Tag: a-tree

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

• LeetCode 2415 Reverse Odd Levels of Binary Tree

  Published:Dec 18, 2024 |  at 06:23 AM

  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

  Published:Dec 11, 2024 |  at 07:23 AM

  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

  Published:Dec 9, 2024 |  at 07:23 AM

  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:Nov 10, 2024 |  at 10:12 AM

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