执行代码cout ″Hex:″ hex 255;程序的输出结果为()。
执行代码cout <<″Hex:″<< hex << 255;程序的输出结果为()。
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请教专家,下列c++代码哪里错了?? #includeiostreamvoid main(){ int i,n,sum; cout"please input n:"endl; cinn; sum=0; for(i=1,i=n;i++); { sum+=i; } cout"运算结果为"sumendl;}
以下程序的输出结果是includeusing nameSpace std;int main(){ cout.fill('*'); cout 以下程序的输出结果是 #include<iostream> using nameSpace std; int main() { cout.fill('*'); cout.width(5); cout<<hex<<100<<end1; return 0; }A.**100B.***64C.100**D.64***
以下程序的执行结果是______。 include void main() { int x=5 y=2; cout 以下程序的执行结果是______。include<iostream.h>void main(){int x=5 y=2;cout<<! (y==x/2)<<",";cout<<(y!=x%3)<<",";cout<<(x>0 y<0=<<",";cout<<(x!=y||x>=y)<<endl;}
有如下程序:includeusing namespace std;int main(){cout.fill('*');cout.width(6);c 有如下程序: #include<iostream> using namespace std; int main() { cout.fill('*'); cout.width(6); cout.fill('#'); cout<<888<<end1; return 0; } 的执行结果是( )。A.###888B.888###C. ***888D.888***
执行如下程序将输出():includeusing namespace std;class Base{public:Base(){cout 执行如下程序将输出( ): #include<iostream> using namespace std; class Base { public: Base(){cout<<"BB";fun();} void fun (){tout<<"Brim";} }; class Derived:public Base { public: Derived(){cout<<"DD";} void fun (){cout<<"Dfun";} }; int main(){Derived d;return 0;}A.DDB.BBDfunDDDfunC.BBBfunDDD.DDBBBfun
请分析下面的程序并给出该程序的执行结果【】。 include class AA {int a;public: AA() 请分析下面的程序并给出该程序的执行结果【 】。include <iostream>class AA {int a;public:AA() {cout<<" Initializing AA!\n" ; }AAM() {cout<<" Destroying AA!\n" ;};class BB {int b;AA p;public:BB() {cout<<"Initializing BB!\n" ;~BB() {cout<<"Destroying BB!\n" ;};void main() {BB X;cout<<"Ending main!\n' ;}
执行语句: int result=100; cout= 60)(result 执行语句:int result=100;cout<<(((result>= 60)(result<=100))?"good":"general");结果是【 】。
写出下列程序代码运行的结果【】。 include class A{public:virtual void disp() {cout 写出下列程序代码运行的结果【 】。include<iostream.h>class A{public:virtual void disp() {cout<<" calss A!" <<(end1;}}:class B: public A{public:void disp() {cout<<" class B! " <<end1:}};class C: public A{public:void disp() {cout<<"class C! " (<end1;}};void main() {A a, *ptr;B b;C c;a. disp();b. disp();c. disp();ptr=b;ptr->disp();ptr=c;ptr->disp():}
以下程序执行结果是 ( )。include class Base{public virtual void fun() {cout 以下程序执行结果是 ( )。 #include <iostream.h> class Base { public virtual void fun() { cout<<"B"; } }; class Derived { public: Derived() { cout<<"D"; } virtual void fun(){ Base::fun(); cout<<"C"; } } int main () { Base *ptr; Derived obj; ptr=obj; p->fun ( ); return 0; }A.DBCB.DCBC.BDCD.CBD
以下程序的输出结果是include using namespace std;int main(){cout.fill('*');cout. 以下程序的输出结果是#include <iostream>using namespace std;int main(){ cout.fill('*'); cout.width(5); cous<<hex<<100<<end1; return 0;}A.**100B.***64C.100**D.64***
有以下程序:includeusing namespace std;int main(){int n=100;cout 有以下程序: #include<iostream> using namespace std; int main(){ int n=100; cout<<dec<<n<<","; cout<<oct<<n<<","; cout<<hex<<n<<endl; return 0; } 程序运行后输出的结果是( )。A.100,100,100B.64,144,100C.100,144,64D.100,64,144
下列程序的执行结果为______。include void main() { cout.fill(‘*’); tout.width(10 下列程序的执行结果为______。include<iostream.h>void main(){cout.fill(‘*’);tout.width(10);cout<<“hello”<<endl;)
以下程序的执行结果为______。include class A {public:A(){cout 以下程序的执行结果为______。include<iostream.h>class A{public:A(){cout<<“a”;}~A(){cout<<“b”;}};class B:public A{public:B(){cout<<“c”;)~B(){cout<<“d”;}};void main(){B b;}
在下列选项中,用于清除基数格式位设置以十六进制数输出的语句是()。A、cout<<setf(ios::dec,ios::basefield);B、cout<<setf(ios::hex,ios::basefield);C、cout<<setf(ios::oct,ios::basefield);D、cin>>setf(ios::hex,ios::basefield);
单选题IEC870-5-101FT1.2两种帧结构的启始字的规定:长度可变帧,长度固定帧()A68HEX,08HEXB68HEX,10HEXC68HEX,06HEX