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搜索关键字:bst    ( 4557个结果
UVA10304---(区间DP)
第一开始想着枚举根节点,然后记忆化搜索。。结果TLE,最后还是看了一眼题解瞬间明白了。。唉,还是思维太局限了由于数据是按照从小到大排列的,可以自然地组成一颗二叉排序树。设dp[i][j]是区间[i,j]的元素可以组成的BST的最小值,则大区间的结果和根节点以及小区间的结果有关系,很明显区间DP,转移...
分类:其他好文   时间:2015-09-23 10:08:38    阅读次数:222
Java for LeetCode 230 Kth Smallest Element in a BST
解题思路:直接修改中序遍历函数即可,JAVA实现如下:int res = 0; int k = 0; public int kthSmallest(TreeNode root, int k) { this.k = k; inorderTraversal(root); return res; }...
分类:编程语言   时间:2015-09-22 18:50:13    阅读次数:130
[LeetCode] Inorder Successor in BST
Problem Description:Given a binary search tree and a node in it, find the in-order successor of that node in the BST.Note: If the given node has no in...
分类:其他好文   时间:2015-09-22 18:28:52    阅读次数:171
[LeetCode] Inorder Successor in BST
Inorder Successor in BSTGiven a binary search tree and a node in it, find the in-order successor of that node in the BST.Note: If the given node has n...
分类:其他好文   时间:2015-09-22 16:04:13    阅读次数:144
[LeetCode#272] Closest Binary Search Tree Value II
Problem:Given a non-empty binary search tree and a target value, findkvalues in the BST that are closest to the target.Note:Given target value is a fl...
分类:其他好文   时间:2015-09-20 11:48:20    阅读次数:298
LeetCode -- Lowest Common Ancestor of a Binary Search Tree
Question: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 Wi...
分类:其他好文   时间:2015-09-20 11:39:08    阅读次数:175
[LeetCode 230] Kth Smallest Element in a BST
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: What if the BST ...
分类:其他好文   时间:2015-09-18 13:56:58    阅读次数:178
Leetcode Lowest Common Ancestor of a Binary Search Tree
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 Wikipedia: ...
分类:其他好文   时间:2015-09-17 06:20:37    阅读次数:159
[LeetCode]Binary Search Tree Iterator
Binary Search Tree IteratorImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callin...
分类:其他好文   时间:2015-09-16 23:20:13    阅读次数:171
Elven Postman(BST )
Elven PostmanTime Limit: 1500/1000 MS (Java/Others)Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 147Accepted Submission(s): 90Proble...
分类:其他好文   时间:2015-09-13 21:33:39    阅读次数:153
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