I'm still building confidence with data structures. Linked lists, stacks, queues, heaps, and recursion mostly make sense to me, but binary trees are where I get stuck—especially understanding…
I'm still struggling with data structures. Linked lists, stacks, queues, heaps, and recursion generally make sense to me, but binary trees haven't clicked—especially the recursive approach. Could you…
I'm working on the maximum depth of a binary tree problem and wrote this TypeScript solution: function maxDepth(root: TreeNode | null): number { if (root == null) {…