更多"请在下列程序中的横线处填写正确的语句。 #include<iostr"的相关试题:
[填空题]请在下列程序中的横线处填写正确的语句。
#include<iostream>
using namespace std;
class Base
public:
void fun( )cout<<"Base fun"<<endl;
;
class Derivde:public Base
public:
void fun( )
______//调用基类的函数fun( )
cout<<"Derived fun"<<endl;
;
[单项选择]下列程序中横线处正确的语句是( )。
#include<iostream>
using namespace std;
class TestClass
public:
void fun( )cout<<" TestClass: : fun"<<end1;
;
class TestClass1 :public TestClass
void fun( )
______//,显示调用基类的函数fun( )
cout<<" TestClassl::fun"<<end1;
;
A. fun();
B. TestClass.fun();
C. TestClass::fun();
D. TestClass->fun();
[填空题]请在下列程序的横线处填写正确的语句。
#include<iostream>
using namespace std;
class Base
public:
void fun( )cout<<"Base fun"<<endl;
;
class Derivde:public Base
public:
void fun( )
______∥ 调用基类的函数fun( )
cout<<"Derived fun"<<endl;
;
[填空题]在下面横线上填写适当的语句,完成程序。
#include<iostream>
using namespace std;
class Base
int x;
public:
Base(int i)x=i;
~Base( )
;
class Derived:public Base
public:
______//完成类Derive构造函数的定义
;
int main( )
Derived Obj;
return 0;
在横线处应填入的语句是______。
[单项选择]以下程序的输出结果是 ( )。
#include <iostream>
using namespace std;
int f(int b[],int m, int n)
int i,s = O;
for(i = m;i<n;i+=2)
s+=b [i];
return s;
int main ( )
int x a[] = 1,2,3,4,5,6,7,8,9;
x = f(a,3,7);
cout<<x<<end1;
return 0;
A. 10
B. 18
C. 8
D. 15
[填空题]下列程序的输出结果是 【14】
#include<iOStream>
using namespace std;
template <typename T>
T total (T*datA)
{
T s=0;
while(*datA)
{
s+=*data++;
}
return s;
}
int main( )
{
int x[]={2,4,6,8,0,12,14,16,18};
cout<<total(x)<<end1;
return 0;
}
[单项选择]下列程序的输出结果是( )。
#include<iostream>
using namespace std;
class TestClass
static int i;
public:
TestClass( )i++;
~TestClass( )i--;
static int getVal( )retum i;
;
int TestClass∷i=0;
void fun( )TestClass ob2;cout<<ob2.getVal( );
int main( )
TestClass obi;
fun( );
TestClass*ob3=new TestClass;cout<<ob3->getVal( );
delete ob3;cout<<TestClass∷getVal( );
retum 0;
A. 111
B. 121
C. 211
D. 221
[填空题]以下程序的执行结果是 【14】 。
#include<iostream>
using namespace std;
class base
{
public:
virmal void who( ){cout<<"Base Class"<<endl;)
};
class Derivedl:public Base
{
public:
virtual void who( ){cout<<"Derivedl Class"<<endl;}
};
class derived2:public Base
{
public:
virtual void who( ){cout<<"Derived2 Class"<<endl;)
};
int main(int argc,char*argv[])
{
base obj1,*P;
deliVedl obj2;
derived2 obj3;
p=&obj1; p->who( );
p=&obj2; p->who( );
p=&obj3; p->who( );
return 0;
}
[填空题]下面程序的输出结果是 【8】 。
#include <iostream>
using namespace std;
int d=1;
fun(int p){
static int d = 5;
d+ =p;
cout<<d;
return (d) ;
}
void main ( ) {
int a =3;
cout<<fun ( a + fun (d) )<<endl;
}
[填空题]下面程序的输出结果是 【15】 。
#include<iostream>
using namespace std;
class base
{
protected:
int a;
public:
base( ){cout<<"0":}
};
class base1:virtual public base
{
public:
base1( ){cout<<"1";}
};
class base2:virtual public base
{
public
base2( ){cout<<"2";
};
class derived:public base1,public base2
{
public:
derived( ){cout<<"3";}
}
int main( )
{
derived obj;
cout<<end1;
return 0;
}
[填空题]下列程序的输出结果是 【10】 。
#include<iostream>
using nameSpace std;
int main( )
{
int data=1;
int &r=data;
data+=5;
r+=5;
cout<<data<<end1;
return 0;
}
[填空题]下面程序的运行结果是 【9】 。
#include <iostream>
using namespace std;
void fun(int &a, int b=3)
{
static int i=2;
a = a + b + i;
i = i + a;
}
int main( )
{
int x=5, y=2;
fun(x, y);
cout<<x<<",";
fun(x);
cout<<x<<end1;
return 0;
}
[填空题]下列程序的输出结果是 【11】 。
#inClude<iostream>
using namespace std;
class Test {
public:
Test( ) {cnt++;}
~Test( ){cnt--;}
static int Count( ) {return cnt;}
private:
static int cnt;
};
int Test::cnt=0;
int main( )
{
cout<<Test::Count( )<<”;
Test t1,t2;
Test*pT3=new Test;
Test*pT4=new Test;
cout<<Test::Count( )<<’’;
delete pT4;
delete pT3;
cout<<Test::Count( )<<endl;
return 0;
}