mouthful的博客

描述 程序填空，使其按要求输出 #include <iostream> using namespace std; class A { public: int val; A(int // 在此处补充你的代码 }; int main() { int m,n; A a; cout << a.val << endl; while(cin &g...

//referred from Wei Guo, Peking University #include<iostream> using namespace std; class Demo{ int id; public: Demo(int i) { id = i; cout<<"id="<<id<...