Construct Binary Tree from Preorder and Inorder Traversal

时间 2020-01-13

标签 construct binary tree preorder inorder traversal 繁體版

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题目要求给出前序和中序二叉树遍历结果，重建二叉树。树的节点值不存在冗余。html 解法是给出目前处理的前序和中序的起始和结束的index。前序的第一个值为根节点的值，根据这个值在中序中查找index，从而在中序中划分左子树和右子树的遍历，递归求解，直至只有一个节点。注意为了进行中序遍历的高效查找，预先把值存入hashmap之中，python的实现为dict.node class Solution(

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1. 105. Construct Binary Tree from Preorder and Inorder Traversal——tree
2. Construct Binary Tree from Preorder and Inorder Traversal
3. [LeetCode]Construct Binary Tree from Preorder and Inorder Traversal
4. construct-binary-tree-from-preorder-and-inorder-traversal
5. Leetcode 105. Construct Binary Tree from Preorder and Inorder Traversal
6. leetcode -- 105. Construct Binary Tree from Preorder and Inorder Traversal
7. 105. Construct Binary Tree from Preorder and Inorder Traversal
8. [LeetCode]*105.Construct Binary Tree from Preorder and Inorder Traversal
9. LeetCode—105. Construct Binary Tree from Preorder and Inorder Traversal
10. [LeetCode]*106.Construct Binary Tree from Inorder and Postorder Traversal
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1. 105. Construct Binary Tree from Preorder and Inorder Traversal——tree
2. Construct Binary Tree from Preorder and Inorder Traversal
3. [LeetCode]Construct Binary Tree from Preorder and Inorder Traversal
4. construct-binary-tree-from-preorder-and-inorder-traversal
5. Leetcode 105. Construct Binary Tree from Preorder and Inorder Traversal
6. leetcode -- 105. Construct Binary Tree from Preorder and Inorder Traversal
7. 105. Construct Binary Tree from Preorder and Inorder Traversal
8. [LeetCode]*105.Construct Binary Tree from Preorder and Inorder Traversal
9. LeetCode—105. Construct Binary Tree from Preorder and Inorder Traversal
10. [LeetCode]*106.Construct Binary Tree from Inorder and Postorder Traversal

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