Inserare 1 element in vector la mijloc

#include <iostream>
using namespace std;

#define MAX_SIZE 70

int main()
{
    int v[MAX_SIZE];
    int n;

    cout << "Introdu n (mai mic decat " << MAX_SIZE << "): ";
    cin >> n;


    //Inserare
    int a;
    for (int i = 0; i < n; i++)
    {
        cout << "Introdu valoare: ";
        cin >> a;

        v[i] = a;
    }


    //Afisare
    for (int i = 0; i < n; i++)
    {
        cout << v[i] << " ";
    }

    cout << endl;

    int pozitie_de_introdus;

    cout << "Introdu pozitia unde doresti sa introduci elementul: ";
    cin >> pozitie_de_introdus;

    n++;

    for (int i = n-1; i >= pozitie_de_introdus; i--)
    {
        v[i] = v[i - 1];
    }

    int val_noua;

    cout << "Introdu noua valoare: ";
    cin >> val_noua;

    v[pozitie_de_introdus] = val_noua;

    //Afisare
    for (int i = 0; i < n; i++)
    {
        cout << v[i] << " ";
    }

    return 0;
}