Dev - C++ - Necesito ayudaa

#include <iostream>

#include <cstdlib>

#include <ctime>

using namespace std;

int main()

{

    srand(time(NULL));

    int sz;

    cout << "Dimension de la Matriz: ";

    cin >> sz;

    int matriz[sz][sz];

    cout << endl << " Matriz: " << endl << endl;

    for (int i = 0; i < sz; i++)

    {

        cout << " |";

        for (int j = 0; j < sz; j++)

        {

            matriz[i][j] = rand() % 10;

            cout << matriz[i][j] << " ";

        }

        cout << "|" << endl;

    }

    cout << endl;

    for (int i = 0; i < sz; i++)

        for (int j = 0; j < sz; j++)

            if (i % 2 != 0 && matriz[i][j] % 2 == 0)

                cout << matriz[i][j] << " ";

    cout << endl;

    return 0;

}