human
Maximum size of sub | Function that compares a and b.
Function to return length of longest subarray that satisfies one of the given conditions.
Driver program.
Print the required answer"
How can the above be solved in Python?
assistant
#Here is code to maximum size of sub and the other steps required.
 def cmp ( a , b ) :
	return ( a > b ) - ( a < b )
def maxSubarraySize ( arr ) :
	N = len ( arr )
	ans = 1
	anchor = 0
	for i in range ( 1 , N ) :
		c = cmp ( arr [ i - 1 ] , arr [ i ] )
		if c == 0 :
			anchor = i
		elif i == N - 1 or c * cmp ( arr [ i ] , arr [ i + 1 ] ) != - 1 :
			ans = max ( ans , i - anchor + 1 )
			anchor = i
	return ans
arr = [ 9 , 4 , 2 , 10 , 7 , 8 , 8 , 1 , 9 ]
print ( maxSubarraySize ( arr ) )