Removed Trailing whitespace and fix unindent does not match any outer indentation level

Refactor helper function to improve readability and maintainability. Adjusted bit manipulation logic and added comments for clarity.

Author: Arunanshu655

bit_manipulation/maximize_the_number_of_partitions_after_operations.py

@@ -1,28 +1,32 @@
 class Solution:
     def __init__(self):
         self.dp = {}
+
     def count_set_bits(self, n):
         count = 0
         while n > 0:
             count += n & 1
             n >>= 1
         return count
+
     def helper(self, s, k, i, mask, is_change):
         n = len(s)
         if i == n:
             return 1
         curr_state = (i << 27) | (mask << 1) | is_change
         if curr_state in self.dp:
             return self.dp[curr_state]
+
         result = 0
         val = ord(s[i]) - ord('a')
         count = self.count_set_bits(mask | (1 << val))
-        temp = 0
+
         if count > k:
             temp = 1 + self.helper(s, k, i + 1, 1 << val, is_change)
         else:
             temp = self.helper(s, k, i + 1, mask | (1 << val), is_change)
         result = max(result, temp)
+
         if is_change == 0:
             for j in range(26):
                 count = self.count_set_bits(mask | (1 << j))
@@ -31,10 +35,12 @@ def helper(self, s, k, i, mask, is_change):
                 else:
                     temp = self.helper(s, k, i + 1, mask | (1 << j), 1)
                 result = max(result, temp)
+
         self.dp[curr_state] = result
-        return result    
+        return result
+
     def max_partitions_after_operations(self, s, k):
-         """
+        """
         :type s: str
         :type k: int
         :rtype: int