human
Maximum modified Array sum possible by choosing elements as per the given conditions | Function that finds the maximum sum of the array elements according to the given condition.
Sort the array.
Take the max value from the array.
Iterate from the end of the array.
Check for the number had come before or not.
Take the value which is not occured already.
Change max to new value.
Return the maximum sum.
Driver code.
Given array arr [ ].
Function call"
Solution in Python:

=====
Give me a code to maximum modified Array sum possible by choosing elements as per the given conditions and the other steps required?
assistant
#Here is code to maximum modified Array sum possible by choosing elements as per the given conditions and the other steps required.
 def findMaxValue ( arr , n ) :
	arr . sort ( )
	ans = arr [ n - 1 ]
	maxPossible = arr [ n - 1 ]
	for i in range ( n - 2 , - 1 , - 1 ) :
		if ( maxPossible > 0 ) :
			if ( arr [ i ] >= maxPossible ) :
				ans += ( maxPossible - 1 )
				maxPossible = maxPossible - 1
			else :
				maxPossible = arr [ i ]
				ans += maxPossible
	return ans
if __name__ == ' _ _ main _ _ ' :
	arr = [ 4 , 4 , 1 , 5 ]
	n = len ( arr )
	print ( findMaxValue ( arr , n ) )