Difference between size declarator and subscript of an array:

Size declarator of an array Subscript of an array
An array size declarator describes the number of elements that the array contains. An array subscript specifies the position of the element to get access from the array.

For example:

/Declaring the size of the array/

int array1= 10

For example:

/Declaring the subscript of the array/

int a[]= 10;

int a[0]=3;
From the above example, the array variable “array1” contains 10 elements in it. From the above example, the array “a[]” contains ten elements in it. The subscript of the array “a[0]”, that is, the first position of array “a[]” is assigned with the value “3”.

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Size declarator of an array	Subscript of an array
An array size declarator describes the number of elements that the array contains.	An array subscript specifies the position of the element to get access from the array.
For example: /Declaring the size of the array/ int array1= 10	For example: /Declaring the subscript of the array/ int a[]= 10; int a[0]=3;
From the above example, the array variable “array1” contains 10 elements in it.	From the above example, the array “a[]” contains ten elements in it. The subscript of the array “a[0]”, that is, the first position of array “a[]” is assigned with the value “3”.