human
Maximize the bitwise OR of an array | Function to maximize the bitwise OR sum.
Compute x ^ k.
Find prefix bitwise OR.
Find suffix bitwise OR.
Find maximum OR value.
Drivers code"
Solution in Python:

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Give me a code to maximize the bitwise OR of an array and the other steps required?
assistant
#Here is code to maximize the bitwise OR of an array and the other steps required.
 def maxOR ( arr , n , k , x ) :
	preSum = [ 0 ] * ( n + 1 )
	suffSum = [ 0 ] * ( n + 1 )
	pow = 1
	for i in range ( 0 , k ) :
		pow *= x
	preSum [ 0 ] = 0
	for i in range ( 0 , n ) :
		preSum [ i + 1 ] = preSum [ i ] | arr [ i ]
	suffSum [ n ] = 0
	for i in range ( n - 1 , - 1 , - 1 ) :
		suffSum [ i ] = suffSum [ i + 1 ] | arr [ i ]
	res = 0
	for i in range ( 0 , n ) :
		res = max ( res , preSum [ i ] | ( arr [ i ] * pow ) suffSum [ i + 1 ] )
	return res
arr = [ 1 , 2 , 4 , 8 ]
n = len ( arr )
k = 2
x = 3
print ( maxOR ( arr , n , k , x ) )