今日计划 | DFS Tree

搜集DFS资源,以及针对经典题开刷。

Leetcode

• 226. Invert Binary Tree
• 104. Maximum Depth of Binary Tree
• 559. Maximum Depth of N-ary Tree
• 110. Balanced Binary Tree
• 257. Binary Tree Paths
• 114. Flatten the Binary Tree to Linked List
• 270. Closest Binary Search Tree Value
• 235 Lowest Common Ancestor of a Binary Search Tree
• 236 Lowest Common Ancestor of a Binary Tree
• 230. Kth Smallest Element in a BST
• 98. Validate Binary Search Tree