human
Maximize sum of Bitwise AND of same | Function to calculate sum of Bitwise AND of same indexed elements of the arrays p [ ] and arr [ ].
Stores the resultant sum.
Traverse the array.
Update sum of Bitwise AND.
Return the value obtained.
Function to generate all permutations and calculate the maximum sum of Bitwise AND of same indexed elements present in any permutation and an array arr [ ].
If the size of the array is N.
Calculate cost of permutation.
Generate all permutations.
Update chosen [ i ].
Update the permutation p [ ].
Generate remaining permutations.
Return the resultant sum.
Function to find the maximum sum of Bitwise AND of same indexed elements in a permutation of first N natural numbers and arr [ ].
Stores the resultant maximum sum.
Stores the generated permutation P.
Function call to store result.
Print the result.
Driver Code.
Function Call"
How can the above be solved in Python?
assistant
#Here is code to maximize sum of Bitwise AND of same and the other steps required.
 def calcScore ( p , arr ) :
	ans = 0
	for i in range ( len ( arr ) ) :
		ans += ( p [ i ] & arr [ i ] )
	return ans
def getMaxUtil ( p , arr , ans , chosen , N ) :
	if len ( p ) == N :
		ans = max ( ans , calcScore ( p , arr ) )
		return ans
	for i in range ( N ) :
		if chosen [ i ] :
			continue
		chosen [ i ] = True
		p . append ( i )
		ans = getMaxUtil ( p , arr , ans , chosen , N )
		chosen [ i ] = False
		p . pop ( )
	return ans
def getMax ( arr , N ) :
	ans = 0
	chosen = [ False for i in range ( N ) ]
	p = [ ]
	res = getMaxUtil ( p , arr , ans , chosen , N )
	print ( res )
if __name__ == ' _ _ main _ _ ' :
	arr = [ 4 , 2 , 3 , 6 ]
	N = len ( arr )
	getMax ( arr , N )