以下C++代码的运行输出结果是？
#include <iostream>
using namespace std;
class Base {
public:
virtual void print() {
cout << "Base";
}
};
class Derived : public Base {
public:
void print() {
cout << "Derived";
}
};
int main() {
Base *ptr = new Derived();
ptr->print();
delete ptr;
return 0;
}
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