2개 이상의 부모 클래스를 동시에 상속하는 경우 class UnderGradStudent { public: string name; string dept; void Warn() { } }; class DormStudent { public: string building; int roomNo; void Warn() { } }; class UnderGrd_DormStudent : public UnderGradStudent, public DormStudent { public: }; int main() { UnderGrd_DormStudent s1; s1.name = "김철수"; s1.dept = "cse"; s1.building = "1st"; s1.roomNo = 1024; s1.DormStudent::Warn..