human
Lexicographically largest string possible by reversing substrings having even number of 1 s | Function to find the lexicographically maximum string by reversing substrings having even numbers of 1 s.
Store size of string.
Traverse the string.
Count the number of 1 s.
Stores the starting index.
Stores the end index.
Increment count , when 1 is encountered.
Traverse the remaining string.
temp is for Reverse the string from starting and end index.
Printing the string.
Driver Code"
How can the above be solved in Python?
assistant
#Here is code to lexicographically largest string possible by reversing substrings having even number of 1 s and the other steps required.
 def lexicographicallyMax ( s ) :
	n = len ( s )
	for i in range ( n ) :
		count = 0
		beg = i
		end = i
		if ( s [ i ] == '1' ) :
			count += 1
		for j in range ( i + 1 , n ) :
			if ( s [ j ] == '1' ) :
				count += 1
			if ( count % 2 == 0 and count != 0 ) :
				end = j
				break
		temp = s [ beg : end + 1 ]
		temp = temp [ : : - 1 ]
		s = s [ 0 : beg ] + temp + s [ end + 1 : ]
	print ( s )
S = "0101"
lexicographicallyMax ( S )