105. Construct Binary Tree from Preorder and Inorder Traversal——tree

題目分析：根據前序和中序遍歷結果，生成二叉樹，關鍵是找到中間的節點。 from collections import deque class Solution: def buildTree(self, preorder, inorder): """ :type preorder: List[int] :type inorder: List[i

>>阅读原文<<