【强化练习】用「遍历」思维解题 II

Prerequisites

Before reading this article, you need to learn:

• Basic Traversals of Binary Trees
• Dongge Takes You Through Binary Trees (Thought Process)
• Dongge Takes You Through Binary Trees (Summary)

If you are asked to manipulate certain nodes in a binary tree, generally, you can also use the traversal mindset directly.

Closest Binary Search Tree Value

Solution

Sum of Left Leaves

Solution

Add One Row to Tree

Solution

Flip Binary Tree To Match Preorder Traversal

Solution

Vertical Order Traversal of a Binary Tree

Solution

Cousins in Binary Tree

Solution

Sum of Nodes with Even-Valued Grandparent

Solution

Count Good Nodes in Binary Tree

Solution

Find All The Lonely Nodes

Solution

Find Nearest Right Node in Binary Tree

Solution

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