enter three columns and two rows in 2d from file in c 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}
};