human
Find maximum value of the last element after reducing the array with given operations | Function to return the maximized value.
Overall minimum absolute value of some element from the array.
Add all absolute values.
Count positive and negative elements.
Both positive and negative values are present.
Only positive or negative values are present.
Driver code"
Solution in Python:
 Can you provide a code to find maximum value of the last element after reducing the array with given operations and the other steps required?
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#Here is code to find maximum value of the last element after reducing the array with given operations and the other steps required.
 def find_maximum_value ( a , n ) :
	sum = 0
	minimum = 10 ** 9
	pos = 0
	neg = 0
	for i in range ( n ) :
		minimum = min ( minimum , abs ( a [ i ] ) )
		sum += abs ( a [ i ] )
		if ( a [ i ] >= 0 ) :
			pos += 1
		else :
			neg += 1
	if ( pos > 0 and neg > 0 ) :
		return sum
	return ( sum - 2 * minimum )
a = [ 5 , 4 , 6 , 2 ]
n = len ( a )
print ( find_maximum_value ( a , n ) )