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Length of array pair formed where one contains all distinct elements and other all same elements | Function to find the max size possible.
Counting the maximum frequency.
Counting total distinct elements.
Find max of both the answer.
Driver code"
Solution in Python:
assistant
#Here is code to length of array pair formed where one contains all distinct elements and other all same elements and the other steps required.
 def findMaxSize ( a , n ) :
	frq = [ 0 ] * ( n + 1 )
	for i in range ( n ) :
		frq [ a [ i ] ] += 1
	maxfrq = max ( frq )
	dist = n + 1 - frq . count ( 0 )
	ans1 = min ( maxfrq - 1 , dist )
	ans2 = min ( maxfrq , dist - 1 )
	ans = max ( ans1 , ans2 )
	return ans
arr = [ 4 , 2 , 4 , 1 , 4 , 3 , 4 ]
n = len ( arr )
print ( findMaxSize ( arr , n ) )