#include <iostream>

using namespace std;
class UnsizedMassiv{
public:

    UnsizedMassiv(int p){

        razmer = p;
        mass = new int[razmer];
        obnulit(mass, razmer);
    }

    void obnulit(int mass[], int razmer){

        for(int i = 0; i < razmer; i++){

            mass[i] = 0;
        }
    }



    void Set(int position, int value){

        if (position >= razmer-1){
            newSpace();
        }

        mass[position] = value;
    }

    int Get(int position){

        return mass[position];
    }
    void newSpace(){
        razmer*=2;

        int* k = new int[razmer];
        obnulit(k, razmer);

        for(int i = 0; i < razmer/2 ; i++){
            k[i] = mass[i];
        }

        mass = k;
    }
private:

    int razmer;
    int* mass;


};
int main()
{

    return 0;
}