Trees
34 problems. Tick each as you solve it.
0 / 34 solved
- easy Average of Levels in Binary Tree source ↗
- easy Balanced Binary Tree source ↗
- easy Convert Sorted Array to Binary Search Tree source ↗
- easy Diameter of Binary Tree source ↗
- easy Invert Binary Tree source ↗
- easy Leaf-Similar Trees source ↗
- easy Maximum Depth of Binary Tree source ↗
- easy Minimum Absolute Difference in BST source ↗
- easy Path Sum source ↗
- easy Same Tree source ↗
- easy Search in a Binary Search Tree source ↗
- easy Subtree of Another Tree source ↗
- easy Symmetric Tree source ↗
- medium Binary Search Tree Iterator source ↗
- medium Binary Tree Level Order Traversal source ↗
- medium Binary Tree Right Side View source ↗
- medium Binary Tree Zigzag Level Order Traversal source ↗
- medium Construct Binary Tree from Inorder and Postorder Traversal source ↗
- medium Construct Binary Tree from Preorder and Inorder Traversal source ↗
- medium Construct Quad Tree source ↗
- medium Count Complete Tree Nodes source ↗
- medium Count Good Nodes in Binary Tree source ↗
- medium Delete Node in a BST source ↗
- medium Flatten Binary Tree to Linked List source ↗
- medium Kth Smallest Element in a BST source ↗
- medium Lowest Common Ancestor of a Binary Search Tree source ↗
- medium Lowest Common Ancestor of a Binary Tree source ↗
- medium Maximum Level Sum of a Binary Tree source ↗
- medium Path Sum III source ↗
- medium Populating Next Right Pointers in Each Node II source ↗
- medium Sum Root to Leaf Numbers source ↗
- medium Validate Binary Search Tree source ↗
- hard Binary Tree Maximum Path Sum source ↗
- hard Serialize and Deserialize Binary Tree source ↗