写出下列程序的执行结果是:__________________。#includeusing namespace std;class T{ public: T(int x){ a=x; b+=x;}; static void display(T c) { cout<<"a="<
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写出下列程序的执行结果是:__________________。#include class myclass{ int a,b; static int s;public: myclass(int x,int y) { a=x; b=y; s++; } void print() { cout<
写出下列程序的执行结果是:__________________。#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<
写出下列程序的执行结果是:__________________。#includeusing namespace std;int a=10;void main(){ int a=20; { int a=30; } cout<<::a<
写出下列程序的执行结果是:__________________。#includeusing namespace std;int a=0;void main(){ int a=1; { int a=2; cout<