更多"下列程序的运行结果为 #include < iostream.h >"的相关试题:
[单项选择]下面程序运行后的输出结果是 () 。#include #include void main( ){ char a[7] = "china"; int i, j; i = sizeof(a); j = strlen(a); printf("%d, %d/n", i, j);}
A. 5, 5
B. 6, 6
C. 7, 5
D. 7, 6
[单项选择]下面程序的运行结果为 #include void main( ) { char a=,'3'; switch(a) { case'3':cout < < "3"; case'2':cout < < "2";break; default:cout < < "1"; } }
A. 3
B. 321
C. 31
D. 32
[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]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]下面程序的运行结果是
#include<iostream.h>
Void main( )
{
int num=1;
int &ref=num;
ref=ref+2;
cout < < num;
num=num+3;
cout < < ref < <endl;
}
A) 13 B) 16 C) 36 D) 33
[单项选择]下列程序的运行结果为
#include<iostream.h>
void main( )
{
int a=2;
int b=a+1;
cout < < a/b < < endl;
}
A) 0.66667 B) 0 C) 0.7 D) 0.66666666…
[单项选择]下面程序的运行结果是
#include<iostream.h>
void main( )
{
int i=1;
while(i <=8)
if(++i%3!=2) continue;
else cout < < i;
}
A) 25 B) 36 C) 258 D) 369
[单项选择]下面程序的运行结果为
#include<iostream.h>
void main( )
{
char a='3';
switch(a)
{
case'3':cout < <"3";
case'2':cout < < "2";break;
default:cout < <"1";
}
}
A) 3 B) 321 C) 31 D) 32