更多"下列程序的输出结果是_【10】__。
#include
u"的相关试题:
[单项选择]如下程序的输出结果是
#include<iostream>
using namespace std;
class MyClass
public:
MyClass(int i=0)cout<<1;
MyClass(const MyClass&x)cout<<2;
;
int main( )
MyClass objl(1),obj2(2),ohj3(objl);
return 0;
A. 112
B. 111
C. 121
D. 113
[单项选择]如下程序的输出结果是 #include<iostream> using namespace std; class A{ public: virtual void f( ){tout<<1;} void g( ){cout<<2;} }; class B:public A{ public: virtual void f( ){cout<<3;} void g( ){cout<<4;} }; void show(A&A) {a.f( );a.g( );} int nlain( ){ B b; show(B) ; return 0; }
A. 12
B. 34
C. 14
D. 32
[单项选择]下列程序的输出结果是
#include"iostream"
using namespace std;
int Max(int a,int b)
{
if(a>b)
return a;
else
return b;
}
void main( )
{
int m,n;
m=10,n=5;
int max=Max(m,n);
cout<<max<<endl;
}
A. 10
B. 程序有误
C. 1
D. 0
[单项选择]如下程序运行时的输出结果是 #include<iostream> using namespace std; class ONE{ int c; public: ONE( ):c(0){eout<<1;} ONE(int n):C(n){cout<<2;} }; class TW0{ ONE onel; ONE one2; public: TWO(int m):one2(m){eout<<3;} }; int main( ){ TWO t(4); return 0; }
A. 3
B. 23
C. 123
D. 213
[单项选择]下列程序的输出结果是() #inClUde<iostream> using namespace std; intmain( ) { Char a[]="HellO,World"; Char*ptr=a; while(*ptr) { if(*ptr>=’a’&& *ptr <=’Z’) cout<<char(*ptr+’A’ -’a’); else cout<<*ptr; ptr++; } retur0; }
A. HELLO,WORLD
B. Hello,world
C. hELLO,wORLD
D. hellO,world
[单项选择]下面程序的输出结果是()。
#include<iostream>
using namespace std;
template<class T>
T max(T x,T y)
return(x>=y x:y);
void main( )
cout<<max(5,8)<<endl;
cout<<max("zhangsan","lisi");
A. 8
B. 8
C. 5
D. 5
[单项选择]下列程序的输出结果是()。
#include<iostream>
using namespace std;
void fun(int &r)
r*=2;
int main( )
int n=50;
fun(n);
cout<<n<<end1;
return 0;
A. 0
B. 20
C. 50
D. 100
[简答题]
给出下面程序的输出结果
#include < iostream >
using namespace std;
template < class T >
T F(T x)
{
return x > 5;
}
void main( )
{
int a = 15;
cout << F(a) << " /n";
double b = - 5.8976;
cout << F(b) << " /n";
cout << F(5) <<" /n";
}
[简答题]
给出下面程序的输出结果
#include < iostream >
using namespace std;
class A
{
private: int X, Y;
public : A ( int myx, int myy) { X = myx; Y = myy ;}
void show ( ) { cout << "X =" << X << " Y = " << Y << endl;}
};
class B : public A
{
private : int H, W;
public: B ( int myx, int myy, int myh, int myw) : A ( myx, myy) [ H = myh ; W = myw;}
void show ( ) { cout << "H = " << H << " ; W = " << W << endl; }
};
void main( )
{
B d(1,2,3,4) ;
d. show ( ) ;
}
[简答题]有如下程序
#include
#include
using namespace std;
class MyClass{
public:
MyClass( ){cout<<’A”;}
MyClass(char c {cout<A. A.ABX
B.ABXB
C.AXB
D.AXBB
[单项选择]有如下程序:
#include
#include
using namespace std;
int main( ){
cout<A. ##OK123
B. ##OK#123
C. OK##123
D. OK##123#
[填空题]下列程序输出结果为:
#include<iostream>
using namespace std;
class TestClass1
public:
TestClass1( )
TestClass1(int i)
x1=i;
void dispa( )
cout<<"x1="<<x1<<",";
private:
int x1;
;
class TestClass2:public TestClass1
public:
TestClass2( )
TestClass2(int i):TestClass1(i+10)
x2=i;
void dispb( )
dispa( );
cout<<"x2="<<x2<<endl;
private:
int x2;
;
int main( )
TestClass2 b(2);
b.dispb( );
return 0;