human
What is a code to maximum Subarray Sum possible by replacing an Array element by its Square and the other steps required given the following:
Maximum Subarray Sum possible by replacing an Array element by its Square | Function to find the maximum subarray sum possible.
Stores sum without squaring.
Stores sum squaring.
Stores the maximum subarray sum.
Either extend the subarray or start a new subarray.
Either extend previous squared subarray or start a new subarray by squaring the current element.
Update maximum subarray sum.
Return answer.
Driver Code.
Function call"
How can the above be solved in Python?
assistant
#Here is code to maximum Subarray Sum possible by replacing an Array element by its Square and the other steps required.
 def getMaxSum ( a , n ) :
	dp = [ [ 0 for x in range ( 2 ) ] for y in range ( n ) ]
	dp [ 0 ] [ 0 ] = a [ 0 ]
	dp [ 0 ] [ 1 ] = a [ 0 ] * a [ 0 ]
	max_sum = max ( dp [ 0 ] [ 0 ] , dp [ 0 ] [ 1 ] )
	for i in range ( 1 , n ) :
		dp [ i ] [ 0 ] = max ( a [ i ] , dp [ i - 1 ] [ 0 ] + a [ i ] )
		dp [ i ] [ 1 ] = max ( dp [ i - 1 ] [ 1 ] + a [ i ] , a [ i ] * a [ i ] )
		dp [ i ] [ 1 ] = max ( dp [ i ] [ 1 ] , dp [ i - 1 ] [ 0 ] + a [ i ] * a [ i ] )
		max_sum = max ( max_sum , dp [ i ] [ 1 ] )
		max_sum = max ( max_sum , dp [ i ] [ 0 ] )
	return max_sum
n = 5
a = [ 1 , - 5 , 8 , 12 , - 8 ]
print ( getMaxSum ( a , n ) )