2D to 1D array

2D陣列 轉 1D陣列
Array[i][j]
![array[i][j]](https://resize-image.vocus.cc/resize?norotation=true&quality=80&url=https%3A%2F%2Fimages.vocus.cc%2F250f244c-7984-4fda-8055-75dbe98212df.jpg&width=740&sign=yNYOx-utNZfOCdTaB_c3awNNIY0JCUD6mLGAi0swM8s)
array[i][j]
Array [i×DIM + j]
![array [i×DIM + j]](https://resize-image.vocus.cc/resize?norotation=true&quality=80&url=https%3A%2F%2Fimages.vocus.cc%2F4ca8621e-6bdc-4fd4-805d-b85121fa1f71.jpg&width=740&sign=y8lDlCuPxMas7obzyadqhwzwogmbIbilwZ6wv_7QZJw)
array [i×DIM + j]
Output
array[0][0] = 0
array[0][1] = 1
array[1][0] = 1
array[1][1] = 2
2D to 1D array
2D陣列 轉 1D陣列
array[i][j]
array [i×DIM + j]
array[0][0] = 0
array[0][1] = 1
array[1][0] = 1
array[1][1] = 2