单选题int count=1; while(countAO(log2n)BO(n)CO(1)DO(nn)

单选题
int count=1; while(count
A

O(log2n)

B

O(n)

C

O(1)

D

O(nn)


参考解析

解析: 暂无解析

相关考题:

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

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;}

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;}

( 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

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

( 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

下面C程序段中count++语句执行的次数为(64)。for(int i=1;i=11;i*=2)for(int j=1;j=i;j++)count++:A.15B.16C.31D.32

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;}

有如下程序: include using namespace std; class MyClass { public: 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() { MyClass obj; cout<<obj.getCount(); MyClass *ptr=new MyClass; cout<<MyClass::getCount(); delete ptr; cout<<MyClass::getCount(); return 0; }程序的输出结果是A.121B.232C.221D.122

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

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;}

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++;

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______。

有如下程序:includeusing namespace std;elass MyClass{public:MyClass( ){++count; 有如下程序: #include<lostreanl> using namespace std; elass MyClass{ public: MyClass( ){++count;} ~MyClass( ){--count;} static int getCount( ){return count;} private: static int count; }; int MyClass::count=0; int main( ){ MyClass obj; cout<<obj.getCount( ); MyClass*ptr=new MyClass; cout<<MyClass::getCount( ); delete ptr; cout<<MyCiass::getCount( ); return 0; } 程序的输出结果是A.121B.232C.221D.122

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

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

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。

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

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

有如下程序: #inCludeiostream using namespaCe耐: Class MyClass{ publiC: MyClass{++Count;} ~MyClass{--Count;} statiC int getCount{retum Count;} private: statiC int Count; }; ‘ int MyClass::Count=0; int main { MyClass obj; Coutobj.getCount; MyClass+ptr=new MyClass: CoutMyClass::9etCount; ’delete ptr; CoutMyClass::9etCount; return 0; } 执行这个程序的输出结果是( )。A.121B.232C.221D.122

程序段intcount=0;char*s=”ABCD”;while(*s!=’/0’){s++;count++;}执行后count=()。

int [] my_Array;  my_Array = new int[5];  for(int count = 0; count = 5; count++)  System.out.println(my_Array[count]); 结果是()A、将1,2,3,4,5输出到屏幕B、将0,1,2,3,4输出到屏幕C、将0,1,2,3,4,5输出到屏幕D、将出现运行时异常

int count=1; while(countA、O(log2n)B、O(n)C、O(1)D、O(nn)

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

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++; %

单选题int [] my_Array;   My_Array=new int [5];   For(int count = 0 ;  count =5; count ++)    System.out.pringtln(my_Array[count]);   以上Java代码运行的结果是()A将1,2,3,4,5输出到屏幕B将0,1,2,3,4输出到屏幕C将0,1,2,3,4,5输出到屏幕D将出现运行时异常

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