Which of the following tree traversals is used to create a copy of a binary tree?
In a binary search tree (BST), the minimum element is always present at:
Which of the following statements about disjoint-set union (DSU) is true?
Given the following array of elements: [3, 2, 5, 4, 1]. After performing the Fenwick Tree (Binary Indexed Tree) construction, what would be the value of the Fenwick Tree array at index 3?
What is the maximum number of children a node can have in a binary tree?
Which traversal visits the nodes of a binary tree in the order: left subtree, root, right subtree?
Which of the following operations cannot be performed efficiently on a binary heap?
Which of the following is not a self-balancing binary search tree?
What is the maximum number of edges in a binary tree with n nodes?
Which of the following operations cannot be performed on a trie data structure?
Which of the following is not a common use case for a binary search tree (BST)?