#include <iostream>
#include <memory>
using namespace std;
struct lista{
int value;
unique_ptr <int> next;
lista (int n){
this->value = n;
this->next = nullptr;
}
};
void drukujListe(lista *head){
if(head){
if(head->next){
cout << head->value << " " << head->next.get();
}else cout << head->value;
}else cout << "";
}
int main() {
unique_ptr<lista> list = make_unique<lista>(1);
drukujListe(list.get());
return 0;
}
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