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]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+l; cout < < a/b < < end1; }
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 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]下面程序的运行结果为 # include <iostream.h> void main( ) { for(int a = 0,x =0;! x&&a < = 10;a++) { a++; } cout << a << endl; }
A. 10
B. 11
C. 12
D. 0
[单项选择]下列程序的运行结果为 #include<iostream.h> Void main( ) { int a=2; iht b=a+1; cout <<a/b <<end1; }
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( 0 { int num =1; int &ref = num; ref=ref+2; cout << num; num = num+3; cout < < ref < < end1; }
A. 13
B. 16
C. 36
D. 33