红烧带鱼好吃
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题解 | #树的子结构#
/** public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { this.val = v...
递归
2022-06-05
0
188
题解 | #二叉搜索树的第k个节点#
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
自顶向下
递归
2022-06-04
0
163
题解 | #二叉树中和为某一值的路径(一)#
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * } */ // 递归,把sum根据本级节点的...
递归
2022-05-23
0
203
题解 | #二叉树的镜像(基础版)#
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
递归
2022-05-21
0
197
题解 | #二叉树的深度#
/** public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { this.val = v...
递归
二叉树
2022-05-19
0
204