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107. Binary Tree Level Order Traversal II
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). ...
分类:其他好文   时间:2016-06-19 01:22:03    阅读次数:169
129. Sum Root to Leaf Numbers
基本的dfs ...
分类:其他好文   时间:2016-06-16 06:51:54    阅读次数:139
LeetCode:Sum Root to Leaf Numbers
Sum Root to Leaf Numbers Total Accepted: 78569 Total Submissions: 237646 Difficulty: Medium Given a binary tree containing digits from 0-9 only, each root-to-leaf path coul...
分类:其他好文   时间:2016-06-12 01:56:56    阅读次数:147
[LeetCode129]Sum Root to Leaf Numbers
题目: 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  ...
分类:其他好文   时间:2016-06-09 21:04:44    阅读次数:161
[LintCode] Binary Tree Paths 二叉树路径
Given a binary tree, return all root-to-leaf paths.ExampleGiven the following binary tree: 1 / \2 3 \ 5All root-to-leaf paths are:[ "1->2->5", "1->3"] ...
分类:其他好文   时间:2016-06-06 06:51:39    阅读次数:193
Leetcode 107 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 ...
分类:其他好文   时间:2016-06-01 18:12:00    阅读次数:187
java设计模式之组合模式
将对象组合成树形结构以表示“部分-整体”的层次结构。 组合模式使得用户对单个对象和组合对象的使用具有唯一性 涉及角色: 1.Component 是组合中的对象声明接口,在适当的情况下,实现所有类共有接口的默认行为。声明一个接口用于访问和管理Component子部件。 2.Leaf 在组合中表示叶子结点对象,叶子结点没有子结点。 3.Composite 定义有枝...
分类:编程语言   时间:2016-05-26 14:47:32    阅读次数:227
边双联通问题求解(构造边双连通图)POJ3352(Road Construction)
题目链接:传送门 题目大意:给你一副无向图,问至少加多少条边使图成为边双联通图 题目思路:tarjan算法加缩点,缩点后求出度数为1的叶子节点个数,需要加边数为(leaf+1)/2 ...
分类:移动开发   时间:2016-05-24 20:41:48    阅读次数:368
[nodejs] Error: unable to verify the first certificate
Error: unable to verify the first certificate Solution UNABLE_TO_VERIFY_LEAF_SIGNATURE ...
分类:Web程序   时间:2016-05-23 13:08:56    阅读次数:1601
【LeetCode】257. Binary Tree Paths 解题报告
转载请注明出处:http://blog.csdn.net/crazy1235/article/details/51471280Subject 出处:https://leetcode.com/problems/binary-tree-paths/ Given a binary tree, return all root-to-leaf paths.For example, given the fo...
分类:其他好文   时间:2016-05-22 12:12:55    阅读次数:204
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