Tree

Binary trees, BSTs, traversals & common patterns

23 Problems
⌘K
#
Problem
Difficulty
Actions
01.
Binary Tree Inorder Traversal
Easy
Visualize
02.
Binary Tree Preorder Traversal
Easy
Visualize
03.
Binary Tree Postorder Traversal
Easy
Visualize
04.
Left View of Binary Tree
Easy
Visualize
05.
Bottom View of Binary Tree
Medium
Visualize
06.
Top View of Binary Tree
Medium
Visualize
07.
Preorder Inorder Postorder in One Traversal
Medium
Visualize
08.
Vertical Order Traversal of a Binary Tree
Hard
Visualize
09.
Root to Node Path in Binary Tree
Medium
Visualize
10.
Maximum Width of Binary Tree
Medium
Visualize
11.
Binary Tree Level Order Traversal
Medium
Visualize
12.
Maximum Depth of Binary Tree
Easy
Visualize
13.
Diameter of Binary Tree
Easy
Visualize
14.
Balanced Binary Tree
Easy
Visualize
15.
Lowest Common Ancestor of a Binary Tree
Medium
Visualize
16.
Same Tree
Easy
Visualize
17.
Binary Tree Zigzag Level Order Traversal
Medium
Visualize
18.
Boundary Traversal of Binary Tree
Medium
Visualize
19.
Symmetric Tree
Easy
Visualize
20.
Construct Binary Tree from Preorder and Inorder Traversal
Medium
Visualize
21.
Construct Binary Tree from Inorder and Postorder Traversal
Medium
Visualize
22.
Flatten Binary Tree to Linked List
Medium
Visualize
23.
Convert Binary Search Tree to Sorted Doubly Linked List
Medium
Visualize