Tag: a-tree

All the articles with the tag "a-tree".

• LeetCode 2415 Reverse Odd Levels of Binary Tree

  18 Dec, 2024

  Solutions for LeetCode 239, hard, tags: array, queue, sliding window, heap, monotonic queue.

• Rust Option, Rc, and RefCell Explained - LeetCode Tree Node and LinkedList Node

  11 Dec, 2024

  Explanation for rust data structure for tree node and linked list node. What is Rc and RefCell? Why Option<Rc<RefCell>>> three wrappers? How to avoid circular reference?

• LeetCode 1650 LintCode 474 Lowest Common Ancestor of a Binary Tree III

  9 Dec, 2024

  Solutions for LeetCode 1650 LintCode 474, medium, tags: binary tree, hash table, two pointers; companies: microsoft.

• LeetCode 314 LintCode 651 Binary Tree Vertical Order Traversal

  Updated: 10 Nov, 2024

  solutions for LeetCode 314 LintCode 651 Binary Tree Vertical Order Traversal, tags: hash, bfs, tree, companies: facebook google