原題地址：http://oj.leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/ 題意：根據二叉樹的中序遍歷和后序遍歷恢復二叉樹。 解題思路：看到樹首先想到要用遞歸來解題。以這道題為 ...

Given inorder and postorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree ...

從前序中序遍歷來重構二叉樹 經典題,從期末考試到考研什么的應該都有 前序遍歷第一個肯定是root 在inorder里面去找root 左邊的是leftsubtree , 右邊的是rightsubtree 然后preorder除去order,后面lifetsubtree.size ...

Given preorder and inorder traversal of a tree, construct the binary tree. You may assume that duplicates do not exist ...

題目： Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. 題解 ...

Given a binary tree, return the postorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3 ...

Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 非遞歸版本： 用一個棧來模擬遞歸的情況， 首先思考inorder ...

Given preorder and inorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree ...