How you can use array in c language?

Answer 1

An array is a contiguous block of memory containing one or more elements of the same type and size. Each element in the array is accessed as a zero-based offset from the start of the array or by using the index [].

Examples:

int a[10]; // allocates memory for 10 integers (e.g., 40 bytes for a 4 byte int).

int x = a[5]; // accesses the 6th element (a[0] is the first element).

int *p = a; // point to start of the array.

p += 5; // advance pointer 5 * sizeof( int ) addresses.

*p = 10; // access the 6th element and assign the value 10.

int d * = new int[*p]; // dynamically allocate an array of 10 elements.

delete [] d; // release dynamic array.

Answer 2

An array is a collection of one or more repeated instances of an object, referred to in a special way, that allows them all to have the same name, as a collection, but to be individually numbered. For instance, an array of 10 floating point numbers could be defined as ...

float array[10];

... and then used as array[0], array[1], array[2], ... array[8], array[9].

You can have multiple dimensions if you wish ...

float matrix[10][10];

... creates an array of 10 x 10. You would access it as matrix[0][0], through matrix[9][9]. Note carefully the syntax of sequential brackets, and don't be surprised that the multi-dimensioned array is actually an array of arrays. There is no limit, other than implementation and/or memory to the number of dimensions.

Answer 3

An array is a static data container. It is used for storing data in a contiguous memory location. The individual array elements are indexed using the subscript. An array index always begins with 0.

Eg:

int arr[10]; //declaring an array - If the array is only declared, the size of the array should be mentioned within the square braces.

int arr[] = {1,2,3};//declaration and initialization - Here the size of the array is optional. If the size is not specified, then size equal to the number of elements specified inside the curly braces is allotted to the array.

Individual array elements can also be initialized/changed using the subscript operator

Eg:

arr[0] = 4;

Answer 4

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Answer 5

Array is a group of memory of similar data types

Answer 6

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