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112. 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:2017-08-25 00:04:49    阅读次数:114
[090626]痕 ~きずあと~【日文硬盘版】[痕+雫&Origin][全CG存档&攻略=日本语启动+打开存档补丁]
开发: Leaf、アクアプラス 剧本: 高橋龍也 平台: PC 发行日期: 1996年7月26日 2009-06-26重制版 发行: Leaf 【故事简单介绍】: 一个月前,异地居住的父亲由于事故而去世了。 法事总算是赶在大学暑假结束前做完了。主人公取消了之前所预定好的旅行,回到了乡下老家。 自幼而 ...
分类:其他好文   时间:2017-08-19 21:12:44    阅读次数:329
树——sum-root-to-leaf-numbers(根到叶节点数字之和)
问题: Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number. An example is the root-to-leaf path1->2->3whic ...
分类:其他好文   时间:2017-08-18 14:31:04    阅读次数:209
#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 whic ...
分类:其他好文   时间:2017-08-16 20:20:18    阅读次数:216
[GeeksForGeeks] Write a program to delete a tree
Write a program to delete a tree. Solution. To delete all tree nodes, we need to set all non-leaf nodes' children nodes to null. So for a given non-le ...
分类:其他好文   时间:2017-08-16 11:34:21    阅读次数:164
112. Path Sum 113. Path Sum II
回溯法的典型 1、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 giv ...
分类:其他好文   时间:2017-08-09 11:25:11    阅读次数:153
DFS——hdu5682zxa and leaf
一、题目回顾 题目链接:zxa and leaf Problem Description zxa have an unrooted tree with n nodes, including (n?1) undirected edges, whose nodes are numbered from 1 ...
分类:其他好文   时间:2017-08-09 09:58:50    阅读次数:220
129. Sum Root to Leaf Numbers
递归的题分为考察: 分治? 先序? 中序? 先序输入值? 全局辅助值? 全局结果值? 分治法(后序遍历), 先序输入值, 后序结果值 + 叶结点(叶结点也要操作 sum * 10 类似 513. Find Bottom Left Tree Value中的deep ) 这是一道树的题目,一般使用递归来 ...
分类:其他好文   时间:2017-08-06 23:13:55    阅读次数:346
156. Binary Tree Upside Down
https://leetcode.com/problems/binary-tree-upside-down/description/ Given a binary tree where all the right nodes are either leaf nodes with a sibling ...
分类:其他好文   时间:2017-08-06 14:17:01    阅读次数:275
Mendel's First Law
Problem Figure 2. The probability of any outcome (leaf) in a probability tree diagram is given by the product of probabilities from the start of the t ...
分类:其他好文   时间:2017-08-01 20:55:30    阅读次数:167
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