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Lowest Common Ancestor of a Binary Search Tree
题目:Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on Wikipedi...
分类:其他好文   时间:2015-11-05 10:32:12    阅读次数:134
LeetCode Kth Smallest Element in a BST(数据结构)
题意: 寻找一棵BST中的第k小的数。思路: 递归比较方便。 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * ...
分类:其他好文   时间:2015-11-04 21:04:21    阅读次数:296
【LeetCode从零单刷】Kth Smallest Element in a BST
题目: Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note:  You may assume k is always valid, 1 ≤ k ≤ BST's total elements. Follow up: Wh...
分类:其他好文   时间:2015-10-30 10:52:12    阅读次数:170
Lowest Common Ancestor of a Binary Search Tree
package cn.edu.xidian.sselab;/*** title:Lowest Common Ancestor of a Binary Search Tree* content:* Given a binary search tree (BST), * find the lowest ...
分类:其他好文   时间:2015-10-29 00:42:52    阅读次数:215
LeetCode OJ:Recover Binary Search Tree(恢复二叉搜索树)
Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.首先是O(N)空间的方法,用递归: 1 /** 2 * Definit....
分类:其他好文   时间:2015-10-28 22:29:11    阅读次数:240
LeetCode OJ:Unique Binary Search Trees(唯一二叉搜索树)
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
分类:其他好文   时间:2015-10-27 13:15:16    阅读次数:242
Binary Search Tree BST Template
Use one queue + size variable 1 public class Solution { 2 public ArrayList> levelOrder(TreeNode root) { 3 ArrayList result = new ArrayList...
分类:其他好文   时间:2015-10-26 01:49:59    阅读次数:300
LeetCode OJ:Convert Sorted Array to Binary Search Tree(将排序好的数组转换成二叉搜索树)
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.讲一个排序好的数组转换成二叉搜索树,这题没想出来,基本上是参考别人的,边界条件应该注意一下: 1 /** ...
分类:编程语言   时间:2015-10-25 22:27:01    阅读次数:272
LeetCode OJ:Kth Smallest Element in a BST(二叉树中第k个最小的元素)
Given a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST's tota...
分类:其他好文   时间:2015-10-25 13:36:39    阅读次数:131
VC++ CButton::SetCheck 的使用方法
CButton::SetCheck void SetCheck(int nCheck); 参数 nCheck 指定检查状态。 此参数可以是下列值之一: 值 含义 BST_UNCHECKED 将按钮状态为未选中状态。 BST_CHECKED ...
分类:编程语言   时间:2015-10-23 18:33:42    阅读次数:256
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