更多"有以下程序 #include <stdio.h> #inclu"的相关试题:
[单项选择]有以下程序
#include
#include
typedef struct {char name[9]; char sex; int score[2]; } STU;
STU f(STU a)
{ STU b={"Zhao",’m’,85,90};
int i;
strcpy(a.name,b.name);
a.sex=b.sex;
for(i=0;i<2;i++) a.score[i]=b. score[i];
return a;
}
main( )
{ STU c={"Qian",’f’,95,92}, d;
d=f(c);
printf("%s,%c,%d,%d,",d.name, d.sex, d.score[0], d.score[1]);
printf("%s,%c,%d,%d/n",c.name, c.sex, c.score[0], c.score[1]);
}
程序运行后的输出结果是_______。
A. Zhao,m,85,90,Qian,f,95,92
B. Zhao,m,85,90, Zhao,m,85,90
C. Qian,f,95,92, Qian,f,95,92
D. Qian,f,95,92, Zhao,m,85,90
[填空题]以下程序的输出结果是( )。
#include
#include
#include
mian( )
{ char *p, *q, *r;
p=q=r=(char *)malloc(sizeof(char)*20);
strcpy(p,”attaboy,welcome!”);
printf(“%c%c%c/n”,p[11], q[3], r[4]);
free(p);
}
[单项选择]
有以下程序
#include
#include
struct A
{ int a; char b[10]; double c;};
void f(struct A t);
main( )
{ struct A a={1001,"ZhangDa",1098.0};
f(a); printf("%d,%s,%6.1f/n",a.a,a.b,a.c);
}
void f(struct A t)
{ t.a=1002; strcpy(t.b,"ChangRong");t.c=1202.0;}
程序运行后的输出结果是()
A. 1001,zhangDa,1098.0
B. 1002,changRong,1202.0
C. 1001,ehangRong,1098.O
D. 1002,ZhangDa,1202.0
[填空题]
有以下程序
#include
#include
void fun(char *str)
{ char temp;int n,i;
n=strlen(str);
temp=str[n-1];
for(i=n-1;i>0;i--) str[i]=str[i-1];
str[0]=temp;
}
main( )
{ char s[50];
scanf("%s",s); fun(s); printf("%s/n",s);}
程序运行后输入:abcdef<回车>,则输出结果是 () 。
[单项选择]有以下程序 #include <iostream> #include <string> using namespace std; class base { private: char baseName[10]; public: base ( ) { strcpy(baseName,"Base"); } virtual char *myName( ) { return baseName; } char *className( ) { return baseName; } }; class Derived : public base { private: char derivedName[10]; public: Derived( ) { strcpy(derivedName,"Derived"); } char *myName( ) { return derivedName; } char *className( ) { return derivedName; } }; void showPtr(base &p) { cout<<p.myName ( ) <<" "<<p.className ( ); } int main ( ) { base bb; Derived dd; showPtr(dd); return 0; } 运行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived
[填空题]有以下程序:
#include <iostream>
#include <fstream>
using namespace std;
int main( )
{
fstream file;
file.open("abc.txt", ios_base::in);
if (! file )
{
cout<<"Can not open abc.txt"<<end1;
abort( );
}
char ch;
int i = 0;
while ( ! file.eof( ) )
{
file.get(ch);
i++;
}
cout<<"Characters : "<<i<<end1;
file.close( );
return 0;
}
程序实现的功能是 【15】 。
[单项选择]有以下程序:
#include<iostream>
#include<string>
using namespace std;
int main( )
char arr[2][4];
strcpy(arr[0],"you");
strcpy(arr[1],"me");
arr[0][3]='&';
cout<<arr[0]<<end1;
return 0;
执行后的输出结果是( )。
A. you&me
B. you
C. me
D. err
[单项选择]有以下程序
#include
#include
void fun(char *w, int m)
{ char s, *p1, *p2;
p1=w; p2=w+m-1;
while(p1A. 654321
B. 116611
C. 161616
D. 123456
[单项选择]有以下程序
#include
#include
main( )
{ char a[5][10]={ "china","beijing","you","tiananmen","welcome"};
int i,j; char t[10];
for(i=0;i<4;i++)
for(j=i+1;j<5;j++)
if(strcmp(a[i],a[j])>0)
{strcpy(t,a[i]); strcpy(a[i],a[j]); strcpy(a[j],t);}
puts(a[3]);
}
程序运行后的输出结果是_______。
A. beijing
B. china
C. welcome
D. tiananmen
[单项选择]有以下程序 #include<iostream> #include<string> using namespace std; class base { private: charbaseName[10]; public: base( ) { strcpy(baseName,"Base"); } virtual char*myName( ) return baseName; } char *className( ) { return baseName; } }; class Derived: public base { private: char derivedName[10]; public: Derived( ) { strcpy(derivedName,"Derived"); } char *myName( ) { return derivedName; } char *className( ) { return derivedName; } }; void showPtr(base &p) { cout<<p.myName0<<" "<<p.className( ); } int main( ) { base bb; Derived dd; showPtr(dD) ; retum 0; } 动行后的输出结果为
A. Derived Base
B. Base Base
C. Derived Derived
D. Base Derived
[单项选择]有以下程序:
#include 〈iostream〉
#include 〈string〉
using namespace std;
class visited
private:
int number;
char *name;
public:
static int glob;
void set mes(char *
[填空题]有以下程序:
#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
int main( )
{
fstream filel,file2;
char line[100];
filel.open("source.txt",ios::in);
if(!file1)
{
cout<<"Can’t open file source.txt!"<<end1;
abort( );
}
file2.open("dest.txt",ios::out);
if(!file2)
{
cout<<"Can’t open file dest.txt!"<<end1;
abort( );
}
while(!file1.eof( ))
{
filel.getline(1ine,100);
file2<<line;
file2<<end1;
}
filel.close( );
file2.close( );
return 0;
}
此程序实现的功能是 【15】 。
[单项选择]有以下程序: #include <iostream> #include <strinq> using namespace std; int main( ) { char a[] = {’a’/’b’/’c’/’d’,’e’,’f’,’g’,’h’,’/0’}; int i j; i=sizeof(A) ; j=strlen(A) ; cout<<i<<","<<j<<end1; return 0; } 程序运行后的结果是( )。
A. 9,9
B. 8,9
C. 1,8
D. 9,8
[单项选择]有以下程序: #include <iostream> #include <cmath> using namespace std; class Distance; class point { public: friend class Distance; Point(int a,int B) { x=a; Y=b; } void Print( ) { cout<<"X= "<<X<<end1; cout<<"Y= "<<Y<<end1; } private: float X,Y; }; class Distance { public: float Dis(Point &p,Point &q); }; float Distance :: Dis(Point &p,Point &q) { float result; result=sqrt((p.X-q.X)*(p.X-q.X)+(p.Y-q.Y)*(p.Y-q.Y)); cout<<result<<end1; retUrn result; } int main( ) { Point p(10,10),q(10,30); Distance d; d.Dis(p,q); return 0; } 运行后的输出结果是( )。
A. 10
B. 30
C. 0
D. 20
[单项选择]有以下程序:
#include <iostream>
#include <math>
using namespace std;
class point
private:
double x;
double y;
public:
point(double a,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));
int main ( )
point pl(1,2);
point p2 (5, 2);
cout<<distance (pl,p2) <<end1;
return 0;
程序运行后的输出结果是()
A. 1
B. 5
C. 4
D. 6
[单项选择]有以下程序:
#include <iostream>
#include <fstream>
using namespace std;
int main ( )
ofstream ofile;
char ch;
ofile.open ("abc.txt");
cin>>ch;
while (ch!='#' )
cin>>ch;
ofile.put(ch);
ofile.close( );
return 0;
当从键盘终端连续输入的字符为a、b、c和#时,文件abc.txt中的内容为( )。
A. 程序编译时出错
B. abc#
C. abc
D. #
[单项选择]以下程序
#include<stdio.h>
#include<string.h>
main( )
char*pl="abc",*p2="ABC",str[50]="xyz";
strcpy(str+2.strcat(p1,p2));
printf("%s/n,str);
的输出是______。
A) xyzabcABC B) zabcABC
C) yzabcABC D) xyabcABC
[单项选择]有以下程序
#include<string.h>
#include<iostream.h>
void main( )
char*p="abcde/0fghjik/0";
cout<<strlen(p);
程序运行后的输出结果是
A. 12
B. 15
C. 6
D. 5