网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
int count=1; while(count
- A、O(log2n)
- B、O(n)
- C、O(1)
- D、O(nn)
参考答案
更多 “int count=1; while(countA、O(log2n)B、O(n)C、O(1)D、O(nn)” 相关考题
考题
现有如下程序段#include "stdio.h"main(){ int k[30]={12,324,45,6,768,98,21,34,453,456};int count=0,i=0;while(k[i]){ if(k[i]%2==0‖k[i]%5==0)count++;i++; }printf("%d,%d\n",count,i);}则程序段的输出结果为A.7,8B.8,8C.7,10D.8,10
考题
如下程序的输出结果是______。 include using namespace std; class pumpkin{ publ
如下程序的输出结果是______。include<iostream>using namespace std;class pumpkin{public:pumpkin( ){++count;}~pumpkin( ){--eount;}static void total_count( ){cout<<count<<"pumpkin(s)"<<endl;}private:static int count;};int pumpkin::count=0;int main( ){pumpkin pl[10];pumpkin::total_count( );return 0;}
考题
下面程序的运行结果是【】。 inChlde using namespace std; class count { static int n;
下面程序的运行结果是【 】。inChlde<iOStream>using namespace std;class count{static int n;public:count(){n++;}static int test(){for(int i=0:i<4;i++)n++;return n;}};int count::n=0;int main(){cout<<COUnt::test()<<" ";count c1, c2;cout<<count::test()<<end1;return 0;}
考题
( 27 )有如下程序:#includeiostreamusing namespace std;class MyClass{public:MyClass(){++count;}~MyClass(){--count;}static int getCount(){return count;}private:static int count;};int MyClass::count=0;int main(){MyClass obj;coutobj.getCount();MyClass*ptr=new MyClass;coutMyClass::getCount();delete ptr;coutMyClass::getCount();return 0;}程序的输出结果是A ) 121B ) 232C ) 221D ) 122
考题
下面程序的正确输出是( )。 public class Hello { public static void main(String args[]) { int count, xPos=25; for ( count=1; count<=10; count++ ) { if ( count==5 ) break; System.out.println(count ); xPos += 10; } } }A.1 2 3 4B.1 3 4C.编译错误D.以上都不是
考题
( 27 )有如下程序:#include iostreamusing namespace std;class Toy{public:Toy(char* _n) { strcpy (name,_n); count++;}~Toy(){ count--; }char* GetName(){ return name; }static int getCount(){ return count; }private:char name[10];static int count;};int Toy::count=0;int mail(){Toy t1("Snoopy"),t2("Mickey"),t3("Barbie");coutt1.getCount()endl;return 0;}运行时的输出结果是A ) 1B ) 2C ) 3D )运行时出错
考题
下面C程序中,设变量count的地址为20000。则该段程序执行后,屏幕上的显示结果应为(53)。 # include <stdio.h> main(void) { int count, q; int *m; count = 100; m = count; q = *m; printf("q=%d; \n", q); return 0; }A.q=2000;B.q=2000C.q=100;D.q=100
考题
阅读以下说明和C语言函数,将应填入(n)处。[说明]函数int find_Max_Min(int a[],int n)的功能是:找出n个元素的数组a中的最大元素和最小元素并输出,返回查找过程中元素的比较次数。查找方法如下:比较a[0]和a[n-1],若a[0]大,则交换a[0]和a[n-1]的值:再比较a[1]和a[n-2],若a[1]大,则交换a[1]和a[n-2]的值;以此类推,直到所有的元素都比较完。然后在数组的前半区从前往后找出小元素,在后半区从后往前找出大元素。[函数]int find_Max_Min(int a[],int n){/*找出n个元素的数组a的最大、最小元素并输出,返回查找过程元素中的比较次数*/int i,Count=0;int temp,Maxnum,Minnum;for(i=0; i<n/2; i++){Count=Count+1 /*元素比较次数计数*/if(a[i]>a[(1)]){/*数组元素交换代码略*/}}Maxnum=a[n-1]; Minnum=a[0];for(i=1;i<n/2+n%2;i++){Count=(2); /*元素比较次数计数*/Minnum=(3)? a[i]:Minnum; /*找最小元素*/Maxnum=(4)?(5):Maxnum; /*找最大元素*/}printf("Max=%d\n",Maxnum);printf("Min=%d\n",Minnum);return Count;}
考题
从键盘上输入XXYYZZXYZWXP和X,以下程序的输出结果是【】。 include include
从键盘上输入XXYYZZXYZWXP和X,以下程序的输出结果是【 】。include<iostream.h>include<string.h>void main(){char*str,ch;int count=0,pos;cin>>str>>ch;pos=strlen(str)-1;while(pos>=0){if((str[pos])=ch)count++;pos--;}cout<<"count="<<count;}
考题
有如下程序: #include using name space std; classB{ public: B(int xx):x(xx){++count;x+=10;} virtual void show()const {cout<<count'_'<<x<<endl;} protected: static int count; private: intx; }; class D:publicB{ public: D(int xx,int yy):B(xx),y(yy){++count;y+=100;} virtual void show()const {cout<<count<<'_'<<y<endl}; pnvate: inty; }; int B::count=0; intmain(){ B*ptr=new D(10,20); ptr-show(); delete ptr; return 0; } 运行时的输出结果是( )。A.1_120B.2_120C.1_20D.2_20
考题
下面程序的运行结果是【】。 include using namespace std; class count{ static int n;
下面程序的运行结果是【 】。include <iostream>using namespace std;class count{static int n;public:count(){n++;}static int test(){for(int i=0;i<4;i++)n++;return n;}};int count::n = O;int main(){cout<<count:: test()<<" ";count c1, c2;cout<<count:: test()<<endl;return 0;}
考题
下面的哪些程序段可以正确地获得从命令行传递的参数的个数?()
A.int count = args.length;B.int count = args.length-1;C.int count=0; while(args[count]!=null) count++;D.int count=0;while (!(args[count].equals(“”))) count++;
考题
阅读以下说明和C++代码,将解答写入对应栏内。【说明】请编写一个函数int SeqSearch(int list[],int start,int n,int key),该函数从start开始,在大小为n的数组list中查找key值,返回最先找到的key值的位置,如果没有找到则返回-1。请修改程序中画线部分的错误并将不同情况下的输出结果补充完整。【程序】文件search.cpp的内容如下:include <iostream. h >int SeqSearch( int list[ ] ,int start,int n,int key){for(int i=start;i<=n;i++) //(1){if( list[i] = key)//(2){return i;}}return -1;}void main( ){int A[10]int key,count=0,pos;cout <<" Enter a list of 10 integers:";for(pos=0;pos<10;pos++){cin >>A; //(3)}cout <<" Enter a key; ";cin >> key;pos=0;while(( pos = SeqSearch ( A, pos, 10, key)) !=-1 ){count ++;pos ++;}cout<<key<<"occurs" <<count<< (count!=1?" times":" time") <<" in the list,"<< endl;}第一种情况:输入2 3 12 6 8 45 8 33 7输入key:8输出:(4)第二种情况:输入2 3 126 8 45 8 33 7输入k6y:9输出:(5)
考题
有如下程序: include using namespace std; class pumpkin{ public:pumpkin(){++count
有如下程序:include<iostream>using namespace std;class pumpkin{public:pumpkin(){++count;}~pumpkin(){--count;}static void total_count(){cout<<count<<"pumpkin(s)"<<end1;}private:static int count;};int pumpkin::count=0;int main(){pumpkin p1[10];pumpkin::total_count();return 0;}这个程序的输出结果是______。
考题
有如下程序:#includeiostreamusing namespace std;class Toy{public:Toy(char*_n){strcpy(name,_n);count++;}~Toy()}count--;}char*GetName(){return name;}static int getCount(){return count;}private:char name[10];static int count;};int Toy::count=O:int main(){Toy tl(“Snoopy”),t2(“Mickey”),t3(“Barbie”);coutt1.getCount()endl;return O:}运行时的输出结果是A.1B.2C.3D.运行时出错
考题
有以下程序:include using namespace std;class count{ static int n;public: count
有以下程序: #include <iostream> using namespace std; class count { static int n; public: count ( ) { n++; } static int test() { for (int i = 0; i < 4; i++ ) n++; return n; } }; int count :: n = 0; int main() { cout<<count :: test()<<" "; count c1, c2; cout<<count :: test()<<end1; return 0; } 执行后的输出结果是( )。A.4 10B.1 2C.22D.24
考题
int Calc(unsigned int x){int count=0;while(x){printf("x=%i\n",x);count++;x=x(x-1);}return count;}问 Calc(9999)的值是多少。
考题
下面程序运行时,若输入“Visual Basic Prograrmming”,则在窗体上输出的是( )。Private Sub Command1Click( ) Dim cout(25)As Integer,ch As String ch=Ucase(Int,utBox("请输入字母字符串")) For k=1 To i en(ch). n=ASC(Mid(ch,k,1))-Asc("A") If n=0 Then count(n)=count(n)+1 End If Next k m=count(0) For k=1 To 25 If mcount(k)Then m=count(k) End If Next k Print m End SubA.0B.1C.2D.3
考题
有如下程序:includeusing namespace std;class MyClass{public:MyClass(){++count;}~
有如下程序: #include<iostream> using namespace std; class MyClass{ public: MyClass(){++count;} ~MyClass(){--count;} static int getCount(){return count;} private: static int count; }; int MyClass::count=0; int main(){ MyClA.121B.232C.221D.122
考题
有如下程序:includeusing namespace std;class Toy{public:Toy(char*_n){strcpy(name
有如下程序: #include<iostream> using namespace std; class Toy{ public: Toy(char*_n){strcpy(name,_n);count++;} ~Toy(){count--;} char*GetName( ){return name;} static int getCount( ){return count;} private: char name[10]; static int count; }; int Toy::count=0: int main( ){ Toy tl("Snoopy"),t2("Mickey"),t3("Barbie"); cout<<t1.getCount( )<<endl; return 0; } 程序的输出结果是A.1B.2C.3D.运行时出错
考题
在下面程序运行后,输出结果为 ______。includevoid count(int x[],int n,int y
在下面程序运行后,输出结果为 ______。 #include<iostream.h> void count(int x[],int n,int y){ int k; y=0; for(k=0:k<n;k++) if(x[k]<0) y++; } void main(){ int b[]={2,1,-8,-3,7,2,4,6,0,-13}; int x; count(b,10,x); cout<<“x”<<x<<end1; }A.x=3B.x=5C.出错D.x=0
考题
下面的程序用变量count统计文件letter.dat中字符的个数。请写出程序的横线处应该填入的内容。() #include main( ) { FILE *fp; long count=0; if((fp=fopen((“letter.dat”, ))==NULL){ printf((“Cannot open file!/n”); exit(0); } while(!feof(fp)){ ; count++; } printf((“count=%d/n”,count); fclose(fp); }
考题
编译如下Java程序片断: class test{ int count = 9; public void a(){ int count=10; System.out.println("count 1 =" + count); } public void count(){ System.out.println("count 2 =" + count); } public static void main(String args[]){ test t=new test(); t.a(); t.count(); } } 结果将()。 A、不能通过编译B、输出: count 1 = 10 count 2 = 9C、输出:count 1 = 9 count 2 = 9
考题
单选题For debugging purposes, you need to record how many times a given JSP is invoked before the user’ssession has been created. The JSP’s destroy method stores this information to a database. Which JSPcode snippet keeps track of this count for the lifetime of the JSP page?()A
%! int count = 0; %% if ( request.getSession(false) == null ) count++; %B
%@ int count = 0; %. % if ( request.getSession(false) == null ) count++; %C
% int count = 0;. if ( request.getSession(false) == null ) count++; %D
%@ int count = 0;. if ( request.getSession(false) == null ) count++; %E
%! int count = 0;. if ( request.getSession(false) == null ) count++; %
考题
填空题下面的程序用变量count统计文件letter.dat中字符的个数。请写出程序的横线处应该填入的内容。() #include main( ) { FILE *fp; long count=0; if((fp=fopen((“letter.dat”, ))==NULL){ printf((“Cannot open file!/n”); exit(0); } while(!feof(fp)){ ; count++; } printf((“count=%d/n”,count); fclose(fp); }
考题
单选题编译如下Java程序片断: class test{ int count = 9; public void a(){ int count=10; System.out.println("count 1 =" + count); } public void count(){ System.out.println("count 2 =" + count); } public static void main(String args[]){ test t=new test(); t.a(); t.count(); } } 结果将()。A
不能通过编译B
输出: count 1 = 10 count 2 = 9C
输出:count 1 = 9 count 2 = 9
热门标签
最新试卷