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-balan
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 subtrees of every node never differ by more than 1. Example: Given th...
Leetcode Convert Sorted List to BST Bottom-up 较难的题目1. 和 google code jam 分数那题差不多, 需要用到 &1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 TreeNode* buildTree(ListNode* &head, int st, int ed) {...
treeHead.right=self.sortedListToBST(middle.next)returntreeHead Code: #Definition for singly-linked list.#class ListNode:#def __init__(self, val=0, next=None):#self.val = val#self.next = next#Definition for a binary tree node.#class TreeNode:#def __init__(self, val=0, left=None,...
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LeetCode 109 Convert Sorted List to Binary Search Tree 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 subtrees ofevery...
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 分析 将链表转化为平衡的二叉排序树,可以用上一题的思路,将中间的点作为根节点,左边的为左子树,右边的为右子树。依次递归即可。由于链表统计长度比较麻烦,先转化为数组即可。
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。。
426. Convert Binary Search Tree to Sorted Doubly Linked List 方法1: inorder traversal 易错点 Convert a BST to a sorted circular doubly-linked list in-place. Think of the left and right pointers as synonymo... 查看原文 LeetCode 426. Convert Binary Search Tree to Sorted Doubly Linked List-...
Convert Sorted List to Binary Search Tree 题目描述题目难度:Medium 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 LeetCode—108. Convert Sorted Array to ...