Караблики караблики

#include <iostream>

using namespace std;

int main()
{
    srand(time(0));

    int const size = 10;

    int arr[size][size];

    int oneCount = 0;

    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < size; j++)
        {
            arr[i][j] = 0;
            cout << arr[i][j] << " ";
        }
        cout << endl;
    }
    cout << endl;

    //Paint first level board

    for (int n = 0; n < 4; n++)
    {
        int x, y;
        do
        {
            x = rand()%10;
            y = rand()%10;

        } while (arr[x][y] != 0);

        for (int i = y - 1; i < y + 2; i++)
        {
            for (int j = x - 1; j < x + 2; j++)
            {
                if (i >= 0 && j >= 0 && i < size && j < size)
                    arr[j][i] = 2;
            }
        }

        arr[x][y] = 1;

    }

    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < size; j++)
            cout << arr[i][j] << " ";
        cout << endl;
    }

}