how many different bst given n nodes?
Reference: http://stackoverflow.com/questions/3042412/with-n-no-of-nodes-how-many-different-binary-and-binary-search-trees-possib
Recursion:
t(0) = 1
t(1) = 1
t(2) = t(0)t(1) + t(1)t(0) = 2
t(3) = t(0)t(2) + t(1)t(1) + t(2)t(0) = 5
t(4) = t(0)t(3) + t(1)t(2) + t(2)t(1) + t(3)t(0) = 14
t(5) = t(0)t(4) + t(1)t(3) + t(2)t(2) + t(3)t(1) + t(4)t(0) = 42
...
how many different bst given n nodes?的更多相关文章
- 71 Query Rank Min Max Successor of BST
[本文链接] http://www.cnblogs.com/hellogiser/p/query-min-max-successor-of-bst.html [代码] C++ Code 12345 ...
- 70 数组的Kmin算法和二叉搜索树的Kmin算法对比
[本文链接] http://www.cnblogs.com/hellogiser/p/kmin-of-array-vs-kmin-of-bst.html [分析] 数组的Kmin算法和二叉搜索树的Km ...
- PAT1115:Counting Nodes in a BST
1115. Counting Nodes in a BST (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Y ...
- [Swift]LeetCode783. 二叉搜索树结点最小距离 | Minimum Distance Between BST Nodes
Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the ...
- [LeetCode] Minimum Distance Between BST Nodes 二叉搜索树中结点的最小距离
Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the ...
- A1115. Counting Nodes in a BST
A Binary Search Tree (BST) is recursively defined as a binary tree which has the following propertie ...
- PAT A1115 Counting Nodes in a BST (30 分)——二叉搜索树,层序遍历或者dfs
A Binary Search Tree (BST) is recursively defined as a binary tree which has the following propertie ...
- [LeetCode&Python] Problem 783. Minimum Distance Between BST Nodes
Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the ...
- PAT 甲级 1115 Counting Nodes in a BST
https://pintia.cn/problem-sets/994805342720868352/problems/994805355987451904 A Binary Search Tree ( ...
随机推荐
- T_SQL查询语句(一): 单表查询
############################################ 查询语句--SELECT ########################################## ...
- 最简单的linux内存清理方法
vmstat -s 查看剩余内存 然后用一下命令清理内存 echo 1 > /proc/sys/vm/drop_caches
- IE11仿真文档模式默认IE5 IE7的调整办法
<meta http-equiv="X-UA-Compatible" content="IE=edge">
- Javascript内存泄漏
Javascript内存泄漏 原文:http://point.davidglasser.net/2013/06/27/surprising-javascript-memory-leak.html 本周 ...
- C#基础之方法和参数
C#基础之方法和参数 接上一篇<C#基础之类型和成员基础以及常量.字段.属性> 实例方法.静态方法 C#中的方法分为两类,一种是属于对象(类型的实例)的,称之为实例方法,另一种是属于类型的 ...
- VS 2012 单元测试简单配置
写算法时大多依靠简单输入验证,经常遇到小范围输入正常,大范围或特殊情况输入结果错误的问题.所以写程序之前最好先想好几个特殊用例来测试,以验证算法是否正确.单元测试就是个不错的工具,而VS 2012提供 ...
- 利用jquery对ajax操作,详解原理(附代码)
1. jQuery load() 方法 jQuery load() 方法是简单但强大的 AJAX 方法. load() 方法从服务器加载数据,并把返回的数据放入被选元素中. 语法: $(selecto ...
- Android RecyclerView体验(一)- 简介
在网上关于RecyclerView的基本使用方式已经有了比较详细介绍,而且其设计结构也类似于ListView,所以本文将不重点介绍如何使用,在文末的引用中都可以相关内容.这里主要是介绍Recycler ...
- Js 获取当前月的天数
function getDays() { //构造当前日期对象 var date = new Date(); //获取年份 var year = date.getFullYear(); //获取当前月 ...
- C语言总结2
12).预处理指令 1. 什么叫做预处理代码. 以#开头的代码就是预处理代码 #warning #import 2. 手写1个C程序的步骤.(面试题) 1>编写代码 2>编译 1)执行. ...