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Maximize the sum of array after multiplying a prefix and suffix by | Kadane 's algorithm to find the maximum subarray sum.
Loop to find the maximum subarray array sum in the given array.
Function to find the maximum sum of the array by multiplying the prefix and suffix by - 1.
Total intital sum.
Loop to find the maximum sum of the array.
Maximum value.
Driver Code"
Solution in Python:
assistant
#Here is code to maximize the sum of array after multiplying a prefix and suffix by and the other steps required.
 def maxSubArraySum ( a , size ) :
	max_so_far = - 10 ** 9
	max_ending_here = 0
	for i in range ( size ) :
		max_ending_here = max_ending_here + a [ i ]
		if ( max_ending_here < 0 ) :
			max_ending_here = 0
		if ( max_so_far < max_ending_here ) :
			max_so_far = max_ending_here
	return max_so_far
def maxSum ( a , n ) :
	S = 0
	for i in range ( n ) :
		S += a [ i ]
	X = maxSubArraySum ( a , n )
	return 2 * X - S
if __name__ == ' _ _ main _ _ ' :
	a = [ - 1 , - 2 , - 3 ]
	n = len ( a )
	max_sum = maxSum ( a , n )
	print ( max_sum )