更多"下面程序错误的语句是 #include' iostream.h' "的相关试题:
[单项选择]下面程序错误的语句是
#include“iostream.h”
① void main( )
②
③ int A=0;
④ int &B;
⑤ B=A;
⑥ cout<<B;
⑦ cout<<A;
⑧
A. ②
B. ③
C. ④
D. ⑥
[单项选择]下面程序错误的语句是
①#include < iostream.h>
②void main( 0
③
④ int * p = new int[1] ;
⑤ p =9;
⑥ cout <<*p <<end1;
⑦ delete [ ] p;
⑧
A. ④
B. ⑤
C. ⑥
D. ⑦
[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]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