更多"下列程序的执行结果为 #include<iostream.h> v"的相关试题:
[单项选择]执行下列程序段,结果是
#include
void main( )
int x=40;
char y='C';
int n;
n=(x&0xff)&&c(y> 'B');
cout < < n;
A. 0
B. 1
C. 2
D. 3
[单项选择]以下程序的输出结果是
#include
void main( )
char c='Z';
cout < < c-25;
A. 97
B. Z
C. z-25
D. 2
[单项选择]下面程序的运行结果为
#include
void main( )
char a=,'3';
switch(
[单项选择]有以下程序:
#include <iostream.h>
#include
void main( ) double d= 123.456789;
cout<<setprecision(3)<<d<<",";
cout<<setprecision(4)<<d<<",";
cout<<setprecision(5 )<<d<<end1;程序执行后的输出结果是( )。
A. 123,123.4,123.45
B. 123,123.5,123.46
C. 123,123,123.4
D. 123.456789,123.456789,123.456789
[单项选择]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. 3,4
B. 4,3
C. 3,4
D. 4,4
[单项选择]下面程序的执行结果是
#include"iostream.h"
void main( )
int *p,r;
p=new int;
*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. 20
D. 4
[单项选择]下面程序的执行结果是
#include"iostream.h"
void main( )
int * p,r;
p=new int;
*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. 20
D. 4
[单项选择]如下程序的执行结果是
#include<iostream.h>
void main( )
static int a[ ]= 1,7,3,9,5,11 ;
int * p=a;
* (p+3)+=4;
cout < < * p < <"," < < * (p+3);