rendered paste body#include <iostream>
using namespace std;
class Node {
public:
Node() {
}
virtual void f1() = 0;
virtual int compareTo(Node *n) = 0;
};
class MyNode1 : public Node {
public:
MyNode1() {
}
void f1() {
cout << "MyNode1 \n";
}
int compareTo(Node *n) {
return 0;
}
};
class MyNode2 : public Node {
public:
MyNode2(): Node() {
}
void f1() {
cout << "MyNode2\n";
}
int compareTo(Node *n) {
return 0;
}
};
int main() {
Node *nodes[2];
nodes[0] = new MyNode1();
nodes[1] = new MyNode2();
for (int i = 0;i < 2;i++) {
cout << nodes[i]->compareTo(nodes[i]) << "\n";
nodes[i]->f1();
}
return 0;
}