题目内容
有如下程序:#include using namespace std;class Base{public:void fun1() { cout<<"Base\n"; }virtual void fun2() { cout<<"Base\n"; }};class Derived : public Base {public:void fun1() { cout<<"Derived\n"; }void fun2() { cout<<"Derived\n"; }};void f(Base& b) { b.fun1(); b.fun2(); }int main(){Derived obj;f(obj);return 0;}执行这个程序的输出结果是()。
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