题目内容
有如下程序#includeusing namespace std;class Publication{ //出版物类char name[30];public:Publication(char *name="未知名称"){strcpy(this->name,name);}const char * getName()const{ return name; }virtual const char * getType()const{ return "未知类型";}};class Book: public Publication{ //书类public:Book(char *name): Publication(name){}virtual const char * getType()const{ return "书";}};void showPublication( Publication &p){cout<
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