原题地址:http://oj.leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ 题意:将一个排序好的数组转换为一颗二叉查找树,这颗二叉查找树要求是平衡的。 解题思路:由于要求二叉查找树是平衡的。所以我们可以选在数 ...
题目: Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 题解: 先复习下什么是二叉搜索树 引自Wikipedia : 二叉查找树 Binary Search Tree ,也称有序二叉树 ordered binary tree ,排序二叉树 sorte ...
2014-07-31 02:28 0 3058 推荐指数:
原题地址:http://oj.leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ 题意:将一个排序好的数组转换为一颗二叉查找树,这颗二叉查找树要求是平衡的。 解题思路:由于要求二叉查找树是平衡的。所以我们可以选在数 ...
题目: Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 题解: 之前做过一道是从sorted array转换 ...
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 这题的关键是能找出当前链表的中间节点,然后再递归左右的子链表,开始的时候程序 ...
原题地址:http://oj.leetcode.com/problems/convert-sorted-list-to-binary-search-tree/ 题意:将一条排序好的链表转换为二叉查找树,二叉查找树需要平衡。 解题思路:两个思路:一,可以使用快慢指针来找到中间的那个节点 ...
Given an array where elements are sorted in ascending order, convert it to a height balanced BST. For this problem, a height-balanced binary tree ...
看起来很难,但是仔细想一下,实质就是二叉树的中序遍历的问题,中序遍历有递归和非递归(至少两种写法)。 递归: 非递归 Divide a ...
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. For this problem, a height-balanced ...
题目: Follow up for "Search in Rotated Sorted Array": What if duplicates are allowed? Would this affect the run-time complexity? How and why? Write ...