Write a C program that converts a 5-bit binary number given by the user, to decimal according to following instructions: * The program must contain a global array named binary_array. ** The program must contain a function named digits that assign each digit of the binary number to elements of binary_array. *** The program must contain a function named convert that converts the binary number, which is stored in binary_array, to decimal and returns the decimal value. **** The program must contain a recursive function named powerof that calculates powers of a number.