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设计模式--组合模式C++实现
组合模式C++实现 1定义 将对象组合成树形结构以表示“部分-整体”的层次结构,使得用户对单个对象和组合对象的使用具有一致性 2类图 角色分析 Component抽象构建角色 定义参加组合独享的共同方法和属性,可以定义一些默认的行为或者属性 Leaf叶子结构,旗下没有分支,是最小的遍历单位 Comp ...
分类:编程语言   时间:2016-03-28 17:02:12    阅读次数:185
LeetCode Binary Tree Paths
Given a binary tree, return all root-to-leaf paths. For example, given the following binary tree: All root-to-leaf paths are: ...
分类:其他好文   时间:2016-03-27 07:07:34    阅读次数:133
从底向上层次遍历二叉树
题目原型: 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) ...
分类:其他好文   时间:2016-03-24 13:05:02    阅读次数:137
[leetcode]Path Sum II
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example: Given the below binary tree and sum = 22, 5 / \...
分类:其他好文   时间:2016-03-22 20:42:09    阅读次数:221
[leetcode]Path Sum II
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example: Given the below binary tree and sum = 22, 5 / \...
分类:其他好文   时间:2016-03-22 17:30:07    阅读次数:167
Leet Code OJ 107. Binary Tree Level Order Traversal II [Difficulty: Easy]
题目: 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:2016-03-18 00:29:35    阅读次数:131
Path Sum的变体
早上看到一个面经题跟Path Sum很像, 给一个TreeNode root和一个target,找到一条从根节点到leaf的路径,其中每个节点和等于target。 与Path Sum不同是, Path Sum要求返回boolean,这道稍作改动返回路径。原理都一样
分类:其他好文   时间:2016-03-17 07:06:43    阅读次数:113
Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. F
分类:其他好文   时间:2016-03-15 23:16:23    阅读次数:187
lintcode-medium-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). Give
分类:其他好文   时间:2016-03-14 18:34:10    阅读次数:147
uva 558 tree(不忍吐槽的题目名)——yhx
You are to determine the value of the leaf node in a given binary tree that is the terminal node of a path of least value from the root of the binary
分类:其他好文   时间:2016-03-11 00:55:28    阅读次数:288
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