更多"下面程序的结果是 #include'iostream.h' voi"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]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]下面程序的执行结果是 #include" iostream.h" void main( ) { int * p,r; p=new in; * p=20; r=sizeof(* p); cout < < r < < end1; 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]下面程序的结果是 #include"iostream.h" void main( ) { char*str; str="test!"; cout<<str[5]; }
A. 程序错误
B. !
C. ’/0’
D. 为空字符
[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]下面程序输出的结果是 #include<iostream.h> void main( ) { int i; int a[3][3]={1,2,3,4,5,6,7,8,9}; for(i=0;<3;i++) cout<<a[2-i][i]<<" "; }
A. 1 5 9
B. 7 5 3
C. 3 5 7
D. 5 91
[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