19 lessons · DSA pattern
Trees
Trees are where Foundation 7 (Recursion) finally clicks. You've also already used a queue — that's the BFS engine. You already learned: Recursion — The Lea…
- Trees — Overview→
- LC-104. Maximum Depth of Binary Tree→
- LC-226. Invert Binary Tree→
- LC-100. Same Tree→
- LC-572. Subtree of Another Tree→
- LC-543. Diameter of Binary Tree→
- LC-110. Balanced Binary Tree→
- LC-236. Lowest Common Ancestor of a Binary Tree→
- LC-102. Binary Tree Level Order Traversal→
- LC-199. Binary Tree Right Side View→
- LC-1448. Count Good Nodes in Binary Tree→
- LC-98. Validate Binary Search Tree→
- LC-230. Kth Smallest Element in a BST→
- LC-124. Binary Tree Maximum Path Sum→
- LC-297. Serialize and Deserialize Binary Tree→
- LC-105. Construct Binary Tree from Preorder and Inorder→
- LC-106. Construct Binary Tree from Inorder and Postorder→
- LC-987. Vertical Order Traversal→
- Trees Review→