更多"以下程序的输出结果是【 】。
#include<iost"的相关试题:
[填空题]以下程序的输出结果是【 】。
#include<iostream.h>
class object
{ private:
int va1;
public:
object( );
object(int i)
~object( );} ;
object::Object( )
{ va1=0;
cout < < "Default constructor for object" < < end1;}
object::object(int i)
{ va1=i
cout < < "Constructor for object" < < va1 < < end1;}
object::~object( )
{ cout < < "Destructor for object" < < va1 < < end1;}
class container { private:
object one;
object two;
int data;
public:
container( );
container(int i,int j,int k);
~container( );} ;
container::container( )
{ data=0;
cout < < "Default constructor for container" < < end1;}
container::container(int i,int j,int k):two(i),one(j)
{ data=k;
cout < < "Constructor for container" < < end1;}
container::~container( )
{ cout < < "Destructor
[单项选择]下列程序的输出结果是( )。
#include<iostream.h>
class Myclass {
public:Myclass(int i=0,intj=0)
{ x=i;
y=j;
}
void show( ) { cout < < "x=" < < x < < " " < "y=" < < y < < end1;}
void show( )const { cout < < "x=" < < " " < < "y=’’ < < y < < end1;}
privated:
int x; int y;
};
void main( )
{ Myclass my1(3,4);
const my2(7,8);
my1.show( );my2.show( );}
A. line 4
B. line 6
C. line 7
D. line 8
[填空题]以下程序的输出结果是( )。
#include
#include
#include
mian( )
{ char *p, *q, *r;
p=q=r=(char *)malloc(sizeof(char)*20);
strcpy(p,”attaboy,welcome!”);
printf(“%c%c%c/n”,p[11], q[3], r[4]);
free(p);
}
[单项选择]以下程序输出结果是( ):
#include<iostream>
using namespace std;
void add(int x,int y,int *z)
*z=y+x;
int main( )
int a,b,c;
add(8,4,&a);
add(6,a,&b);
add(a,b,&c);
cout<<a<<","<<b<<","<<c<<end1;
return 0;
A. 12, 10, 14
B. 12, 18, 30
C. 12, 6, 18
D. 12, 14, 30
[单项选择]以下程序输出的结果是()
#include<stdio.h>
#include<string.h>
main( )
charw[][10]="ABCD","EFGH","IJKL","MNOP"1,k;
for(k=1;k<3;k++) printf("%s/n",&w[k][k]);
A. ABCD
B. ABC
C. EFG
D. FGH
[简答题]以下程序输出的结果是:
#include "stdio.h"
void main( )
{
char s[]="hello/nworld";
printf("%s",s);
}
[填空题]以下程序输出的结果是【 】。
#include<iostream.h>
voidmain( )
{
inta=5,b=4,c=3,d;
d=(a>b>c);
cout<<d;
}