Tag: a-tree

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

• LeetCode 863 All Nodes Distance K in Binary Tree

  16 Aug, 2026

  Solutions for LeetCode 863, medium, tags: tree, DFS, BFS, binary tree.

• LeetCode 337 House Robber III

  4 Aug, 2026

  Solutions for LeetCode 337, medium, tags: tree, dfs, dynamic programming, binary tree.

• LeetCode 437 Path Sum III

  23 Jul, 2026

  Solutions for LeetCode 437, medium, tags: tree, depth-first search, binary tree, prefix sum, hash table.

• LeetCode 543 Diameter of Binary Tree

  20 Jul, 2026

  Solutions for LeetCode 543, easy, tags: tree, depth-first search, binary tree.

• LeetCode 297 Serialize and Deserialize Binary Tree

  11 Jun, 2026

  Solutions for LeetCode 297, hard, tags: string, tree, binary tree, design, dfs, bfs.

• LeetCode 102 Binary Tree Level Order Traversal

  10 Jun, 2026

  Solutions for LeetCode 102, medium, tags: tree, breadth-first search, depth-first search, binary tree.