Create and initialize a list implemented as a dynamic array.

$$ Write the structure definition for a list of integers implemented using a dynamic array.

$$ Structure name is ArrayList.

$$ Structure alias is ArrayList$\_$t$.$

$$ Structure members:

$$ array a pointer variable of type integer

$$ size a variable of type integer

$$ capacity a variable of type integer

$$ Allocate memory for the structure.

$$ Allocate memory for a dynamic array containing $($a maximum of$)$ four integers.

$$ Initialize each element of the array to $0.$

$$ Initialize each of the other members of the structure to their appropriate values.