如何查看网站是否被降权,wordpress漏洞改密码,网站研发公司,网站建设的安全防护方法《LeetCode力扣练习》代码随想录——二叉树#xff08;二叉搜索树的最小绝对差—Java#xff09; 刷题思路来源于 代码随想录 530. 二叉搜索树的最小绝对差 二叉树-中序遍历 /*** Definition for a binary tree node.* public class TreeNode {* int val;* TreeNode left;* T…《LeetCode力扣练习》代码随想录——二叉树二叉搜索树的最小绝对差—Java 刷题思路来源于 代码随想录 530. 二叉搜索树的最小绝对差 二叉树-中序遍历 /*** Definition for a binary tree node.* public class TreeNode {* int val;* TreeNode left;* TreeNode right;* TreeNode() {}* TreeNode(int val) { this.val val; }* TreeNode(int val, TreeNode left, TreeNode right) {* this.val val;* this.left left;* this.right right;* }* }*/
class Solution {private int result Integer.MAX_VALUE;private TreeNode pre null;public int getMinimumDifference(TreeNode root) {recursion(root);return result;}private void recursion(TreeNode root) {if (root null) {return;}recursion(root.left);if (pre ! null) {int diff root.val - pre.val;result diff result ? diff : result;}pre root;recursion(root.right);return;}
}
