C#:实现判断是否为二叉搜索树算法
以下是用 C# 实现判断一个二叉树是否为二叉搜索树的源代码:
using System;
public class TreeNode {
public int val;
public TreeNode left;
public TreeNode right
using System;
public class TreeNode {
public int val;
public TreeNode left;
public TreeNode right