link.cpp
1.43 KB
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#include <iostream>
using namespace std;
class Link {
public:
Link* next;
virtual void Print() = 0;
};
class Displayed : public Link {
string name;
public:
Displayed(string n) : name(n){};
void Print() override
{
cout << name << endl;
};
};
class Task : public Link {
string name;
public:
Task(string n) : name(n){};
void Print() override
{
cout << name << endl;
};
};
class Satellite : public Task, public Displayed {
public:
Satellite(string n) : Task("Task:" + n), Displayed("Displayed:" + n){};
void Print() override
{
Task::Print();
Displayed::Print();
};
};
Link* insert(Link* list, Link* node)
{
node->next = list;
return node;
}
int main()
{
Link* displayedList = NULL;
displayedList = insert(displayedList, new Displayed("a"));
displayedList = insert(displayedList, new Displayed("b"));
Satellite* s = new Satellite("e");
Displayed* sd = s;
displayedList = insert(displayedList, sd);
Link* taskList = NULL;
taskList = insert(taskList, new Task("c"));
taskList = insert(taskList, new Task("d"));
Task* st = s;
taskList = insert(taskList, st);
Link* iterator = displayedList;
while (iterator) {
iterator->Print();
iterator = iterator->next;
}
iterator = taskList;
while (iterator) {
iterator->Print();
iterator = iterator->next;
}
}