human
Choose an integer K such that maximum of the xor values of K with all Array elements is minimized | Function to calculate Minimum possible value of the Maximum XOR in an array.
base case.
Divide elements into two sections.
Traverse all elements of current section and divide in two groups.
Check if one of the sections is empty.
explore both the possibilities using recursion.
Function to calculate minimum XOR value.
Start recursion from the most significant pos position.
Driver code"
How can the above be solved in Python?
assistant
#Here is code to choose an integer K such that maximum of the xor values of K with all Array elements is minimized and the other steps required.
 def calculate ( section , pos ) :
	if ( pos < 0 ) :
		return 0
	on_section = [ ]
	off_section = [ ]
	for el in section :
		if ( ( ( el >> pos ) & 1 ) == 0 ) :
			off_section . append ( el )
		else :
			on_section . append ( el )
	if ( len ( off_section ) == 0 ) :
		return calculate ( on_section , pos - 1 )
	if ( len ( on_section ) == 0 ) :
		return calculate ( off_section , pos - 1 )
	return min ( calculate ( off_section , pos - 1 ) , calculate ( on_section , pos - 1 ) ) + ( 1 << pos )
def minXorValue ( a , n ) :
	section = [ ]
	for i in range ( n ) :
		section . append ( a [ i ] ) ;
	return calculate ( section , 30 )
if __name__ == " _ _ main _ _ " :
	N = 4
	A = [ 3 , 2 , 5 , 6 ]
	print ( minXorValue ( A , N ) )