lifetime2

#include <cstdio>
#include <cstdlib>

class vector {
private:
    int* vec, nr;
public:
    vector()
    {
        vec = 0;
        nr = 0;
    }
    ~vector()
    {
        free(vec);
        vec = 0;
        nr = 0;
        printf("boom!\n");
    }
    void add(int elem)
    {
        vec = (int*) realloc(vec, (nr + 1) * sizeof(int));
        vec[nr++] = elem;
    }
    int get(int index)
    {
        return vec[index];
    }
};

vector create_vector(int nr)
{
    vector item;
    int elem;
    while (nr-- > 0) {
        scanf("%d", &elem);
        item.add(elem);
    }
    return item;
}

void wait()
{
    long ct = 0x1FffFFff, c;
    system("pause");
    c = ct;
    while (c-- > 0);
}

int main()
{
    int nr;
    printf("Numar elemente: ");
    scanf("%d", &nr);
    //vector obj1; // rezultat diferit prin folosirea declararii inainte :\
    vector obj1 = create_vector(nr);
    wait();
    printf("1: %d\n", obj1.get(0));
    return 0;
}