human
Queries on XOR of greatest odd divisor of the range | Precompute the prefix XOR of greatest odd divisor.
Finding the Greatest Odd divisor.
Finding prefix XOR.
Return XOR of the range.
Driver Code"
How can the above be solved in Python?
 ... What is a code to queries on XOR of greatest odd divisor of the range and the other steps required?
assistant
#Here is code to queries on XOR of greatest odd divisor of the range and the other steps required.
 def prefixXOR ( arr , preXOR , n ) :
	for i in range ( 0 , n , 1 ) :
		while ( arr [ i ] % 2 != 1 ) :
			arr [ i ] = int ( arr [ i ] / 2 )
		preXOR [ i ] = arr [ i ]
	for i in range ( 1 , n , 1 ) :
		preXOR [ i ] = preXOR [ i - 1 ] ^ preXOR [ i ]
def query ( preXOR , l , r ) :
	if ( l == 0 ) :
		return preXOR [ r ]
	else :
		return preXOR [ r ] ^ preXOR [ l - 1 ]
if __name__ == ' _ _ main _ _ ' :
	arr = [ 3 , 4 , 5 ]
	n = len ( arr )
	preXOR = [ 0 for i in range ( n ) ]
	prefixXOR ( arr , preXOR , n )
	print ( query ( preXOR , 0 , 2 ) )
	print ( query ( preXOR , 1 , 2 ) )