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阅读下列程序,写出执行结果:#includeclass Sample{ int n;public:Sample(int i){n=i;}friend int add(Sample &s1,Sample &s2);};int add(Sample &s1,Sample &s2){return s1.n+s2.n;}void main(){Sample s1(10),s2(20);cout<

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有如下程序:#includeusing namespace std;class pumpkin{public: pumpkin(){++count;} ~pumpkin(){--count;} static void total_count(){ cout<

下列程序的输出结果为Object id=0Object id=1请将程序补充完整。#include using namespace std;class Point{public: Point(int xx=0,int yy=0){X=xx;Y=yy;countP++;} ~Point(){countP--;} int GetX(){return X;} int GetY(){return Y;} static void GetC() { cout<<"Object id="<

执行下列语句后,输出的结果为______。 void show(){static int a=3;a++;cout<

下列程序的输出结果是______。#includeusing namespace std;class Test{public:Test(){cnt++;}~Test(){cnt--;}static int Count(){return cnt;}private: static int cnt;};int Test::cnt=0;int main(){ cout<

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