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Find first k natural numbers missing in given array | Prints first k natural numbers in arr [ 0. . n - 1 ].
Find first positive number.
Now find missing numbers between array elements.
Find missing numbers after maximum ..
Driver code"
Solution in Python:

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Write me a code to find first k natural numbers missing in given array and the other steps required?
assistant
#Here is code to find first k natural numbers missing in given array and the other steps required.
 def printKMissing ( arr , n , k ) :
	arr . sort ( )
	i = 0
	while ( i < n and arr [ i ] <= 0 ) :
		i = i + 1
	count = 0
	curr = 1
	while ( count < k and i < n ) :
		if ( arr [ i ] != curr ) :
			print ( str ( curr ) + " ▁ " , end = ' ' )
			count = count + 1
		else :
			i = i + 1
		curr = curr + 1
	while ( count < k ) :
		print ( str ( curr ) + " ▁ " , end = ' ' )
		curr = curr + 1
		count = count + 1
arr = [ 2 , 3 , 4 ]
n = len ( arr )
k = 3
printKMissing ( arr , n , k ) ;