#include <iostream>
#include <vector>
 
class base
{
    virtual void foo()
    {}
};
 
class derived1 : public base
{
};
 
class derived2 : public base
{
};
 
int main()
{
    std::vector<base*> v;
    v.emplace_back(new base);
    v.emplace_back(new derived1);
    v.emplace_back(new derived2);
 
    for (size_t i = 0; i < v.size(); ++i)
    {
        std::cout << typeid(v[i]).name() << "\n";
    }
    for (size_t i = 0; i < v.size(); ++i)
    {
        std::cout << typeid(*v[i]).name() << "\n";
    }
    return 0;
}
 

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