LeetCode_二叉搜索树_中等_96.不同的二叉搜索树

星许辰发布时间：2022-04-06 18:48:40 ，浏览量：0

1.题目
2.思路
3.代码实现（Java）

1.题目

给你一个整数 n ，求恰由 n 个节点组成且节点值从 1 到 n 互不相同的二叉搜索树有多少种？返回满足题意的二叉搜索树的种数。

示例 1：

在这里插入图片描述

输入：n = 3 输出：5

示例 2：输入：n = 1 输出：1

提示： 1

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