Completed Trees-1

[sarvanibaru]

No description provided.

[super30admin]

Your solution for ValidateBST.java is correct and efficient. You have correctly implemented an in-order traversal to validate the BST, and your time and space complexity analysis is accurate. The code is clean and well-commented.

However, note that you included an unrelated solution (ConstructBinaryTreeFromPre-InOrderTraversal) in the same file. For future submissions, ensure that you only include the solution for the problem you are solving. This helps in maintaining clarity and avoids confusion.

One optimization you could consider is to stop the recursion as soon as the flag becomes false to avoid unnecessary traversals. For example, you could add a check after the left recursion to return early if flag is false, and similarly after updating the flag in the comparison. However, this is a minor improvement and not strictly necessary.

Overall, great job on the solution!