A.x=2,y=2
B.x=2,y=3
C.x=3,y=2
D.x=3,y=3
[单选题]下列程序的输出结果为( )。include<iostream.h) int fune(int n){if(n<1)return l;else return n+time(n一1); return 0;}void main {cout<<func(5)<<endl;}A.0B.10C.15D.16
[单选题]下列程序的输出结果为( )。 #include<iostream.h) class TestClass { public: TestClass(){val++;} static,int val; }; int TestClass::val=0; void main() { TestClass cs1; cout<<csl.val<<““; TestClass cs2; TestClass cs3,cs4; coA.03B.13C.14D.24
[单选题]下面程序的执行结果是( )。 #include”iostream.h” void main() {int*p,r; p=new in; *p=20; r=sizeof(*p); cout<<r<<endl delete p;}A.程序错误B.内存为20地址的大小C.20D.4
[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
[单选题]下列程序的执行结果为( )。include<iostream.h>void main{int a=3,b=0;int*P =&a;b=+a++;cout<<*P<<”,”<<b<<endl;}A.3,4B.4,3C.3,4D.4,4
[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]若有如下语句 #include<iostream.h) void main() int x=3; do{ X=X-2; cout<<x; }while(!(--x)); } 则上面程序段( )。A.输出的是1B.输出的是1和-2C.输出的是3和0D.是死循环
[单选题]下面程序的运行结果为( )。 #include(iostream.h) Class A { public:A(){cout<<“1”;} ~A(){cout<<“2”;} }; Class B:public:A { public: B(){cout<<“3”;) ~B(){cout<<“4”;} }; Void main() { B b; }A.1234B.1324C.1342D.3142
[单选题]下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}A.CLASS A CLASS BB.CLASS A CLASS B CLASS BC.CLASS A ClAS