A two dimensional array ARR[4][4] will store how many elements *10 code example
Example 1: matrix c declaration
int disp[2][4] = { 10, 11, 12, 13, 14, 15, 16, 17};
Example 2: double array in c
int disp[2][4] = {
{10, 11, 12, 13},
{14, 15, 16, 17}
};