Tag #tree
- (Leetcode) 323 - Number of Connected Components in an Undirected Graph
- (Leetcode) 261 - Graph Valid Tree
- (Leetcode) 211 - Design Add and Search Words Data Structure (Trie)
- (Leetcode) 39 - Combination Sum
- (Leetcode) 230 - Kth Smallest Element in a BST
- (Leetcode) 208 - Implement Trie (Prefix Tree)
- (Leetcode) 105 - Construct Binary Tree from Preorder and Inorder Traversal
- (Leetcode) 98 - Validate Binary Search Tree
- (Leetcode) 235 - Lowest Common Ancestor of a Binary Search Tree
- (Leetcode) 102 - Binary Tree Level Order Traversal
- (Leetcode) 572 - Subtree of Another Tree
- (Leetcode) 297 - Serialize and Deserialize Binary Tree
- (Leetcode) 104 - Maximum Depth of Binary Tree