how i will display both rows on screen?

Question

int x[2][3] = {
{2, 3, 4}, // 1st row
{8, 9, 10} // 2nd row
};

Answer 1

You may use loops of your preference.
The following is an example that you may want to refer to:

int i = 0;
int j = 0;

for (i = 0; i <= 1; i++)
{
for (j= 0; j <= 2; j++)
{
cout << array[i][j];
}
cout << endl;
}