What distinguishes a purely ``functional'' programming language from an ``imperative'' one? (a) there are no variables and hence no assignment operation in a purely functional language. (b) a purely functional language lacks the ``go to'' statement, but an imperative language always has such a command. (c) all subprograms must be declared with the keyword function in a purely functional language. (d) there is no real difference, only a difference in the recommended coding style.

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Write a program that inserts the digits of an integer into an array in originalorderfollowed by reverse order. first, promptthe user to enter a positive integer(> 0). determine the number of digits of the integer. create a dynamically allocated integer arrayof a size twice the number of digits.now insert the digits in original order which will occupy half of the array. then, insert the digits in reverse order.finally, output thedigits in thearray.use at least two functions to organize your program.

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