C – Multi-Dimensional Array in C2 min read

What is Multi-Dimensional Array in C?

In C programming, Multi-Dimensional Arrays refer to as array of arrays. This could be of 2D or 3D (two-dimensional or three-dimensional) Array. These arrays are stored in the form of a table (with rows and columns).

The general form of multi-dimensional array:

The data type must be a valid C data type, a unique name must be specified to each array and the size must be of an integer constant.


Declaration of 2d and 3d Array in C.


Initialization of multidimensional array.

We can initialize a Multi Dimensional Array (two-dimensional or three-dimensional) in the following ways in C.

1. Initialization of 2d Array

2. Initialization of 3d Array


Accessing Multi-Dimensional Array Elements in C

Accessing 2d Array:

An array can be accessed by using a specific index number. It can be achieved by placing the particular index number within the brackets [][]. Such as:

Accessing 3d Array:

Accessing 3-dimensional array is also as same as a two-dimensional array, the only difference is that in 3d array we have to specify 3 subscripts with a required index number.


Example of two -dimensional Array in C:

Displaying the elements with index number from 2D Arrays.

Output: After executing the above code, the following result will be displayed.


Example of three-dimensional Array in C:

Displaying the elements with index number from 3D Arrays.

Output: After executing the above code, the following result will be displayed.

As we saw the examples of 2D and 3D arrays, in a similar we can create any number dimension as required. However, the most used multidimensional array is a two-dimensional array.


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