Tree Traversal Pattern

Preorder, inorder, postorder, and level-order walks.

#Title
94Binary Tree Inorder Traversal
99Recover Binary Search Tree
144Binary Tree Preorder Traversal
145Binary Tree Postorder Traversal
220Contains Duplicate III
226Invert Binary Tree
230Kth Smallest Element in a BST
235Lowest Common Ancestor of a Binary Search Tree
270Closest Binary Search Tree Value
285Inorder Successor in BST
352Data Stream as Disjoint Intervals
426Convert Binary Search Tree to Sorted Doubly Linked List
427Construct Quad Tree
428Serialize and Deserialize N-ary Tree
429N-ary Tree Level Order Traversal
430Flatten a Multilevel Doubly Linked List
431Encode N-ary Tree to Binary Tree
449Serialize and Deserialize BST
450Delete Node in a BST
510Inorder Successor in BST II
529Minesweeper
530Minimum Absolute Difference in BST
536Construct Binary Tree from String
538Convert BST to Greater Tree
543Diameter of Binary Tree
545Boundary of Binary Tree
548Split Array with Equal Sum
563Binary Tree Tilt
572Subtree of Another Tree
606Construct String from Binary Tree
617Merge Two Binary Trees
623Add One Row to Tree
637Average of Levels in Binary Tree
655Print Binary Tree
663Equal Tree Partition
687Longest Univalue Path
776Split BST
783Minimum Distance Between BST Nodes
863All Nodes Distance K in Binary Tree
919Complete Binary Tree Inserter
1008Construct Binary Search Tree from Preorder Traversal
1022Sum of Root To Leaf Binary Numbers
1104Path In Zigzag Labelled Binary Tree
1257Smallest Common Region
1666Change the Root of a Binary Tree
1834Single-Threaded CPU
2196Create Binary Tree From Descriptions
2689Extract Kth Character From The Rope Tree
3526Range XOR Queries with Subarray Reversals