human
Maximize array sum after K negations | Set 1 | Function to calculate sum of the array.
Iterate from 0 to n - 1.
Function to maximize sum.
Iterate from 0 to n - 1.
Driver Code.
Function Call"
Solution in Python:
 ... Can you provide a code to maximize array sum after K negations and the other steps required?
assistant
#Here is code to maximize array sum after K negations and the other steps required.
 def sumArray ( arr , n ) :
	sum = 0
	for i in range ( n ) :
		sum += arr [ i ]
	return sum
def maximizeSum ( arr , n , k ) :
	arr . sort ( )
	i = 0
	for i in range ( n ) :
		if ( k and arr [ i ] < 0 ) :
			arr [ i ] *= - 1
			k -= 1
			continue
		break
	if ( i == n ) :
		i -= 1
	if ( k == 0 or k % 2 == 0 ) :
		return sumArray ( arr , n )
	if ( i != 0 and abs ( arr [ i ] ) >= abs ( arr [ i - 1 ] ) ) :
		i -= 1
	arr [ i ] *= - 1
	return sumArray ( arr , n )
n = 5
k = 4
arr = [ - 3 , - 2 , - 1 , 5 , 6 ]
print ( maximizeSum ( arr , n , k ) )