Completed BFS-1

[Nikesh46]

No description provided.

[super30admin]

Strengths:

• You provided two solutions, showing a good understanding of both DFS and BFS approaches.
• The BFS solution (Solution 2) is efficient and matches the reference solution in terms of time and space complexity.
• The code is clean and well-commented, making it easy to understand.

Areas for Improvement:

• Avoid including solutions for other problems in the same file. Each problem should have its own dedicated file to maintain clarity and organization.
• While the DFS solution (Solution 1) is correct, it has a space complexity that is not O(1) as claimed. The space complexity for the DFS solution is O(h) for the recursion stack (where h is the height of the tree), and the output list is O(n). The claim of O(1) space is incorrect; it should be O(h) for the recursion stack (which in the worst case is O(n)) and O(n) for the output. Be careful when stating space complexity.
• For the DFS solution, note that it might not be as efficient in terms of constant factors compared to BFS for level order traversal, but it is a valid alternative.

Overall, your solution for the Level Order Traversal problem is correct and efficient. Just be mindful of organizing your code and accurately analyzing space complexity.