更多"下面程序运行时输出结果为______。 #include<iostr"的相关试题:
[填空题]下面程序运行时输出结果为______。
#include<iostream.h>
#include
class Rect
public:
Rect(int l, int w)length=l; width=w;)
void Print( )cout<<"Area:"<<length*width<<end1;
void operator delete(void*p)free(p);
private:
int length, width;
;
void main( )
Rect *p;
p=new Rect(5, 4);
p->Print( );
delete p;
[填空题]以下程序运行时输出到屏幕的结果是【16】 。
#include
#include
void main( )
{ int i=0,n=0;char s[80],*p;
strcpy(s,"It is a book.");
for(p=s;p!=’/0’;p++)
if(*p==’ ’)
i=0;
else
if(i==0)
{n++;i=1; }
printf("%d/n",n);
}
[填空题]下面程序的输出结果是 【15】 。
#include<iostream.h>
#include<math.h>
class point
{
double x;
double y;
public:
point(doublea,d double B)
{
x=a;
y=b;
}
friend double distance (point a,point B) ;
};
double distance (point a,point B)
{
return sqrt((a.x-b.x)*(a.x-b.x)+(a.y-b.y)*(a.y-b.y));
}
void main( )
{
point p1(1,2);
point p2(5,2);
cout<<distance(p1,p2)<<end1;
}
[填空题]
下面程序运行时输出结果为
C:/Program Files is a directory.
请将程序补充完整。
import java.io.*;
public class DirTest {
public static void main(String[] args) {
File myDir = new File("C:/Program Files/");
System.out.println
(myDir+( 【11】 .isDirectory( )"is": "is not") +" a directory.");
}
}
[填空题]以下程序运行后的输出结果是 【14】 。
#include <iostream>
#include <string>
using namespace std;
class Y;
class X
int x;
char *strx;
public:
X(int a, char *str)
x=a;
strx=new char[strlen(str)+l];
strcpy(strx,str);
void show(Y &ob) ;
;
class Y
private:
int y;
char *stry;
public:
Y(int b,char *str)
y=b;
stry=new char[strlen(str)+l];
strcpy(stry, str);
friend void X::show(Y &ob) ;
;
void X::show(Y &ob)
cout<<strx<<",";
cout<<ob.stry<<end1;
int main( )
X a(10,"stringX");
Y b(20,"stringY");
a. show (B) ;
return 0;
[填空题]下列程序的输出结果是______。
#include<iostream.h>
#include<string.h>
using namespace std;
void fun(const char*s,char &C) {c=s[strlen(s)/2];}
int main( )
{
char str[]="ABCDE";
char ch=str[1];
fun(str,ch);
cout<<ch;
return 0;
}
[填空题]下面程序运行时输出结果为:
C:/Program Files is a directory.
请将程序补充完整。
import java.io*;
public class DirTest
public static void mian (String[]args)
File myDir=new File ("C:/Program Files/");
System.out.printIn (myDir+(______.isDirectory( )"is": "is not")+"a directory.");
[填空题]以下程序运行后的输出结果是 【17】 。
#include <stdio, h>
#include <string, h>
main( )
{ char ch[] ="abc".,x[3] [4]: int i:
for(i=0;i<3:i ++) strcpy(x[i] ,ch):
for(i =0;i<3:i++) printf( "% s" ,&x[i] [i]);
printf(" /n" )
}
[填空题]以下程序运行后的输出结果是______。
#include <iostream>
#include <string>
using namespace std;
class Y;
class X
int x;
char *strx;
public:
X(int a,char *str)
x=a;
strx=new char[strlen(str)+1];
strcpy(strx,str);
void show(Y &ob) ;
;
class Y
private:
int y;
char *stry;
public:
Y(int b,char *str)
y=b;
stry=new char[strlen(str)+1];
strcpy(stry, str);
friend void X::show(Y &ob) ;
;
void X::show(Y &ob)
cout<<strx<<",";
cout<<ob.stry<<end1;
int main( )
X a(10,"stringX");
Y b(20,"stringY");
a. show (b) ;
return O;
[填空题]下面程序运行时输出的结果为
C:/Program Files is a directory.
将程序补充完整。
Import java.io.*;
public class DirTest {
public static void main(String[] args) {
File myDir=Flew File("C:/Program Files/");
System.out.println(myDir+(______.isDirectory( )"is":"is not")+"a directory.");
}
}
[填空题]下面程序运行时输出结果为 【8】 。
#include<iostream.h>
#include<malloc.h>
class Rect
{
public:
Rect(int1,int w)(length=1;width=w;)
void Print( ){cout<<"Area:"<<length *width<<endl;)
void *operator new(size-t size){return malloc(size);}
void operator delete(void *p){free(p)
private:
int length,width;
};
void main( )
{
Rect*p;
p=new Rect(5,4);
p->Print( );
delete p;
}
[填空题]下面程序运行时输出的结果为
C:/Program Files is a directory.
将程序补充完整。
Import java.io.*;
public class DirTest
public static void main(String[] args)
File myDir=Flew File("C:/Program Files/");
System.out.println(myDir+(______.isDirectory( )"is":"is not")+"a directory.");
[填空题]下面程序运行时输出结果为 【8】 。
#include<iostream.h>
#include<malloc.h>
class Rect
public:
Rect(int1,int w)(length=1;width=w;)
void Print( )cout<<"Area:"<<length *width<<endl;)
void *operator new(size-t size)return malloc(size);
void operator delete(void *p)free(p)
private:
int length,width;
;
void main( )
Rect*p;
p=new Rect(5,4);
p->Print( );
delete p;
[填空题]下面程序的执行结果是______。
#include<iostream.h>
#include<iomanip.h>
using namespace std;
void main( )
{
cout<<setfill(’x’)<<setw(10);
cout<<"Hello"<<endl;
}
[填空题]下面程序运行时输出结果为______。
#include <iostream.h>
#include <malloc.h>
class Rect
public:
Rect(int l,int w) length=l;width=w;)
void Print( ) cout<<"Area:"<<length*width<<endl;
void *operator new(size-t size) return malloc(size);
void operator delete(void *p)free(p
private:
int length,width;
;
void main( )
Rect *p;
p=new Rect(5,4);
p->Print( );
deletep;
[填空题]下面程序运行时输出结果为______。
#include<iostream.h>
#include
class Rect
{
public:
Rect(int l, int w){length=l; width=w;)
void Print( ){cout<<"Area:"<<length*width<<end1;}
void operator delete(void*p){free(p);}
private:
int length, width;
};
void main( )
{
Rect *p;
p=new Rect(5, 4);
p->Print( );
delete p;
}
[填空题]若下面程序运行时输出结果为
1,A,10.1
2,B,3.5
请将程序补充完整。
#include<iostream>
using namespace std;
int main( )
void test(int,char,double______);
test(1,’A’,10.1);
test(2,’B’);
return 0;
void test(int a,char b,doubleC) cout<<a<<’,’<<b<<’,’<<c<<endl;