449. 序列化和反序列化二叉搜索树
Medium | String, Tree, Depth-First Search, Breadth-First Search, Design, Binary Search Tree, Binary Tree
Breadth-First Search
100. 相同的树
Easy | Tree, Depth-First Search, Breadth-First Search, Binary Tree
101. 对称二叉树
Easy | Tree, Depth-First Search, Breadth-First Search, Binary Tree
102. 二叉树的层序遍历
Medium | Tree, Breadth-First Search, Binary Tree
103. 二叉树的锯齿形层序遍历
Medium | Tree, Breadth-First Search, Binary Tree
104. 二叉树的最大深度
Easy | Tree, Depth-First Search, Breadth-First Search, Binary Tree
107. 二叉树的层序遍历 II
Medium | Tree, Breadth-First Search, Binary Tree
111. 二叉树的最小深度
Easy | Tree, Depth-First Search, Breadth-First Search, Binary Tree
112. 路径总和
Easy | Tree, Depth-First Search, Breadth-First Search, Binary Tree
116. 填充每个节点的下一个右侧节点指针
Medium | Linked List, Tree, Depth-First Search, Breadth-First Search, Binary Tree