;}TestClass(inta,intb){x=a;y=b;}voiddisp( ){cout<<"x="<<x<<",y="<y<<endl;}};voidmain( ){TestClasss1(2,3)
[单选题]有如下程序:include<iostream.h>usingnamespacestd;classBase{public:B.ase(){cout<<"BB";f();}voidf(){cout<<"BF";}};classDerived:publicBase{public:D.erived(){cout<<"DD";}voidf(){eout<<"Df";}};intmain(){Derivedd;ret
[单选题]下列程序的输出结果是( )。include<iostream.h>int rain(iltl a,int B.{if(a<B.return a;else retum b;retum 0;}void main{eout<<min(1,min(2,3))<<endl;}A.0B.1C.2D.3
[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
[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”<}