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#include <iostream>
using namespace std;
// Prototype
class Prototype {
    virtual Prototype* Clone() = 0;
    virtual ~Prototype() { }
class ConcretePrototype :public Prototype {
    ConcretePrototype() { }
    ConcretePrototype(const ConcretePrototype&cp) {
        cout << "ConcretePrototype copy..." << endl;
    Prototype* Clone() {
        return new ConcretePrototype(*this);
int main() {
    Prototype *prototype = new ConcretePrototype();
    cout << prototype << endl;
    Prototype* prototype1 = prototype->Clone();
    cout << prototype1 << endl;
    Prototype* prototype2 = prototype->Clone();
    cout << prototype2 << endl;
    delete prototype;
    delete prototype1;
    delete prototype2;
    return 0;

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