One of the important operations on a BST is to find a way to traverse all the nodes in the tree. As we know traversing a linked list or array is easy. We just start from the first node and traverse ...

-NOTES- ∙ Trees are one of the most popular interview topics. Knowing these terms will pay tenfold. ∙If you choose recursive DFS route and finish it too early, you may be asked to implement the ...

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Longest Univalue Path** 🔷 Problem Summary Given a binary tree, find the length of the longest path where: Every node in the path has the same value Path can start and end anywhere in the tree Length ...