Given a binary tree, determine if it is a valid binary search tree (BST). Let's discuss more about some of the inputs.
We consider the approach to keep track of minimum and maximum values allowed for any node. The program performs the in-order traversal and in each recursive call, minimum and maximum range is passed. The range checks whether the current node’s value is within the given range.
You've successfully subscribed to Coding Today
Great! Next, complete checkout for full access to Coding Today
Welcome back! You've successfully signed in.
Unable to sign you in. Please try again.
Success! Your account is fully activated, you now have access to all content.