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A1064. Complete Binary Search Tree (30)
A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:The left subtree of a node contains only nodes w...
分类:其他好文   时间:2015-03-09 00:24:54    阅读次数:207
LeetCode Unique Binary Search Trees
1.题目Given n, how many structurally unique BST's (binary search trees) that store values 1...n?For example,Given n = 3, there are a total of 5 unique BST's. 1 3 3 2 1 \ ...
分类:其他好文   时间:2015-03-08 20:13:09    阅读次数:116
LeetCode Convert Sorted Array to Binary Search Tree
1.题目Given an array where elements are sorted in ascending order, convert it to a height balanced BST.2.解决方案1 struct Node{ TreeNode* t; int l; int r; Node(vector &num, int l, int r)...
分类:其他好文   时间:2015-03-08 10:28:52    阅读次数:148
二叉搜索树中两个节点的旋转
struct TreeNode{ //... PTreeNode& Child (Direction dir) { return dir == left? leftChild : rightChild; }};class BST{private: // ... ...
分类:其他好文   时间:2015-03-07 21:15:36    阅读次数:120
leetcode_108_Convert Sorted Array to Binary Search Tree
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢 Convert Sorted Array to Binary Search Tree Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 这道题是二分查找树的题目,要把一个有序数组转换...
分类:其他好文   时间:2015-03-07 14:15:44    阅读次数:130
A1043. Is It a Binary Search Tree (25)
Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:The left subtree of a node contains only nodes wit...
分类:其他好文   时间:2015-03-06 23:33:39    阅读次数:201
Convert Sorted Array to Binary Search Tree
Convert Sorted Array to Binary Search Tree问题:Given an array where elements are sorted in ascending order, convert it to a height balanced BST.思路: 递归,....
分类:其他好文   时间:2015-03-06 18:29:42    阅读次数:131
1043. Is It a Binary Search Tree
A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes with keys less than the node's key. The righ...
分类:其他好文   时间:2015-03-05 17:08:50    阅读次数:178
LeetCode[Tree]: Binary Search Tree Iterator
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next() will return the next smallest number in the BST. Note: next()...
分类:其他好文   时间:2015-03-03 01:12:50    阅读次数:227
[总结] 平衡树总结
1. treap 众所周知, treap = tree + heap 也就是 treap 是具有堆性质的平衡二叉树(BST), 而堆性质的维护就靠一个随机值和旋转操作. 可以是小根堆也可以是大根堆. 在代码实现上, 左旋和右旋有太多的相似处, 可以用一个带旋转方向参数的 rotate 操作来完成. 模板...
分类:其他好文   时间:2015-02-28 14:34:03    阅读次数:152
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