考题
下面程序的预设功能是:统计文件abc.txt中的字符个数。 include include
下面程序的预设功能是:统计文件abc.txt中的字符个数。include <iostream.h>include <fstream.h>include <stdlib.h>void main(){fstream file;file.open( "abc.txt", ios::in);if ( !file ){cout<<"Can not open abc.txt"<<end1;abort();}char ch;int i = O;while (______________){file.get(ch);i++;}cout<<"Characters : "<<i<<end1;file.close();}则程序中空白处应该填入的语句是【 】。
考题
下列程序的运行结果为【】。 include void main(void) {int a=2,b=-1,c=2; if(a
下列程序的运行结果为【 】。include<iostream.h>void main(void){int a=2,b=-1,c=2;if(a<b)if(b<0)c=0;else c=c+1;cout<<c<<endl;}
考题
下列程序的执行结果是【 】。 include int a; int sum_a(void) { a=a+5; return a; }
下列程序的执行结果是【 】。include <iostream. h>int a;int sum_a(void){a=a+5;return a;}void main(void){a = a+sum_a();cout<<a<<endl;}
考题
下面程序运行时输出结果为【】。 include include class Rect { public: Rec
下面程序运行时输出结果为【 】。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;}
考题
下列程序的运行结果是______。include class Base { public: void f(int x){cout
下列程序的运行结果是______。include<iostream.h>class Base{public:void f(int x){cout<<“Base:”<<x<<endl;});class Derived:public Base{public:void f(char*str){cout<<“Derived:”<<str<<endl;}};void main(void){Base*pd=ne
考题
以下程序的执行结果是【】。 include include include int ma
以下程序的执行结果是【 】。include <iostream.h>include <fstream.h>include <stdlib.h>int main(){fstream outfile, infile;outfile.open("D:\\text.dat",ios::out);if(!outfile){cout<<"text.dat can't open"<<end1
考题
以下程序的执行结果是_______。 include include include void
以下程序的执行结果是_______。include<iostream.h>include<fstream.h>include<stdlib.h>void main(){char ch:fstream file:file.open("abc.dat",ios::out1ios::inlios::binary);if(! file){cout<<“abc.dat文件不能打开”<<endl:abort
考题
下列程序的输出结果是______。includeinclude using namespace std;void
下列程序的输出结果是______。include <iostream.h>include <cstring.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,sh);cout<<Ch;return 0;}
考题
分析下列程序,并写出运行结果【】。 include voidmain(){ int x[10]: int i=5,*ptr=x;
分析下列程序,并写出运行结果【 】。include<iostream.h>void main(){int x[10]:int i=5,*ptr=x;*(ptr+i)=10;cout<<x[i]<<end1;