2096. 二叉树中从一个节点到另一个节点的逐步指令
Medium | String, Tree, Depth-First Search, Binary Tree
Tree
2196. 根据描述创建二叉树
Medium | Array, Hash Table, Tree, Binary Tree
2236. 根节点等于子节点之和
Easy | Tree, Binary Tree
2246. 相邻字符不同的最长路径
Hard | Array, String, Tree, Depth-First Search, Graph Theory, Topological Sort
2265. 统计子树中节点与子树平均值相等的节点数
Medium | Tree, Depth-First Search, Binary Tree
2322. 移除树中边的最小分数
Hard | Array, Bit Manipulation, Tree, Depth-First Search
2331. 计算布尔二叉树
Easy | Tree, Depth-First Search, Binary Tree
2368. 有限制的可达节点数
Medium | Array, Hash Table, Tree, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory
2385. 二叉树感染需要的时间
Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Tree
2415. 反转二叉树奇数层
Medium | Tree, Depth-First Search, Breadth-First Search, Binary Tree