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【Leetcode】Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For example: Given binary tree {3,9,20,#,#,15,7}, ...
分类:其他好文   时间:2014-06-15 15:17:43    阅读次数:192
LeetCode:Sum Root to Leaf Numbers
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. F...
分类:其他好文   时间:2014-06-15 14:51:02    阅读次数:167
Easyui 异步树直接全部展开
初始化异步树直接全部展开代码: $(function(){ $('#tt').tree({ url:'/treeInit', lines:true, onLoadSuccess:function(node,data){ var t = $(this); if(data){ $(data).each(f...
分类:其他好文   时间:2014-06-15 13:30:02    阅读次数:242
【Leetcode】Binary Tree Level Order Traversal
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example: Given binary tree {3,9,20,#,#,15,7}, 3 / 9 20 ...
分类:其他好文   时间:2014-06-15 13:26:54    阅读次数:200
URAL_1018 Binary Apple Tree 树形DP+背包
这个题目给定一棵树,以及树的每个树枝的苹果数量,要求在保留K个树枝的情况下最多能保留多少个苹果一看就觉得是个树形DP,然后想出 dp[i][j]来表示第i个节点保留j个树枝的最大苹果数,但是在树形过程中,有点难表示转移后来看了下大神的做法才知道其实可以用背包来模拟 树枝的去留,其实真的是个背包诶,每...
分类:移动开发   时间:2014-06-15 07:48:55    阅读次数:244
leetcode - Same Tree
题目:Same TreeGiven two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally ...
分类:其他好文   时间:2014-06-15 00:53:09    阅读次数:314
[Leetcode] Binary Tree Maximum Path Sum
Question:Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree, .....
分类:其他好文   时间:2014-06-14 20:59:07    阅读次数:188
Leetcode:Binary Tree Zigzag Level Order Traversal
Description:Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next ...
分类:其他好文   时间:2014-06-14 18:41:40    阅读次数:265
[LeetCode] Flatten Binary Tree to Linked List
1 迭代,重要关系 p->right = s.top(); 1 class flat{ 2 public: 3 void flatten(TreeNode* root) { 4 if (root == NULL) return; 5 ...
分类:其他好文   时间:2014-06-14 16:50:41    阅读次数:172
leetcode -day29 Binary Tree Inorder Traversal & Restore IP Addresses
1、 ?? Binary Tree Inorder Traversal Given a binary tree, return the inorder traversal of its nodes' values. For example: Given binary tree {1,#,2,3}, 1 2 / 3 return ...
分类:其他好文   时间:2014-06-14 14:11:27    阅读次数:315
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