https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/ 题目: Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 思路: 简单起见,先把链表值存到数组中,用数组递归感觉会简单点。。 算法: public int getListLength(ListNod...
C++版本可以参见张磊哥哥的解答喔:) http://fisherlei.blogspot.com/2013/01/leetcode-convert-sorted-list-to-binary.html View Code SOLUTION 3: 这个解法使用一个instance variable 来记录当前正在操作的List Node. DFS本身的效果是,从head直到尾部建树,并且将currNode移动到size+1处。 这样可以在1次iterator 我...
题目链接:https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ 题目: Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 思路: 新建一个结点保存mid值,该结点的左右子树也递归生成,这是个常用的模板 算法: public TreeNode sortedArra...
node.left = sortedListToBST(head); node.right = sortedListToBST(tmp.next); return node; } } 这种接法巧妙的点是如何找到中点,和递归的时候如何切断中点与前后两个linkedlist的链接的。标签: LinkedList , LeetCode , dfs , Binary Search Tree 好文要顶 关注我 收藏该文 微信分享 IncredibleThings ...
https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 分析: Input:So we're given a sorted array in ascending order. ...
1017 Convert to Base -2 负二进制转换 Description:Given an integer n, return a binary string r...
Code Testcase Test Result Test Result Given theheadof a singly linked list where elements are sorted inascending order, convertit to a height-balanced binary search tree. Example 1: Input:head = [-10,-3,0,5,9]Output:[0,-3,9,-10,null,5]Explanation:One possible answer is [0,-3,9...
Can you solve this real interview question? Convert Sorted Array to Binary Search Tree - Given an integer array nums where the elements are sorted in ascending order, convert it to a height-balanced binary search tree. Example 1: [https://assets.lee
108. Convert Sorted Array to Binary Search Tree 将有序数组转换为二叉搜索树 算法:递归调用 面试准备系列,注重培养互联网大厂的面试能力,注重编程思路,coding限时,代码规范,想要求职,转行或者跳槽的朋友们别忘了一键三连一下,新人up主需要你宝贵的支持哟~ ...
LeetCode 109. Convert Sorted List to Binary Search Tree Description 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 binary tree is defined as a binary tree in which the depth of the two subtr...