human
Make all strings from a given array equal by replacing minimum number of characters | Function to find the minimum count of operations required to make all Strings equal by replacing characters of Strings.
Stores minimum count of operations required to make all Strings equal.
Stores length of the String.
hash [ i ] [ j ] : Stores frequency of character i present at j - th index of all Strings.
Traverse the array arr.
Iterate over characters of current String.
Update frequency of arr [ i ] [ j ].
Traverse hash array.
Stores sum of i - th column.
Stores the largest element of i - th column.
Iterate over all possible characters.
Update Sum.
Update Max.
Update cntMinOP.
Driver Code.
Function call"
Solution in Python:
 ... What is a code to make all strings from a given array equal by replacing minimum number of characters and the other steps required?
assistant
#Here is code to make all strings from a given array equal by replacing minimum number of characters and the other steps required.
 def minOperation ( arr , N ) :
	cntMinOP = 0 ;
	M = len ( arr [ 0 ] ) ;
	hash = [ [ 0 for i in range ( M ) ] for j in range ( 256 ) ] ;
	for i in range ( N ) :
		for j in range ( M ) :
			hash [ ord ( arr [ i ] [ j ] ) ] [ j ] += 1 ;
	for i in range ( M ) :
		Sum = 0 ;
		Max = 0 ;
		for j in range ( 256 ) :
			Sum += hash [ j ] [ i ] ;
			Max = max ( Max , hash [ j ] [ i ] ) ;
		cntMinOP += ( Sum - Max ) ;
	return cntMinOP ;
if __name__ == ' _ _ main _ _ ' :
	arr = [ " abcd " , " bcde " , " cdef " ] ;
	N = len ( arr ) ;
	print ( minOperation ( arr , N ) ) ;