Completed Backtracking-2

[samikshm]

No description provided.

[super30admin]

Palindrome Partitioning Solution:

• The backtracking approach is correctly implemented with proper action/recurse/backtrack pattern
• The palindrome checking function is efficient with O(n) time complexity
• Base case correctly handles when pivot reaches end of string
• Deep copy using new ArrayList<>(path) is properly used when adding to result
• Code is clean and well-structured with clear comments

Subsets Solution:

• Backtracking pattern is correctly implemented
• Adding path to result at the start of each recursive call correctly captures all subsets
• Proper use of pivot index to avoid generating duplicate subsets
• Clean and readable code structure

Areas for Improvement:

1. In palindrome_partitioning.java, the variable name pivot is unconventional - start or index would be more commonly used
2. The palindrome checking could be optimized by checking characters only up to the middle, but current implementation is correct
3. No null/empty string edge case handling - though these may not be required by the problem constraints
4. Consider adding input validation for edge cases (e.g., null or empty string)

Time Complexity Analysis:

• Palindrome Partitioning: O(n * 2^n) is accurate given the substring creation and palindrome checks
• Subsets: O(n * 2^n) is correct for generating all 2^n subsets

Space Complexity Analysis:

• Both solutions correctly identify O(n) space complexity for the recursion stack and path list

Both solutions are correct, well-structured, and follow proper backtracking methodology.