C Multidimensional Arrays (2D, 3D 이해하기)

• To create a 2D array of integers

int matrix[2][3] = { {1, 4, 2}, {3, 6, 8} };

2D matrix

C code 2D matrix
	Column 0	Column 1	Column 2
Row 0	1	4	2
Row 1	3	6	8

• Access the Elements of a 2D Array

int matrix[2][3] = { {1,4,2}, {3,6,8}};

printf("%d", matrix[0][2]);  // Outputs 2

https://www.w3schools.com/c/c_arrays_multi.php