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"
Solution in Python:
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 ) )