题目描述: Given a binary tree, return the preorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [1,2,3]. 解题思路
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2016-03-08 00:31:58
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bool isValidSerialization(string preorder) { int len = preorder.size(); vector temp; bool flag = true; for (int i = 0; i 1 && temp[sz - 1] == '#'&&tem...
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2016-03-06 15:37:22
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二叉树的前序遍历(144. Binary Tree Preorder Traversal) 递归 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6
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2016-03-05 21:47:29
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Question: Given preorder and inorder traversal of a tree, construct the binary tree. Note:You may assume that duplicates do not exist in the tree. Ana
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2016-03-02 18:10:08
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Given a binary tree, return the preorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, return [1,2,3]. 解题思路: 题目很简单,就是求一个二叉
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2016-03-02 17:45:10
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前序遍历 递归: 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6 * TreeNode *right; 7 * TreeNode(int x)
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2016-03-01 22:31:17
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144. Binary Tree Preorder Traversal
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Given a binary tree, return the preorder traversal o...
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2016-02-24 09:49:00
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Given a binary tree, return the preorder traversal of its nodes' values. Example Given: 1 / \ 2 3 / \ 4 5 return [1,2,4,5,3]. Challenge Can you do it
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2016-02-21 18:25:22
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